- P-51 Mustang
name = P-51 Mustang
type = Fighter
North American Aviation
caption = North American P-51 Mustangs of the 375th Fighter Squadron, 361st FG, summer 1944
first flight =
26 October 1940
retired =1957, U.S. Air National Guard
number built =15,875
unit cost =US$50,985 in 1945Knaack 1978.]
primary user =
United States Army Air Forces
more users =
Royal Air Force, numerous others (see below)
developed from =
variants with their own articles = A-36 Apache
F-82 Twin Mustang Cavalier Mustang Piper PA-48 Enforcer Mustang X
The P-51 flew most of its wartime missions as a bomber escort in raids over
Germany, helping ensure Allied air superiorityfrom early 1944. It also saw limited service against the Japanese in the Pacific War. The Mustang began the Korean Waras the United Nations' main fighter, but was relegated to a ground attack role when superseded by jet fighters early in the conflict. Nevertheless, it remained in service with some air forces until the early 1980s.
As well as being economical to produce, the Mustang was a fast, well-made, and highly durable aircraft. The definitive version, the P-51D, was powered by the
PackardV-1650-7, a two-stage two-speed supercharged 12-cylinder Packard-built version of the legendary Rolls-Royce Merlinengine, and was armed with six .50 caliber (12.7 mm) Browning M2/AN machine guns, a version of the Browning adapted for use in combat aircraft.
After World War II and the Korean conflict, many Mustangs were converted for civilian use, especially
air racing. The Mustang's reputation was such that, in the mid-1960s, Ford Motor Company's Designer John Najjar proposed the name for a new youth-oriented coupe after the fighter. [Leffingwell 2003, p. 43. Note: Najjar was an aviation enthusiast who saw the sleek lines of the original Ford Mustang Iconcept car as similar to that of the P-51 Mustang. After public relations and the legal department vetted the project name (they particularly liked the connection to the wild horse of the same name), the name continued onto the Mustang II showcar and later was applied to the production version of the Ford Mustang.]
In 1939, shortly after World War II began, the British government established a purchasing commission in the United States, headed by Sir
Henry Self. Along with Sir Wilfrid Freeman, who, as the "Air Member for Development and Production", was given overall responsibility for Royal Air Force(RAF) production and research and development in 1938, Self had sat on the (British) Air Council Sub-committee on Supply (or "Supply Committee"), and one of Self's many tasks was to organize the manufacture of American fighter aircraft for the RAF. At the time the choice was very limited: none of the U.S. aircraft already flying met European standards; only the Curtiss Tomahawk came close. The Curtiss plant was running at capacity, so even that aircraft was in short supply. North American Aviation(NAA) was already supplying their Harvard trainer to the RAF, but were otherwise underutilized. NAA President "Dutch" Kindelberger approached Self to sell a new medium bomber, the B-25 Mitchell. Instead, Self asked if NAA could manufacture the Tomahawk under license from Curtiss.
Kindelberger replied that NAA could have a better aircraft with the same engine in the air in less time than it would take to set up a production line for the P-40. By now the executive head of the British
Ministry of Aircraft Production(MAP), Freeman ordered 320 aircraft in March 1940. On 26 June 1940, MAP awarded a contract to Packardto build modified versions of the Rolls-Royce Merlinengines under licence; in September, MAP increased the first production order by 300. [Furse 1999 ]
Design and development
The result of the MAP order was the NA-73X project (from March 1940). The design followed the best conventional practice of the era, but included two new features. One was a new NACA-designed
laminar flowwing, which was associated with very low drag at high speeds. [ [http://www.ae.uiuc.edu/m-selig/ads/afplots/p51droot.gifP-51D wingroot section] [http://www.ae.uiuc.edu/m-selig/ads/afplots/p51dtip.gifP-51D wingtip section] Retrieved: 22 March 2008] [ [http://yarchive.net/mil/laminar_flow.html Discussion of laminar flow on P-51 wing] Retrieved: 4 July 2008] Another was the use of a new radiator design (one Curtiss had been unable to make work) that used the heated air exiting the radiator as a form of jet thrustin what is referred to as the " Meredith Effect". Because North American lacked a suitable wind tunnel, it used the GALCIT 10-foot wind tunnel at Cal Tech. This led to some controversy over whether the Mustang's cooling system aerodynamics were developed by North American's engineer Edgar Schmuedor by Curtiss, although historians and researchers dismiss the allegation of stolen technology; such claims are likely moot in any event, as North American had purchased Curtiss’ complete set of P-40 and XP-46 wind tunnel data and flight test reports for US$56,000. [Yenne 1989, p. 49.]
United States Army Air Corpscould block any sales it considered detrimental or not in the interest of the United States, the NA-73 represented a special case. In order to ensure deliveries were uninterrupted, an arrangement was eventually reached where the RAF would get its aircraft in exchange for NAA providing two free examples to the USAAC for evaluation.
The prototype NA-73X was rolled out just 117 days after the order was placed, and first flew on
26 October 1940, just 178 days after the order had been placed — an incredibly short gestation period. In general the prototype handled well and the internal arrangement allowed for an impressive fuel load. It was armed with four .30 caliber Browning (7.62 mm) and two .50 M2 Browning (12.7 mm) machineguns in the wings and two .50 M2s in the chin.
It was quickly evident that performance, although exceptional up to 15,000 feet, was markedly reduced at higher altitudes. This deficiency was due largely to the single speed, single stage
superchargerof the Allison V-1710engine, where power diminished rapidly above the critical altitude rating. Prior to the Mustang project, the USAAC had Allison concentrate primarily on turbochargers in concert with General Electric; these proved to be exceptional in the P-38 Lightningand other high-altitude aircraft, in particular, the Air Corp's four-engine bombers. Most of the other uses for the Allison were for low-altitude designs, where a simpler supercharger would suffice. The turbocharger proved impractical in the Mustang, and it was forced to use the inadequate supercharger available. Still, the Mustang's advanced aerodynamics showed to advantage, as the Mustang I was about 30 mph faster than contemporary Curtiss P-40fighters, using the same powerplant (the V-1710-39 producing 1,220 HP at 10,500 ft, driving a 10 foot 6 inch diameter, three-blade Curtiss-Electric propeller). [Gruenhagan 1980, pp. 178, 180–181.] The Mustang I was 30 mph faster than the Spitfire Mk VC at 5,000 ft and 35 mph faster at 15,000 ft, despite the British aircraft's more powerful engine. [Birch 1987, p. 11.]
The first production contract was awarded by the British for 320 NA-73 fighters, named Mustang I by the British (the name being selected by an anonymous member of the
Purchasing Commission). Two aircraft of this lot delivered to the USAAC for evaluation were designated XP-51. [The Wright Field Flight reports are indexed in the "External Links", P-51 (Allison Engine).] About 20 Mustang Is were delivered to the RAF, making their combat debut on 10 May 1942. With their long range and excellent low-level performance, they were employed effectively for tactical reconnaissance and ground-attack duties over the English Channel, but were thought to be of limited value as fighters due to their poor performance above 15,000 ft.
A second British contract called for 300 more (NA-83) Mustang I fighters. In September 1940, 150 aircraft, designated NA-91 by North American, were ordered under the Lend/Lease program. These were designated by the USAAF as P-51 and initially named Apache, although this was soon dropped and the RAF name, Mustang, adopted instead. The British designated this model as Mustang IA. The Mustang Mk IA was identical to the Mustang Mk I except that the wing-mounted machine guns were removed and replaced with four long-barrelled 20 mm Hispano Mk II cannon.
A number of aircraft from this lot were fitted out by the USAAF as F-6A photo-reconnaissance aircraft. The British would fit a number of Mustang Is with similar equipment. Also, two aircraft of this lot were fitted with Packard-built Merlin engines. [Fitzsimons, Bernard, ed. "Illustrated Encyclopedia of 20th Century Weapons and Warfare" (London: Phoebus 1978), Volume 18, p1954.] [Donald, 1997, p. 701.] These were identified as the Model NA-101 by North American and XP-78 by the USAAF, later redesignated XP-51B.
23 June 1942a contract was placed for 1,200 P-51As (NA-99s), later reduced to 310 aircraft. The P-51A was the first version to be procured as a fighter by the USAAF, and used a new Allison V-1710-81 engine, a development of the -39, driving a 10 foot 9 inch diameter, three bladed Curtiss-Electric propeller. The armament was changed to four wing mounted .50 calibre Browning machine guns, two in each wing, with a maximum of 350 rpg for the inboard guns and 280 rpg for the outboard. Other improvements were made in parallel with the A-36, including an improved, fixed air duct inlet replacing the moveable fitting of previous Mustang models and the fitting of wing racks able to carry either 75 gallon or 150 gallon drop tanks, increasing the maximum ferry range to 2,740 statute miles with the 150 gallon tanks. The top speed was raised to 409 mph at 10,000 feet. Fifty aircraft were shipped to England, serving as Mustang IIs in the RAF. [Gruenhagan, 1980 pp. 66-67, 178, 182, 196.]
At the same time, the USAAC was becoming more interested in ground attack aircraft and had a new version ordered as the A-36 Apache, which included six .50
M2 Browning machine guns, dive brakes and the ability to carry two 500 lb (230 kg) bombs.
In early 1942, the USAAF ordered 500 aircraft modified as dive bombers that were designated A-36A (NA-97). This model became the first USAAF Mustang to see combat. One aircraft was passed to the British who gave it the name Mustang I (Dive Bomber).
P-51B and P-51C
In April 1942, the RAF's
Air Fighting Development Unit(AFDU) tested the Mustang and found its performance inadequate at higher altitudes. As such it was to be used to replace the Tomahawk in Army Cooperation Command squadrons but the commanding officer was so impressed with its manoeuvrability and low-altitude speeds that he invited Ronnie Harker from Rolls Royce's Flight Test establishment to fly it. Rolls-Royce engineers rapidly realized that equipping the Mustang with a Merlin 61 engine with its two speed, two stage supercharger would substantially improve performance and started converting five aircraft as the Mustang X. Apart from the engine installation, which utilised custom built engine bearers designed by Rolls-Royce and a standard 10 ft 9 in diameter, four bladed Rotolpropeller from a Spitfire Mk. IX [Gruenhagen, 1980, pp 81-82] , the Mustang X was a straight-forward adaptation of the Mustang I airframe, keeping the same radiator duct design. The Vice-Chief of the Air Staff, Air Marshal Sir Wilfrid R. Freeman, lobbied vociferously for Merlin-powered Mustangs, insisting two of the five experimental Mustang Xs be handed over to Carl Spaatzfor trials and evaluation by the U.S. 8th Air Force in Britain.Bridgman 1946, p. 248-249.] The high-altitude performance improvement was astonishing: the Mustang X (AM208) reached 433 mph (697 km/h) at 22,000 ft and AL975 tested at an absolute ceiling of 40,600 ft. [ Birch 1987, p.35.]
The XP-51B prototypes were a more thorough adaptation of the airframe, with a tailor made engine installation and a complete redesign of the radiator duct. The airframe itself was strengthened, with the fuselage and engine mount area receiving more formers because of the greater weight of the Packard Merlin V-1650-3, 1,690 lbs compared with the Allison V-1710's 1,335 lbs. The engine cowling was completely redesigned to house the Packard Merlin which, because of the intercooler radiator mounted on the supercharger casing, was 5 inches taller and used an updraught
Forced inductionrather than the downdraught
carburetorof the Allison. The new engine drove a four bladed 11 ft 2 in diameter Hamilton Standardpropeller which featured cuffs of hard molded rubber. A new radiator, supercharger intercooler and oil radiator installation in a new fuselage duct was designed to cater for the increased cooling requirements of the Merlin.
It was decided that the armament of the new, P-51B (NA 102) would be the four .50 Cal Browning M2/AN machine guns (with 350 rpg for the inboard guns and 280 rpg for the outboard) of the P-51A and the bomb rack/external drop tank installation (adapted from the A-36) would also be used; the racks were rated to be able to carry up to 500 lbs of ordnance and were also capable of carrying drop tanks. The weapons were aimed using an N-3B optical gunsight fitted with an A-1 head assembly which allowed it to be used as a gun or bomb sight through varying the angle of the reflector glass.
Pilots were also given the option of having ring and bead sights mounted on the top engine cowling formers. This option was discontinued with the later Ds.Gruenhagen 1980, pp.104-105.] The first XP-51Bs started test flying in December 1942. [Gruenhagen, 1980, pp.72-79, 178, 182-183.] After sustained lobbying at the highest level, American production was started in early 1943 with the B (NA-102) being manufactured at Inglewood, California, and the C (NA-103) at a new plant in Dallas, Texas, which was in operation by summer 1943. [Note: The Inglewood manufactured Bs were given the suffix "NA" (eg P-51B-5NA) while the Dallas manufactured Cs were given the suffix "NT" (eg P-51C-10NT) the P-51Ds used the same suffixes.] The RAF named these models Mustang III. In performance tests, the P-51B reached 441 mph/709.70 km/h (exactly two-thirds supersonic speed at altitude) at 25,000 ft (7.600 m) [ [http://www.spitfireperformance.com/mustang/mustangtest.html P-51B performance data.] Retrieved:
27 July 2008] and the subsequent extended range made possible by the use of drop tanks enabled the Merlin-powered Mustang to be introduced as a bomber escort.
The range would be further increased with the introduction of an 85 gallon self-sealing fuel tank aft of the pilot's seat, starting with the B-5NA series. When this tank was full the c-g of the Mustang was moved dangerously close to the aft limit, as a result of which maneuvers were restricted until the tank was down to about 25 gallons and the external tanks had been dropped. Problems with high-speed "porpoising" of the P-51Bs and Cs with the fuselage tanks would lead to the replacement of the fabric covered elevators with metal covered surfaces and a reduction of the tailplane incidence. [Gruenhagen, 1980, p.91.]
Despite these modifications the P-51 Bs and Cs and the newer Ds and Ks experienced low speed handling problems that could result in an involuntary "snap-roll" under certain conditions of air speed, angle of attack, gross weight and center of gravity. Several crash reports tell of P-51Bs and Cs crashing because horizontal stabilizers were torn off during maneuvering. As a result of these problems a modification kit consisting of a dorsal fin was manufactured. One report stated:
"Unless a dorsal fin is installed on the P-51B, P-51C and P-51D airplanes, a snap roll may result when attempting a slow roll. The horizontal stabilizer will not withstand the effects of a snap roll. To prevent recurrence the stabilizer should be reinforced in accordance with T.O. 01-60J-18 datedThese kits became available in August 1944 and were fitted to Bs and Cs and to Ds and Ks. Also incorporated was a change to the rudder trim tabs, which would help prevent the pilot over-controlling the aircraft and creating heavy loads on the tail unit. [Gruenhagen, 1980, pp.91, 110-111.]
8 April 1944and a dorsal fin should be installed. Dorsal fin kits are being made available to overseas activities"
P-51Bs and Cs started to arrive in England in August and October 1943. The P-51B/C versions were sent to 15 fighter groups that were part of the 8th and 9th Air Forces in
England, and the 12th and 15th in Italy(the southern part of Italy was under Allied control by late 1943). Other deployments included the China Burma India Theater(CBI).
Allied strategists quickly exploited the long-range fighter as a bomber escort. It was largely due to the P-51 that daylight bombing raids deep into German territory became possible without prohibitive bomber losses in late 1943.
A number of the P-51B and P-51C aircraft were fitted for photo reconnaissance and designated F-6C.
P-51D and P-51K
One of the few remaining complaints with the Merlin-powered aircraft was a poor rearward view. This was a common problem in most fighter designs of the era, which had only been recognized by the British after the
Battle of Britainproved the value of an all-around view. In order to improve the view from the Mustang at least partially, the British had field-modified some Mustangs with fishbowl-shaped sliding canopies called "Malcolm Hoods" - much like those on Spitfires. Eventually all Mk IIIs, along with some American P-51B/Cs, were equipped with Malcolm Hoods.
A better solution to the problem was the "teardrop" or "bubble" canopy. Originally developed as part of the
Miles M.20project, these newer canopies were in the process of being adapted to most British designs, eventually appearing on Typhoons, Tempests and later-built Spitfires. North American adapted several NA-106 prototypes with a bubble canopy, cutting away the decking behind the cockpit, resulting in substantially improved vision to the rear. This led to the production P-51D (NA-109), considered the definitive Mustang.
A common misconception is that the cutting down of the rear fuselage to mount the bubble canopy reduced stability requiring the addition of a dorsal fin to the forward base of the vertical tail. In fact, as described, stability problems affected the earlier Bs and Cs, as well as the subsequent D/K models; this was partly attributable to the 85 gallon fuselage fuel tank which had been installed during production of the P-51B-5-NA. [Note:While some existing aircraft do not have the dorsal extension fitted, many were equipped at some point in their service or refurbishment with a taller tail, which provided a similar increase in yaw stability. Also, civilian-owned examples often have newer, lighter radios, an absence of external munitions and drop tanks, removed guns and armor plate and an empty or removed fuselage tank — reducing the need for the dorsal fin.]
Among other modifications, armament was increased with the addition of two M2 machine guns, bringing the total to six. The inner pair of machine guns had 400 rounds each, and the others had 270 rounds, for a total of 1,880. In previous P-51s, the M2s were mounted at an extreme side angle to allow access to the feed chutes from the ammunition trays. This angled mounting had caused problems of congestion and jamming of the ammunition and spent casings and links, leading to frequent complaints of jamming during combat maneuvers. [Gruenhagen, 1980, p.90] The new arrangement allowed the M2s to be mounted upright, remedying most of the jamming problems. The .50 caliber Browning machine guns, although not firing an explosive projectile, had excellent ballistics and proved adequate against the
Fw 190and Bf 109fighters that were the main USAAF opponents at the time. The wing racks fitted to the P-51D/K series were strengthened and were able to carry up to 1,000 lb of ordnance. Later models had under-wing rocket pylons added to carry up to ten rockets per plane.
The gunsight was changed from the N-3B to the N-9 [ [http://www.zenoswarbirdvideos.com/Images/P-51/P-51GCN9.gifN-9 sight in P-51D] Retrieved:
28 July 2008] before the introduction in September 1944 of the K-14B gyro-computing sight. [ [http://www.429sqn.ca/acmgs.htm Gunsights of WW II] Retrieved: 28 July 2008]
Alterations to the undercarriage up-locks and inner-door retracting mechanisms meant that there was a change to the shape of the inner wing leading edge, which was raked forward slightly, increasing the wing area and creating a distinctive "kink" in the leading edges of the wings. [ [http://www.warbirdinformationexchange.org/phpBB2/viewtopic.php?t=22220&highlight=&sid=329f8f0c2ad6cb29a3e7cf5275bd82b6 Comparison of P-51B/C and P-51D/K undercarriages] Retrieved:
4 July 2008] The P-51D became the most widely produced variant of the Mustang. A Dallas-built version of the P-51D, designated the P-51K, was equipped with an Aeroproducts propeller in place of the Hamilton Standardpropeller, as well as a larger, differently configured canopy and other minor alterations (the vent panel was different). The hollow-bladed Aeroproducts propeller was unreliable with dangerous vibrations at full throttle due to manufacturing problems and was eventually replaced by the Hamilton Standard. By the time of the Korean war most F-51s were equipped with "uncuffed" Hamilton Standardpropellers with wider, blunt tipped blades. The photo reconnaissance versions of the P-51D and P-51K were designated F-6D and F-6K respectively. The RAF assigned the name Mustang IV to the D model and Mustang IVA to K models.
The P-51D/K started arriving in Europe in mid-1944 and quickly became the primary USAAF fighter in the theater. It was produced in larger numbers than any other Mustang variant. Nevertheless, by the end of the war, roughly half of all operational Mustangs were still B or C models.
Concern over the USAAF's inability to escort B-29s all the way to mainland Japan resulted in the highly classified "Seahorse" project. In late 1944 naval aviator (and later test pilot) Bob Elder flew carrier suitability trials with a modified P-51D. The project was canceled after U.S. Marines secured the Japanese island of Iwo Jima and its airfields, making it possible for standard P-51D models to accompany B-29s all the way to the Japanese home islands and back. [Kaplan 2001. p. 51.] [Note: A brief description of this "navalized" P-51D is included under "Experimental Mustangs".]
During 1945–48, P-51Ds were also built under licence in
Australiaby the Commonwealth Aircraft Corporation.
The "lightweight" Mustangs
XP-51F, XP-51G and XP-51J
The USAAF required airframes built to their acceleration standard of 8.33 g (82 m/s²), a higher load factor than that used by the British standard of 5.33 g (52 m/s²) for their fighters. Reducing the load factor to 5.33 would allow weight to be removed, and both the USAAF and the RAF were interested in the potential performance boost.
A subtle change made in the lightweight Mustangs was the use of an improved NACA 66 series airfoil and a slightly thinner wing than that used by earlier Mustangs. [ [http://www.ae.uiuc.edu/m-selig/ads/afplots/p51hroot.gifP-51H root section] [http://www.ae.uiuc.edu/m-selig/ads/afplots/p51htip.gifP-51H tip section] Retrieved:
22 March 2008]
In 1943, North American submitted a proposal to re-design the P-51D as model NA-105, which was accepted by the USAAF. Modifications included changes to the cowling, a simplified undercarriage with smaller wheels and disc brakes, and a larger canopy. The designation XP-51F was assigned to prototypes powered with V-1650 engines (a small number of XP-51Fs were passed to the British as the Mustang V) and XP-51G to those with reverse lend/lease Merlin RM 14 SM engines. [Gruenhagen 1980,p.185]
A third lightweight prototype powered by an Allison V-1710-119 engine was added to the development program. This aircraft was designated XP-51J. Since the engine was insufficiently developed, the XP-51J was loaned to Allison for engine development. None of these experimental "lightweights" went into production. [Gruenhagen 1980, pp.117-125, 185-187.]
The P-51H (NA-126) was the final production Mustang, embodying the experience gained in the development of the XP-51F and XP-51G aircraft. This aircraft, with minor differences as the NA-129, came too late to participate in World War II, but it brought the development of the Mustang to a peak as one of the fastest production piston engine fighters to see service.
The P-51H used the new
V-1650-9 engine, a version of the Merlin that included Simmons automatic supercharger boost control with water injection, allowing War Emergency Power as high as 2218 hp (1,500 kW). Differences between the P-51D included lengthening the fuselage and increasing the height of the tailfin, which greatly reduced the tendency to yaw. The canopy resembled the P-51D style, over a somewhat raised pilot's position. Service access to the guns and ammunition was also improved. With the new airframe several hundred pounds lighter, the extra power and a more streamlined radiator, the P-51H was among the fastest propeller fighters ever, able to reach 487 mph (784 km/h or Mach 0.74) at 25,000 ft (7,600 m).
The P-51H was designed to complement the P-47N as the primary aircraft for the invasion of
Japanwith 2,000 ordered to be manufactured at Inglewood. Production was just ramping up with 555 delivered when the war ended. Production serial numbers:
* P-51H-1-NA 44-64160 – 44-64179
* P-51H-5-NA 44-64180 – 44-64459
* P-51H-10-NA 44-64460 – 44-64714
Additional orders, already on the books, were cancelled. With the cutback in production, the variants of the P-51H with different versions of the Merlin engine were produced in either limited numbers or terminated. These included the P-51L, similar to the P-51H but utilizing the 2270 horsepower V-1650-11 Merlin engine, which was never built; and its Dallas-built version, the P-51M or NA-124 which utilized the V-1650-9A Merlin engine lacking water injection and therefore rated for lower maximum power, of which one was built out of the original 1629 ordered, serial number 45-11743.
Although some P-51Hs were issued to operational units, none saw combat in World War II, and in postwar service, most were issued to reserve units. One aircraft was provided to the RAF for testing and evaluation. Serial number 44-64192 was designated BuNo 09064 and used by the U.S. Navy to test
transonicairfoil designs, then returned to the Air National Guard in 1952. The P-51H was not used for combat in the Korean Wardespite its improved handling characteristics, since the P-51D was available in much larger numbers and was a proven commodity.
Many of the aerodynamic advances of the P-51 (including the laminar flow wing) were carried over to North American's next generation of jet-powered fighters, the Navy
FJ Furyand Air Force F-86 Sabre. The wings, empennage and canopy of the first straight-winged variant of the Fury (the FJ-1) and the unbuilt preliminary prototypes of the P-86/F-86 strongly resembled those of the Mustang before the aircraft were modified with swept-wing designs.
In early 1944 the first P-51A-1NA "43-6003" was fitted and tested with a lightweight retractable ski kit replacing the wheels. This conversion was made in response to a perceived requirement for aircraft which would operate away from prepared airstrips. The main oleo leg fairings were retained, but the main wheel doors and tail wheel doors were removed for the tests. When the undercarriage was retracted the main gear skis were housed in the space in the lower engine compartment made available by the removal of the fuselage .50 cal Brownings from the P-51As. The entire installation added 390 lbs to the aircraft weight and required that the operating pressure of the hydraulic system had to be increased from 1,000 psi to 1,200 psi. Flight tests showed that ground handling was good and the Mustang could take-off and land in a field length of 1,000 feet; the maximum speed was 18 mph lower, although it was thought that fairings over the retracted skis would compensate. [Grunehagen 1980,pp.128-129]
15 November 1944a navalized P-51D-5NA "414017" started flight tests from the deck of the carrier " USS Shangri-La (CV-38)". This Mustang had been fitted with an arrestor hook which was attached to a reinforced bulkhead behind the tail wheel opening; the hook was housed in a streamlined position under the rudder fairing and could be released from the cockpit. The tests showed that the Mustang could be flown off the carrier deck without the aid of a catapult, using a flap setting of 20 degrees down and 5 degrees of up elevator. Landings were found to be easy and by allowing the tail wheel to contact the deck before the main gear the aircraft could be stopped in a minimum distance. [Gruenhagen 1980,p.129.]
While North American were concentrating on improving the performance of the P-51 through the development of the "lightweight" Mustangs, in Britain other avenues of development were being pursued. To this end at least two Mustang IIIs (P-51Bs and Cs) "FX858" and "FX901" were fitted with different Merlin engine variants. The first of these, "FX858", was fitted with a Merlin 100 by Rolls-Royce at
Hucknall; this engine was similar to the RM 14 SM fitted to the XP-51G and was capable of generating 2,080 hp (1,551 kW) at 22,800 ft (6,949 m) using a boost pressure of +25 lbs (equivalent to 80" Hg) in "war emergency" setting. With this engine "FX858" reached a maximum speed of 453 mph (729 km/h) at 18,000 ft (5,486 m), and this could be maintained to 25,000 ft (7,620 m). The climb rate was 4,160 ft/min (21.13 m/sec) at 14,000 ft (4,267).
"FX901" was fitted with a Merlin 113 (also used in the de Havilland Mosquito B. Mk 35). This engine was similar to the 100 but it was fitted with a supercharger rated for higher altitudes. "FX901" was capable of 454 mph (730 km/h) at 30,000 ft (9,144 m) and 414 mph at 40,000 ft (12,192 m). [Gruenhagen 1980,pp.130-131, 185, 192.]
U.S. operational service
Casablanca Conference, the Allies formulated the Combined Bomber Offensive(CBO) plan for "round-the-clock" bombing by the RAF at night and the USAAF by day. American pre-war bombardment doctrine held that large formations of heavy bombers flying at high altitudes would be able to defend themselves against enemy interceptors with minimal fighter escort, so that precision daylight bombing using the Norden bombsightwould be effective.
Both the RAF and Luftwaffe had attempted daylight bombing and discontinued it, believing advancements in single-engine fighters made multi-engined bombers too vulnerable, contrary to
Giulio Douhet's thesis. The RAF had worried about this in the mid-1930s and had decided to produce an all night-bomber force, but initially began bombing operations by day. The Germans used extensive daylight bombing during the Battle of Britainin preparation for a possible invasion. Due to the high casualty rates, the Luftwaffe soon switched to night bombing (see The Blitz). Bomber Command followed suit in its raids over Germany.
Initial USAAF efforts were inconclusive because of the limited scale. In June 1943, the Combined Chiefs of Staff issued the
Pointblank Directiveto destroy the Luftwaffe before the invasion of Europe, putting the CBO into full implementation. The Eighth Air Forceheavy bomber force conducted a series of deep penetration raids into Germany beyond the range of available escort fighters. German fighter reaction was fierce and bomber losses were severe — 20 percent in an October 14 attack on the German ball-bearing industry. This made it costly to continue such long-range raids without adequate fighter escort.
P-38 Lightninghad the range to escort the bombers, but was available in very limited numbers in the European theater due to its Allison engines proving difficult to maintain. With the extensive use of the P-38 in the Pacific Theater of Operations, where its twin engines were deemed vital to long-range "over-water" operations, nearly all European-based P-38 units converted to the P-51 in 1944. The Republic P-47 Thunderboltwas capable of meeting the Luftwaffe on more than even terms, but did not at the time have sufficient range. The Mustang changed all that. In general terms, the Mustang was at least as simple as other aircraft of its era. It used a single, well-understood, reliable engine, and had internal space for a huge fuel load. With external fuel tanks, it could accompany the bombers all the way to Germany and back.
Enough P-51s became available to the 8th and
9th Air Forces in the winter of 1943-44, and when the Pointblank offensive resumed in early 1944, matters changed dramatically. The P-51 proved perfect for the task of escorting bombers all the way to the deepest targets, thus complementing the more numerous P-47s until sufficient Mustangs became available. The Eighth Air Force immediately began to switch its fighter groups to the Mustang, first exchanging arriving P-47 groups for those of the Ninth Air Force using P-51s, then gradually converted its Thunderbolt and Lightning groups until by the end of the year 14 of its 15 groups flew the Mustang. [Dean, 1997 p.338] Luftwaffepilots attempted to avoid U.S. fighters by massing in huge numbers well in front of the bombers, attacking in a single pass, then breaking off the attack, allowing escorting fighters little time to react. While not always successful in avoiding contact with escort (as the tremendous loss of German pilots in the spring of 1944 indicates), the threat of mass attacks, and later the "company front" (eight abreast) assaults by armored "Sturmgruppe" Fw 190s, brought an urgency to attacking the Luftwaffe wherever it could be found. The P-51, particularly with the advent of the K-14 gunsight and the development of "Clobber Colleges" for the in-theater training of fighter pilots in fall 1944, was a decisive element in Allied countermeasures against the "Jagdverbände".Beginning in late February 1944 Eighth Air Force fighter units began systematic strafing attacks on German airfields that picked up in frequency and intensity throughout the spring with the objective of gaining air supremacy over the Normandybattlefield. In general these were conducted by units returning from escort missions, but beginning in March many groups also were assigned airfield attacks instead of bomber support. On April 15VIII FC began Operation Jackpot, attacks on specific Luftwaffe fighter airfields, and on May 21these attacks were expanded to include railways, locomotives, and rolling stockused by the Germans for movements of materiel and troops in missions dubbed "Chattanooga". [ Olmsted, Merle. "The 357th Over Europe: the 357th Fighter Group in World War II". St. Paul, Minnesota: Phalanx Publishing, 1994, p. 144. ISBN 0-933424-73-6.] The P-51 also excelled at this mission, although losses were much higher on strafing missions than in air-to-air combat, partially due to the vulnerability of the Mustang's cooling system to small arms hits. Like other fighters using liquid cooled engines, the Mustang's coolant system could be punctured by a hit from a single bullet.
The numerical superiority of the USAAF fighters, superb flying characteristics of the P-51 and pilot proficiency helped cripple the Luftwaffe's fighter force. As a result, the fighter threat to US, and later British bombers, was greatly diminished by summer 1944.P-51s also distinguished themselves against advanced enemy rockets and aircraft. A P-51B/C with high-octane fuel was fast enough to pursue the
V-1s launched toward London. The Me 163 Kometrocket interceptors and Me 262jet fighters were considerably faster than the P-51, but as all aircraft are, were vulnerable on take-off. Chuck Yeager, flying a P-51D, was one of the first American pilots to shoot down a Me 262when he surprised it during its landing approach. On 7 October 1944Lt. Urban Drew, of the 365th Fighter Group, went one better. During a fighter sweep hesurprised two Me 262s on take-off and shot them down. On the same day Hubert Zemke, now flying Mustangs, shot down what he thought was a Bf 109, only for the gun camera film to reveal a Me 262. [Scutts 1994, p. 58.] On 1 November 1944, the Mustang pilots once again demonstrated that the threat could be contained with numbers. While flying as escorts for B-17s, the 20th Fighter Group was attacked by a lone Me 262, which destroyed a solitary P-51. The Me 262 then attempted to attack the bombers, only to be cut off by a mixed formation of P-51s and P-47s. The Fighter Groups competed for the kill. Eventually a P-47 pilot of the 56th, and Mustang pilots Lt Gerbe and Groce of the 352nd Fighter Groups, shared the kill. [Scutts 1994, p. 59.]
The Eighth, Ninth and Fifteenth Air Forces' P-51 groups, all but three of which flew another type before converting to the Mustang, claimed some 4,950 aircraft shot down (about half of all USAAF claims in the European theater) and 4,131 destroyed on the ground. Losses were about 2520 aircraft. [Dean, 1997 p.339] One of these groups, the
Eighth Air Force's 4th Fighter Group, was the overall top-scoring fighter group in Europe with 1,016 enemy aircraft claimed destroyed. This included 550 claimed in aerial combat and 466 claimed on the ground. ["Global Security". [http://www.globalsecurity.org/military/agency/usaf/4fw.htm 4th Fighter Wing] Retrieved: 12 April 2007.]
In aerial combat, the top-scoring P-51 units (both of which exclusively flew Mustangs) were the
357th Fighter Groupof the Eighth Air Force with 595 air-to-air combat victories, and the Ninth Air Force's 354th Fighter Group with 701, which made it the top scoring outfit in aerial combat of all fighter groups of any type. Martin Bowman reports that in the ETO Mustangs flew 213,873 sorties and lost 2,520 aircraft to all causes.Fact|date=June 2008
P-51s were deployed in the Far East later in 1944, operating in close-support and escort missions as well as operating in the Tactical Photo Reconnaissance role.
Post-World War II
In the aftermath of World War II, the USAAF consolidated much of its wartime combat force and selected the P-51 as a "standard" piston engine fighter while other types such as the P-38 and P-47 were withdrawn or given substantially reduced roles. However, as more advanced jet fighters (P-80 and P-84) were being introduced, the P-51 was relegated to secondary status.
In 1947, the newly-formed
USAF Strategic Air Commandemployed Mustangs alongside F-6 Mustangs and F-82 Twin Mustangs, due to their range capabilities. In 1948, the designation P-51 (P for pursuit) was changed to F-51 (F for fighter) and the existing F designator for photographic reconnaissance aircraft was dropped because of a new designation scheme throughout the USAF. Aircraft still in service in the USAF or Air National Guard (ANG) when the system was changed included: F-51B, F-51D, F-51K, RF-51D (formerly F-6D), RF-51K (formerly F-6K), and TRF-51D (two-seat trainer conversions of F-6Ds). They remained in service from 1946 through 1951. By 1950, although Mustangs continued in service with the USAF and many other nations after the war, the majority of the USAF's Mustangs had been surplussed or transferred to the Air Force Reserve(AFRES) and the Air National Guard(ANG).
Korean War, F-51s, though obsolete as fighters, were used as close ground support aircraft and reconnaissance aircraft until the end of the war in 1953 [ [http://www.nationalmuseum.af.mil/factsheets/factsheet.asp?id=2214 USAF Fact sheet] ] . Because of its lighter structure and less availability of spare parts, the newer, faster F-51H was not used in Korea. With the aircraft being used for ground attack, their performance was less of a concern than their ability to carry a load.
At the start of the
Korean War, the Mustang once again proved its usefulness. With the availability of F-51Ds in service and in storage, a substantial number were shipped via aircraft carriers to the combat zone for use initially by both the Republic of Korea Air Force(ROKAF) and USAF. Rather than employing them as interceptors or "pure" fighters, the F-51 was given the task of ground attack, fitted with rockets and bombs. After the initial invasion from North Korea, USAF units were forced to fly from bases in Japan, and F-51Ds could hit targets in Korea that short-ranged F-80 jet fighters could not. A major concern over the vulnerability of the cooling system was realized in heavy losses due to ground fire. Mustangs continued flying with USAF and Republic of Korea Air Force(ROKAF) fighter-bomber units on close support and interdiction missions in Korea until they were largely replaced by Republic F-84and Grumman Panther jet fighter-bombers in 1953. No. 77 Squadron Royal Australian Air Force(RAAF) operated Australian-built Mustangs as part of British Commonwealth Forces Korea, replacing them with Gloster MeteorF8s in 1951. No. 2 Squadron South African Air Force(SAAF) operated US-built Mustangs as part of the US 18th Fighter Bomber Wing, suffering heavy losses by 1953, when it converted to the F-86 Sabre.
F-51s flew in the Air Force Reserve and Air National Guard throughout the 1950s. The last American USAF Mustang was F-51D-30-NA AF Serial No. 44-74936, which was finally withdrawn from service with the
West Virginia Air National Guardin 1957. This aircraft is now on display at the National Museum of the United States Air Forceat Wright-Patterson AFBin Dayton, Ohio. It is, however, painted as P-51D-15-NA Ser No. 44-15174. Gunston, Bill. "North American P-51 Mustang". New York: Gallery Books, 1990. ISBN 0-83171-402-6.]
The final withdrawal of the Mustang from USAF dumped hundreds of P-51s out onto the civilian market. The rights to the Mustang design were purchased from North American by the
Cavalier AircraftCorporation, which attempted to market the surplus Mustang aircraft both in the U.S. and overseas. In 1967 and again in 1972, the USAF procured batches of remanufactured Mustangs from Cavalier, most of them destined for air forces in South Americaand Asiathat were participating in the Military Assistance Program (MAP). These aircraft were remanufactured from existing original F-51D airframes but were fitted with new V-1650-7 engines, a new radio fit, tall F-51H-type vertical tails, and a stronger wing which could carry six 0.50-inch machine guns and a total of eight underwing hardpoints. Two 1000-pound bombs and six five-inch rockets could be carried. They all had an original F-51D-type canopy, but carried a second seat for an observer behind the pilot. One additional Mustang was a two-seat dual-control TF-51D (67-14866) with an enlarged canopy and only four wing guns. Although these remanufactured Mustangs were intended for sale to South American and Asian nations through the Military Assistance Program (MAP), they were delivered to the USAF with full USAF markings. They were, however, allocated new serial numbers (67-14862/14866, 67-22579/22582 and 72-1526/1541).
The last U.S. military use of the F-51 was in 1968, when the U. S. Army employed a vintage F-51D (44-72990) as a chase aircraft for the Lockheed YAH-56 Cheyenne armed helicopter project. This aircraft was so successful that the Army ordered two F-51Ds from Cavalier in 1968 for use at
Fort Ruckeras chase planes. They were assigned the serials 68-15795 and 65-15796. These F-51s had wingtip fuel tanks and were unarmed. Following the end of the Cheyenne program, these two chase aircraft were used for other projects. One of them (68-15795) was fitted with a 106-mm recoilless rifle for evaluation of the weapon's value in attacking fortified ground targets. [ Wixey 2001, p. 55.]
The F-51 was adopted by many foreign air forces and continued to be an effective fighter into the mid 1980s with smaller air arms. The last Mustang ever downed in battle occurred during
Operation Power Packin the Dominican Republicin 1965, with the last aircraft finally being retired by the Dominican Air Force (FAD) in 1984. [ [http://www.acig.org/artman/publish/article_153.shtml Domincan Republic] ]
The P-51 Mustang remained in service with more than 30 air forces after World War II; the last was retired from active service in the early 1980s. Here is a list of some of the countries that used the P-51 Mustang.
;ARG: Fact|date=March 2008Argentina Air Force (Fuerza Aerea Argentina) flew 3 F-51s and a Mustang obtained from an unknown source from 1962–74.They were retired from service in 1976 and later sold for scrapping to Bolivia.
Royal Australian Air Force(RAAF) unit to use Mustangs was No. 3 Squadron RAAF, which converted to them at its base in Italy in November 1944. The RAAF had also decided to replace its P-40Kittyhawks in the South West Pacific Areawith P-51s, and ordered a total of about 500 Mustangs, which were to be built by the Commonwealth Aircraft Corporation(CAC), the only non-U.S. production line. In 1944, 100 P-51Ds were shipped from the U.S. in kit form to inaugurate production at Fishermans Bend, in Melbourne. CAC assembled 80 of these under the designation CA-17/Mark 20, the remaining 20 being kept unassembled as spare parts.
:CAC then produced 120 more P-51Ds on its own (reduced from an initial order for 170), which it designated CA-18/Mark 21, 22 or 23. (The RAAF used the serial number prefix A68- for all P-51s.) The Mk 22 was a photo reconnaissance variant. The 21 and 22 used the American built Packard Merlin V-1650-3 or -7 and the Mk 23 had newer model Rolls Royce Merlin 66 or 70 engines. In addition, 84 P-51Ks were also shipped direct to the RAAF from the USA. However, only 17 Mustangs reached the front line squadrons of the First Tactical Air Force by the time World War II ended in August 1945. The RAAF subsequently cancelled further orders for about 200 Mustangs.
:Several squadrons were issued with P-51s: 76, 77,82, 83, 84 and 86 Squadrons, which had operated P-40 Kittyhawks, all converted to P-51s from July 1945. 76, 77 and 82 Squadrons were formed into 81 Fighter Wing of the
British Commonwealth Air Force(BCAIR) which was part of the British Commonwealth Occupation Force(BCOF) stationed in Japan from February 1946. 77 Squadron also used P-51s extensively during the first years of the Korean War, before converting to Gloster Meteorjets. [Anderson 1975, pp.16-43.]
:Another RAAF squadron to convert to Mustangs was 3 Squadron which, soon after the war was renumbered 4 (Tactical Reconnaissance) Squadron. There were also several "Citizen Air Force" (CAF) units (similar to the USAF's Air National Guard units); 21 "City of Melbourne" Squadron, based in the state of Victoria; 22 "City of Sydney" Squadron, based in
New South Wales; 23 "City of Brisbane" Squadron, based in Queensland; 24 "City of Adelaide" Squadron, based in South Australiaand 25 "City of Perth" Squadron, based in Western Australia. The last Mustangs were retired from these units in 1960 when all CAF units changed to a non-flying role. [Anderson 1975, pp.50-65.]
:In October 1953 six Mustangs, including A68-1, the first Australian built CA-17 Mk 20, were allotted to the Long Range Weapons Development Establishment based at
Maralinga, South Australiato be used in experiments to gauge the effects of low-yield nuclear explosions on military and civilian facilities. The Mustangs were placed on a dummy airfield about one kilometre from the blast tower from which two low-yeild atom bombs were detonated. Following these tests the Mustangs were found to be relatively intact. In 1967 A68-1 was bought by a syndicate and shipped to the United States to be restored to flight status: this Mustang is currently owned by Troy Sanders (see Survivors). [Anderson 1975, p.71.]
;BOL: Nine "Cavalier" F-51D (including the two TF-51s) were given to Bolivia, under a program called Peace Condor.
;CAN: :Canada had five squadrons equipped with Mustangs during World War II. RCAF No. 400, No. 414 and No. 430 squadrons flew Mustang Mk 1s (1942-1944) and Nos. 441 and 442 flew Mustang Mk IIIs and IVAs in 1945. Postwar, a total of 150 Mustang P-51Ds were purchased and served in two regular: No. 416 "Lynx" and No. 417 "City of Windsor" and six auxiliary fighter squadrons: No. 402 "City of Winnipeg," No. 403 "City of Calgary," No. 420 "City of London," No. 424 "City of Hamilton," No. 442 "City of Vancouver" and No. 443 "City of New Westminster". The Mustangs were declared obsolete in 1956 but a number of special-duty versions served on into the early 1960s.
;China as ROC: China acquired P-51Cs and Ds from the U.S. 10th AF in India by early 1945. These Mustangs were provided to the 3rd, 4th and 5th Fighter Groups of the China Air Force (CAF) and used to attack Japanese targets in occupied areas of China. After the war
Chiang Kai-shek's Nationalist government used the planes against insurgent Communist forces. The Nationalists retreated to Taiwanin 1949. Pilots supporting Chiang brought most of the Mustangs with them, where the aircraft became part of the island's defence arsenal. Taiwan subsequently acquired additional Mustangs from the USAF and other sources. Some Mustangs remained on the mainland, captured by Communist forces when the Nationalists left.
;CRC: The Costa Rica Air Force flew four F-51s from 1955–64.
;CUB: Some reports claim that under the terms of the 1947 Rio Pact, Cuba was supplied with F-51D Mustangs.Who|date=August 2008. However, after the 1959
Cuban Revolution, Cuba's Fuerza Aerea Revolucionaria illegally acquired three ex-civilian Mustangs reputedly being bought in Canada by envoys of Fidel Castro. The P-51 Mustangs did not enter service soon enough to see any action during the Cuban revolution. During the Bay of Pigs Invasion, the Mustangs were damaged on the ground, and were repaired too late to participate in the fighting. They served with the Cuban air force until they were replaced with Russian-built equipment in the early 1960s. [Baugher, Joe. [http://home.att.net/~jbaugher1/p51_11.html "P-51".] North American P-51 Mustang. Retrieved: 12 April 2007.]
;DOM: The Dominican Republic (FAD) was the largest Latin American air force to employ the F-51D with six aircraft acquired in 1948, 44 ex-Swedish F-51Ds purchased in 1948 and a further Mustang obtained from an unknown source. Gunston and Dorr 1995, p.107.] It was the last nation to have the F-51 Mustang in service, with some remaining in use as late as 1984.
;ESA: The FAS purchased five Cavalier Mustang IIs (and one dual control Cavalier TF-51) featured wingtip fuel tanks to increase combat range and up-rated Merlin engines. Seven P-51D Mustangs were also in service.
;FRA: In late 1944, the first French unit began its transition to reconnaissance Mustangs. In January 1945, the Tactical Reconnaissance Squadron 2/33 of the French Air Force took their F-6Cs and F-6Ds over Germany on photographic mapping missions. The Mustangs remained in service until the early 1950s when they were replaced by jet fighters.
;flag|Germany|Nazi: Several P-51s were captured by the Luftwaffe following crash-landings. These aircraft were subsequently repaired and test flown by the "Zirkus Rosarius" or "Rosarius Staffel" for combat evaluation at
Göttingen. The aircraft were repainted with German markings and bright yellow nose and belly for identification. A number of P-51B/Cs (including examples marked with "Luftwaffe" codes T9+CK, T9+FK, T9+HK and T9+PK) and three P-51Ds were captured. [Smith et al 2004, pp. 78–79, 80, 82.] Some of these P-51s were found by Allied forces at the end of the war, others crashed during testing. [Smith et al 2004, pp. 108–114.]
;GUA: Guatemala (FAG) had 30 P-51s in service from 1954 to the early 1970s.
;HAI: Haiti had four Mustangs when President Paul Eugène Magloire was in power between 1950 and 1956, with the last retired in 1973-74 and sold for spares to the Dominican Republic. Gunston and Dorr 1995, p. 108.]
;HON: Seven Mustangs were acquired from private sources to fight in the so-called "
Football War" against El Salvador.Fact|date=March 2008
;IDN: Indonesia acquired some F-51s from the departing Netherlands East Indies Air Force in 1949/1950. The Mustangs were used against Commonwealth (RAF, RAAF and RNZAF) forces during the Indonesian confrontation in the early 1960s. The last time Mustangs were to be deployed for military purposes was a shipment of six "Cavalier" II Mustangs (without tip tanks) delivered to Indonesia in 1972–1973, which were replaced in 1976. [ [http://www.mustangsmustangs.net/p-51/p51variants/Cavalier.shtml Cavalier Mustangs] "Mustangs-Mustangs". Retrieved:
12 April 2007.] [ [http://www.scramble.nl/id.htm "Indonesian Air Arms Overview".] "". Retrieved: 12 April 2007.]
;ISR: A few P-51 Mustangs were illegally bought by Israel in 1948 for use in the War of Independence (1948) and quickly established themselves as the best fighter in the Israeli inventory. Further aircraft were bought from Sweden and Nicaragua but were replaced by jets at the end of the 1950s, but not before the type was used in the
Suez Crisis, Operation Kadesh(1956). Reputedly, during this conflict, one daring Israeli pilot literally cut communications between Suez City and the Egyptian front lines by using his Mustang's propeller on the telephonewires. [Yenne 1989, p. 62.]
;ITA: During the war, from 1943-45, Italian pilots faced an increasing number of Mustangs, but only in the last years were they the main threat, because P-38s and P-47s were still present in great numbers. Mustangs were generally quite superior to Italian fighters, both indigenous types and the Bf 109s given by Germany, but some Mustangs were lost as well in those aerial battles. No Italian pilot flew Mustangs before the end of the war.
:Italy was a postwar operator of P-51Ds; deliveries were slowed by the Korean war, but between September 1947 and January 1951, by MDAP count, 173 examples were delivered. They were used in all the AMI fighter units: 2, 3, 4, 5, 6, and 51 Stormo (Wing) and some in schools and experimentals units. Considered a "glamorous" fighter, P-51s were even used as personal aircraft by several Italian commanders. Some restrictions were placed on its use due to unfavorable flying characteristics. Handling had to be done with much care when fuel tanks were fully utilized and several aerobatic maneuvers were forbidden. Overall, the P-51D was highly rated even compared to the other primary postwar Italian fighter, the
Supermarine Spitfire, partly because these P-51Ds were in very good condition in contrast to all other Allied fighters supplied to Italy. Phasing out of the Mustang began in summer 1958. [Sgarlato]
;JPN: The P-51C-11-NT "Evalina" marked as "278" (former USAAF serial: 44-10816) flown by 26th FS, 51st FG, was hit by gunfire on 16 January 1945 and belly landed on Suchon Airfield in China which was held by the Japanese. The Japanese repaired the aircraft, roughly applied
Hinomaru roundels and flew the aircraft to the Fussa evaluation centre (now Yokota Air Base) in Japan.
Royal Netherlands East Indies Army Air Forcereceived 40 P-51s and flew them in the Indonesian conflict. When the conflict was over Indonesia received some of the ML-KNIL Mustangs.
;NIC: Nicaragua (GN) gained 26 Mustangs from Sweden in 1954 and used them until 1964.
New Zealandordered 320 P-51 Mustangs as a partial replacement of its F4U Corsairs in the Pacific Ocean Areastheatre. Thirty were delivered in 1945 but the war ended before they entered service. The remainder were retained in the U.S. The 30 received were stored in their packing cases until 1950 when put into service with the New Zealand Territorial Air Force (TAF)'s Auckland, Wellington, Canterbury and Otago squadrons. The TAF was disbanded in 1957 and the Mustangs retired, one being retained by 42 Squadron for regular target towing duties, and the remainder being sold for scrap. RNZAF pilots in the Royal Air Force also flew the P-51 and at least one New Zealand pilot scored victories over Europe while on loan to a USAAF P-51 squadron. A Mustang is on display in the RNZAF Museumand three other privately owned Mustangs are airworthy in the country.Anderson 1975]
;PHI: in the late 1950s.
;POL: During World War II, five Polish Air Force in Great Britain squadrons used Mustangs. The first Polish unit equipped (
7 June 1942) with Mustang Mk Is was Flight B of No. 309 Polish Army-Cooperation Squadron, followed by Flight A in March 1943. Subsequently, 309 Squadron was renamed "No. 309 Polish Fighter-Reconnaissance Squadron" and became part of Fighter Command. On 13 March 1944, No. 316 Polish Fighter Squadronreceived their first Mustang Mk IIIs; rearming of the unit was completed by the end of April. By 26 March 1943, No. 306 Polish Fighter Squadronand No. 315 Polish Fighter Squadronreceived Mustangs Mk IIIs (the whole operation took 12 days). On 20 October 1944, Mustang Mk Is in No. 309 Squadron were replaced by Mk IIIs. On 11 December 1944, the unit was again renamed, as "No. 309 Polish Fighter Squadron". In 1945, No. 303 Polish Fighter Squadronreceived 20 Mustangs Mk IV/Mk IVA replacements. Postwar, between 6 December 1946and 6 January 1947, all five Polish squadrons equipped with Mustangs were disbanded. Poland returned approximately 80 Mustangs Mk IIIs and 20 Mustangs Mk IV/IVAs to the RAF, which transferred them to the U.S. government. [Mietelski 1981]
;flag|South Africa|1928: The
South African Air Forceoperated a number of Mustang Is and IIs (P-51As) in Italy and the Middle East during World War II. After VE-Day, these machines were soon struck off charge and scrapped. In 1950, 2 Squadron SAAF was supplied with F-51D Mustangs by the United States for Korean War service. The type performed well in South Africanhands before being replaced by the F-86 Sabre in 1952/1953.
;KOR: Within a month of the outbreak of the Korean War, 10 F-51D Mustangs were provided to the badly depleted
Republic of Korea Air Forceas a part of the Bout OneProject. They were flown by both South Korean airmen, several of whom were veterans of the Imperial Japanese Army and Navy air services during World War II as well as by U.S. advisers led by Major Dean Hess. Later, more were provided both from U.S. and from South African stocks, as the latter were converting to F-86 Sabres. They formed the backbone of the South Korean Air Force until they were replaced by Sabres. TaiwanSee "China" above.
;USSR: The Soviet Union received at least 10 early-model Mustangs and tested them in combat. Some reports suggest that other Mustangs that were abandoned in Russia after the famous "shuttle missions" were repaired and used by the Soviet Air Force, but not in front line service.
;SWE: Sweden's Flygvapnet first recuperated four of the P-51s (two P-51Bs and two early P-51Ds) that had been diverted to Sweden during missions over Europe. In February 1945, Sweden purchased 50 P-51Ds designated J 26, which were delivered by American pilots in April and assigned to the F 16 wing at
Uppsalaas interceptors. In early 1946, the F 4 wing at Östersundwas equipped with a second batch of 90 P-51Ds. A final batch of 21 airplanes was purchased in 1948. In all, 161 J 26s served in the Swedish Air Forceduring the late 1940s. About a dozen were modified for photo reconnaissance and re-designated S 26. A few of these aircraft participated in the top secret Swedish mapping of new Soviet military installations at the Baltic coast in 1946-47 "(Operation Falun)", an endeavour that entailed many intentional violations of Soviet airspace. However, the Mustang could outdive any Soviet fighter of that era, so no S 26 was lost in these missions. ["Bortom Horisonten : Svensk Flygspaning mot Sovjetunionen 1946-1952" by Andersson, Lennart, Hellström, Leif] The J 26s were replaced by De Havilland Vampires around 1950. The S 26s were replaced by S 29Cs in the early 1950s.
Swiss Air Forceoperated a few USAAF P-51s which had been impounded by Swiss authorities during World War II after the pilots were forced to land in neutral Switzerland. After the war, Switzerland also bought 130 P-51s for $4,000 each. They served until 1958.
;UK: The RAF was the first air force to operate the P-51 which was originally designed to meet RAF requirements. The first P-51As (RAF Mustang Is) entered service in 1941, wearing the standard RAF fighter markings. Due to poor high-altitude performance, the Mustangs were soon transferred to Army co-operation and fighter reconnaissance duties. On
27 July 1942, sixteen RAF Mustangs undertook their first long-range reconnaissance mission over Germany. During Operation Jubilee, the Dieppe Raid( 19 August 1942), four British and Canadian Mustang squadrons, including No. 26 Squadron RAFsaw action. By 1943/1944, British Mustangs were used extensively to seek out V-1 flying bombsites. The final RAF Mustang I and Mustang II machines were struck off charge in 1945. The RAF operated several Mustang III (P-51B/C) machines, the first units converting to the type in late 1943/1944. Mustang III units were operational until the end of World War II, though many units had already converted to the Mustang IV (P-51D/K). RAF pilots preferred the Mustang III (with Malcolm hood), but the RAF re-equipped with Mustang IVs. As the Mustang was a Lend-Leasetype, all aircraft still on RAF charge at the end of the war were either returned to the USAAF "on paper" or retained by the RAF for scrapping. The final Mustangs were retired from RAF use in 1947.
;URU: Uruguay (FAU) used 25 F-51D Mustangs from 1950 to 1960 — some were subsequently sold to Bolivia.
;VEN: Venezuela (FAV) used only a sole Mustang which was acquired from another Latin American country.
P-51s and civil aviation
Many P-51s were sold as surplus after the war, often for as little as $1,500. Some were sold to former wartime fliers or other aficionados for personal use, while others were modified for air racing. [http://www.swissmustangs.ch/35899.html Swiss Mustangs] .]
One of the most prominent Mustangs involved in air racing was a surplus P-51C purchased by
Paul Mantz, a film stunt pilot. The aircraft was modified by creating a "wet wing", sealing the wing to create a giant fuel tank in each wing, which eliminated the need for fuel stops or drag-inducing drop tanks. This Mustang, called "Blaze of Noon", came in first in the 1946 and 1947 Bendix Air Races, second in the 1948 Bendix and third in the 1949 Bendix. He also set a U.S. coast-to-coast record in 1947. The Mantz Mustang was sold to Charles F. Blair Jr(future husband of Maureen O'Hara) and re-named "Excaliber III". Blair used it to set a New York-to-London record in 1951. Later that same year he flew from Norway to Fairbanks, Alaska, via the North Pole, proving that navigation via sun sights was possible over the magnetic north pole region. For this feat, he was awarded the Harmon Trophy and the Air Force was forced to change its thoughts on a possible Soviet air strike from the north. This [http://www.nasm.si.edu/research/aero/aircraft/NAP-51C.htm Mustang] now resides in the National Air and Space Museumat Steven F. Udvar-Hazy Center.
The most prominent firm to convert Mustangs to civilian use was "Trans-Florida Aviation", later renamed "Cavalier Aircraft Corporation", which produced the
Cavalier Mustang. Modifications included a taller tailfin and wingtip tanks. A number of conversions included a Cavalier Mustang specialty: a "tight" second seat added in the space formerly occupied by the military radio and fuselage fuel tank.
Ironically, in the late 1960s and early 1970s when the
United States Department of Defensewished to supply aircraft to South American countries and later Indonesia, for close air supportand counter insurgency, it turned to Cavalier to return some of their civilian conversions back to updated military specifications.
The P-51 is perhaps the most sought after of all
warbirds on the civilian market; the average price usually exceeds $1 million, even for only partially restored aircraft. [http://www.mustangsmustangs.net/p-51/p51sforsale/4473142apr2005.shtml P-51s for Sale] .] Some privately owned P-51s are still flying, often associated with organizations such as the Commemorative Air Force(formerly the Confederate Air Force). [http://www.dixiewing.org/aircraft_rides/ Aircraft rides] , Dixie Wing.]
;NA-73X : The initial prototype was designated the NA-73X by the manufacturer, North American Aviation.
*;Mustang I : The first production contract was awarded by the British for 320 NA-73 fighters. This aircraft was named Mustang I by the British. A second British contract for 300 more Mustang Is was assigned a model number of NA-83 by North American.
*;XP-51 : Two aircraft of this lot delivered to the USAAF were designated XP-51.;P-51 : In September 1940, 150 aircraft designated NA-91 by North American were ordered under the Lend/Lease program. These were designated by the USAAF as P-51 and initially named the Apache although this name was dropped early-on for Mustang. The British designated this model as Mustang IA. They were equipped with four long-barrelled 20 mm Hispano-Suiza Mk II cannon instead of machine guns. A number of aircraft from this lot were fitted out by the USAAF as photo reconnaissance aircraft and designated F-6A. The British would fit a number of Mustang I fighters with photographic reconnaissance equipment as well. Also, two aircraft of this lot were fitted with the Packard-built Merlin engine and were designated by North American as model NA-101 and by the USAAF initially as the XP-78, but re-designated quickly to XP-51B.
In early 1942, the USAAF ordered a lot of 500 aircraft modified as dive bombers that were designated A-36A. North American assigned the aircraft the model number NA-97. This model became the first USAAF Mustang to see combat. One aircraft was passed to the British who gave it the name Mustang I (Dive Bomber).
Following the A-36A order the USAAF ordered 310 model NA-99 fighters that were designated P-51A by the USAAF. and Mustang II by the RAF. A number of this lot of aircraft were equipped with K-24 cameras and designated F-6B. All these models of the Mustang were equipped with Allison V-1710 engines except the prototype XP-51B.
Beginning with the model NA-102 Mustang the Packard built Merlin V-1650 engine replaced the Allison. In the summer of 1943 Mustang production was begun at a new plant in Dallas, Texas as well as at the existing facility in Inglewood, California. The model NA-102 was produced as the P-51B in Inglewood while the NA-103 as the P-51C was produced at Dallas. The RAF named these models Mustang III. Again, a number of the P-51B and P-51C aircraft were fitted for photo Reconnaissance and designated F-6C.
The prototypes of the bubble canopy change were designated model NA-106 by North American and P-51D by the USAAF. The production version, while retaining the P-51D designation, was assigned a model number NA-109 by North American. The "D" became the most widely produced variant of the Mustang. A variation of the P-51D equipped with an Aeroproducts propeller in place of the Hamilton Standard propeller was designated the P-51K. The photo versions of the P-51D and P-51K were designated F-6D and F-6K respectfully. The RAF assigned the name Mustang IV to the "D" model and Mustang IVA to "K" models.
As the USAAF specifications required airframe design to a higher load factor than that used by British for their fighters, consideration was given to re-designing the Mustang to the lower British requirements in order to reduce the weight of the aircraft and thus improve performance. In 1943, North American submitted a proposal to do the re-design as model NA-105, which was accepted by the USAAF. The designation XP-51F was assigned for prototypes powered with V-1650 engines and XP-51G to those with reverse lend/lease Merlin 145M engines. Modifications included changes to the cowling, a simplified undercarriage with smaller wheels and disk brakes, and a larger canopy. A third prototype was added to the development that was powered by an Allison V-1710 engine. This aircraft was designated XP-51J. As the engine was insufficiently developed the XP-51J was loaned to Allison for engine development. A small number of XP-51Fs were passed to the British as the Mustang V.
The final production Mustang, the P-51H embodied the experience gained in the development of the lightweight XP-51F and XP-51G aircraft. This aircraft, model NA-126 and with minor differences NA-129, came too late to participate in World War II, but it brought the development of the Mustang to a peak and was one of the fastest production piston engine fighters to see service. The P-51H used the Merlin V-1659-9 engine, equipped with Simmons automatic boost control and water injection, allowing
War Emergency Poweras high as 2,218 horsepower. Some of the weight savings inherited from the XP-51F and XP-51G were invested in lengthening the fuselage and increasing the height of the tailfin, greatly reducing the tendency to yaw, and in restoring the fuselage fuel tank. The canopy was changed back to more nearly resemble the P-51D style, over a somewhat raised pilot's position. Service access to the guns and ammunition was improved. The P-51H was designed to complement the P-47N as the primary aircraft for the invasion of Japanand 2,000 were ordered to be built at the Inglewood plant. With the solution to the problem of yaw control, the P-51H was now considered a suitable candidate for testing as an aircraft carrierbased fighter; but with the end of the war, the testing was cut short, and production was halted after 555 aircraft were built. Although some P-51Hs were issued to operational units, none saw combat. One aircraft was given to the RAF for testing and evaluation. Serial number "44-64192" was re-serialled BuNo 09064 and used by the Navy to test transonicairfoil designs, then returned to the Air National Guard in 1952. The P-51H was not used for combat in the Korean Wardespite its improved handling characteristics, due to the lack of experience with durability of the lighter airframe under combat conditions as well as limited numbers in the USAF inventory. [ [http://home.att.net/~jbaugher1/p51_13.html North American P-51H] ]
With the cutback in production the variants of the P-51H with different versions of the Merlin engine were produced in either limited numbers or terminated. These included the P-51L, similar to the P-51H but utilizing the 2270 horsepower V-1650-11 Merlin engine, which was never built; and its Dallas-built version, the P-51M or NA-124 which utilized the V-1650-9A Merlin engine lacking water injection and therefore rated for lower maximum power, of which one was built out of the original 1629 ordered, serial number "45-11743".
:Source: "U.S. Military Aircraft Designations and Serials since 1909" [ Andrade, John M. "U.S. Military Aircraft Designations and Serials since 1909". Leicester, UK: Midland Counties Publication, 1979, ISBN 0-904597-22-9.]
*NA.73X Prototype: One built
*P-51: 150 built
*P-51A: 310 built at Inglewood,
*P-51B: 1,988 built at Inglewood
*P-51C: 1,750 built at Dallas,
*P-51D: A total of 8,156 were built: 6,502 at Inglewood, 1,454 at Dallas and 200 by CAC at Fisherman's Bend, Australia
*XP-51F: Three built
*XP-51G: Two built
*P-51H: 555 built at Inglewood
*XP-51J: Two built
*P-51K: 1,500 built
*P-51L: None built - cancelled
*P-51M: One built at Dallas
*Mustang I: 620 built
*Mustang III: 852 built
*Mustang IV: 281 built
*Mustang IVA: 595 built
Total number built: 15,875 (among American fighter aircraft second only to the
The P-51 has been the subject of numerous sub-scale flying replicas; aside from ever-popular R/C-controlled aircraft, several
kitplanemanufacturers offer 1/2, 2/3, and 3/4-scale replicas capable of comfortably seating one (or even two) pilot(s) and offering high-performance combined with more forgiving flight characteristics. Such aircraft include the Titan T-51 Mustangand Thunder Mustang.
Among the 287 current airframes and the 154 "flying" Mustangs are the following: [ "Mustangs-Mustangs". [http://www.mustangsmustangs.com/p-51/survivors/index.shtml P-51 Survivors] Retrieved:
12 April 2007]
*XP-51 41-038 Original prototype on display, Oshkosh
*P-51A-1NA Mustang in storage for restoration, Kermit Weeks, Polk City, FL
*P-51A-10-NA Mustang now flying and marked as "Miss Virginia"
Planes of Fame, Chino, CA [ [http://www.warbirddepot.com/aircraft_fighters_p51a-pof.asp P-51A "Miss Virginia"] ]
Planes of Fame, Chino, CA
*P-51C-10-NT Mustang flying as "Ina the Macon Belle" of Lt. Lee Archer, the only 5 victory ace of the "
Tuskegee Airmen" 332nd FG, 302nd FS. Kermit Weeks, Tamiami FL.
*P-51D Mustang, Olympic flight museum, Olympia, WA. In flying condition.
*P-51D Mustang, Indiana Aviation Museum, Valparaiso, IN. In flying condition, served with the North Dakota, Alabama, and Kentucky Air National Guards.
*P-51 Mustang (Mk IV), Vintage Wings of Canada, Gatineau, Québec.
*P-51D Mustang, N167F, Scandinavia Historic Flight, painted as "Old Crow", the aircraft of one of the 8th AF aces, Col. Clarence E. "Bud" Anderson of the
357th Fighter Group, 363rd Fighter Squadron. [ [http://www.shf.as/shf_docs/aircraft.asp Scandinavia Historic Flight of P-51s] Retrieved: 11 October 2007.]
*P-51D Mustang, SE-BIL, "It's About Time", based in Sweden. [Flypast Magazine, August 2007, Key Publishing Ltd.]
*P-51D Mustang, (P-51D-20NA) Cavanaugh Flight Museum, Addison, Texas. The aircraft is in flying condition.
*P-51D Mustang, 'Spam Can' Planes of Fame, Chino, CA
*P-51D Mustang, 'Wee Willy II' Planes of Fame, Chino, CA
*P-51D Mustang Marked as under restoration Planes of Fame, Chino, CA
*P-51H Mustang 44-64415 Flying, Whittington Bros, Fort Lauderdale, FL
*P-51D "Old Yeller" - Formerly owned by
Bob Hoover. In flying condition. Currently owned by John Bagley of Rexburg, IDand displayed at the Legacy Flight Museum (http://www.legacyflightmuseum.com/).
*CA-17 Mk.20 A68-1, N51WB 'Jeannie Too', flying, Wiley Sanders, Troy, AL. [ [http://www.mustangsmustangs.net/p-51/survivors/pages/A68-001.shtml A68-1, N51WB] Retrieved: 4 October 2008]
*CA-18 Kk.21 A68-104, VH-BOB, flying, Bob Eastgate, Australia
*P-51D Mustang, G-BTCD S/NUMBER 44-73419 - Painted to resemble 44-13704, "Ferocious Frankie", Operated by the Old Flying Machine Company, Duxford, Cambridgshire, UK. http://www.youtube.com/watch?v=i1EknnzgokQ [ [http://www.youtube.com/watch?v=WDDGHC9Y1F4 YouTube video of "Ferocious Frankie"] ]
*P-51D Mustang, G-SIJJ, 44-072035 - painted to resemble 4464076 "Jumpin Jacques", Operated by the Hangar 11 Collection, North Weald, UK. [ [http://www.youtube.com/watch?v=ROuCJ9REAGw YouTube video of Jumpin Jacques] ]
*P-51 Mustang of the Philippine Air Force, painted in original markings with "shark mouth", on display at the Air Force Museum, Villamor Air Base, Pasay City, Philippines
plane or copter?=plane
jet or prop?=prop
ref=The Great Book of Fighters,Green and Swanborough 2001 ] and Quest for Performance [Loftin 2006.]
length main=32 ft 3 in
length alt=9.83 m
span main=37 ft 0 in
span alt=11.28 m
height main=13 ft 8 in
height alt=4.17 m
area main=235 ft²
area alt=21.83 m²
empty weight main=7,635 lb
empty weight alt=3,465 kg
loaded weight main=9,200 lb
loaded weight alt=4,175 kg
max takeoff weight main=12,100 lb
max takeoff weight alt=5,490 kg
Zero-lift drag coefficient: 0.0163
*Drag area: 3.80 ft² (0.35 m²)
*Aspect ratio: 5.83
engine (prop)=Packard Merlin V-1650-7
type of prop=liquid-cooled supercharged V-12
number of props=1
power main=1,490 hp (1,111 kW) at 3,000 rpm; [ [http://collections.nasm.si.edu/code/emuseum.asp?profile=objects&newstyle=single&quicksearch=A19520106000 Smithsonian National Air and Space Museum. Collections Database. "Objects: A19520106000 — Packard (Rolls-Royce) Merlin V-1650-7"] ] 1,720 hp
power alt=1,282 kW
power more=at WEP
max speed main=437 mph
max speed alt=703 km/h
max speed more=at 25,000 ft (7,620 m)
cruise speed main=362 mph
cruise speed alt=580 km/h
stall speed main=100 mph
stall speed alt=160 km/h
range main=1,650 mi
range alt=2,755 km
range more=with external tanks
ceiling main=41,900 ft
ceiling alt=12,770 m
climb rate main=3,200 ft/min
climb rate alt=16.3 m/s
loading main=39 lb/ft²
loading alt=192 kg/m²
power/mass main=0.18 hp/lb
power/mass alt=300 W/kg
Lift-to-drag ratio: 14.6
*Recommended Mach limit 0.8
*6 × 0.50 in (12.7 mm) machine guns; 400 rounds per gun for the two inboard guns; 270 per outboard gun
*2 hardpoints for up to 2,000 lb (907 kg)
*10 × 5 in (127 mm) rockets
plane or copter?=plane
jet or prop?=prop
ref=The Great Book of Fighters
length main=33 ft 4 in
length alt=10.16 m
span main=37 ft 0 in
span alt=11.28 m
height main=11 ft 1 in
height alt=3.38 m
area main=235 ft²
area alt=21.83 m²
empty weight main=7,040 lb
empty weight alt=3,195 kg
loaded weight main=9,500 lb
loaded weight alt=4,310 kg
max takeoff weight main=11,500 lb
max takeoff weight alt=5,215 kg
engine (prop)=Packard Merlin V-1650-9
type of prop=liquid-cooled supercharged V-12
number of props=1
power main=1,490 hp (1,111 kW) at 3,000 rpm, 2,220 hp
power alt=1,655 kW
power more=at WEP [ [http://web.archive.org/web/20070228064018/www.flightjournal.com/plane_profiles/p-51_mustang/p-51_mustang_specifications.asp. Flight Journal. P-51. "MUSTANG SPECIFICATIONS AND PERFORMANCE" (archived webpage)] ]
max speed main=487 mph
max speed alt=784 km/h
max speed more=at 25,000 ft (7,620 m)
range main=1,160 mi
range alt=1,865 km
range more=with external tanks
ceiling main=41,600 ft
ceiling alt=12,680 m
climb rate main=3,300 ft/min
climb rate alt=16.8 m/s
loading main=40.4 lb/ft²
loading alt=197.4 kg/m²
power/mass main=0.23 hp/lb
power/mass alt=385 W/kg
*6 × 0.50 in (12.7 mm) Browning machine guns with 1,880 total rounds (400 rounds for each on the inner pair, and 270 rounds for each of the outer two pair), or 4 of the same guns with 1,600 total rounds (400 per gun).
Dragonfly Squadron" (1953): B-movie flick of Korean War featuring the P-51.
* "Battle Hymn" (1956), is based on the real-life experiences of Lt. Col. Dean E. Hess (played by
Rock Hudson) and his cadre of U.S. Air Force instructors in the early days of the Korean War, training the pilots of the Republic of Korea Air Force and leading them in their baptism of fire in F-51D/Ks.
Lady Takes a Flyer" (1958), features a P-51D prominently in the final sequence when Lana Turner(as Magie Colby) crashes dramatically at the end of a perilous ferry flight to England.
Wings of Fire (film)" (1967), made-for-television air race melodrama with P-51 and F8F.
The Tuskegee Airmen" (1995): The story of how a group of African American pilots overcame racist opposition to become one of the finest U.S. fighter groups in World War II, utilizes the P-51 as their primary mount although the 99th Squadron would have used P-40and P-39during their North African stint. [F.A. Johnson, Warbird Tech Series Vol. 17, Aircobra& Kingcobra 1998 p.72]
F-82 Twin Mustang
Piper PA-48 Enforcer
Titan T-51 Mustang
Focke-Wulf Fw 190
Martin-Baker MB 5
List of military aircraft of the United States
List of fighter aircraft
* Anderson, Peter N. "Mustangs of the RAAF and RNZAF." Sydney, Australia: A.H. & A.W. Reed Pty Ltd, 1975. ISBN 0-589-07130-0.
* Angelucci, Enzo and Peter Bowers. "The American Fighter: The Definitive Guide to American Fighter Aircraft from 1917 to the Present". New York: Orion Books, 1985. ISBN 0-517-56588-9.
* Birch, David. "Rolls-Royce and the Mustang". Derby, UK: Rolls-Royce Heritage Trust, 1987. ISBN 0-9511710-0-3.
* Bridgman, Leonard (ed.) "The North American Mustang." "Jane’s Fighting Aircraft of World War II". London: Studio, 1946. ISBN 1-85170-493-0.
* Carson, Leonard "Kit." "Pursue & Destroy". Granada Hills, California: Sentry Books Inc., 1978. ISBN 0-913194-05-0.
* Dean, Francis H. America's Hundred Thousand. Atglen, PA: Schiffer Publishing Ltd., 1997. ISBN 0-7643-0072-5.
* Delve, Ken. "The Mustang Story". London: Cassell & Co., 1999. ISBN 1-85409-259-6.
* Donald, David, ed. "Encyclopedia of World Aircraft". Etobicoke, ON: Prospero, 1997. ISBN 1-85605-375-X.
* Ethell, Jeffrey L. "P-51 Mustang: In Color, Photos from World War II and Korea". St. Paul, Minnesota: Motorbooks International Publishers & Wholesalers, 1993. ISBN 0-87938-818-8.
* Furse, Anthony. "Wilfrid Freeman: The Genius Behind Allied Survival and Air Supremacy, 1939 to 1945". Staplehurst, UK: Spellmount, 1999. ISBN 1-86227-079-1.
* Grant, William Newby. "P-51 Mustang". London: Bison Books, 1980. ISBN 0-89009-320-2.
* Green, William and Gordon Swanborough. "The Great Book of Fighters". St. Paul, Minnesota: MBI Publishing, 2001. ISBN 0-7603-1194-3.
* Gruenhagen, Robert W. "Mustang: The story of the P-51 Fighter (rev. ed.)". New York: Arco Publishing Company, Inc., 1980. ISBN 0-6680-4884-0.
* Gunston, Bill. "North American P-51 Mustang". New York: Gallery Books, 1990. ISBN 0-8317-14026.
* Gunston, Bill and Robert F. Dorr. "North American P-51 Mustang: The Fighter That Won the War". "Wings of Fame", Volume 1. London: Aerospace, 1995, pp. 56–115. ISBN 1-874023-74-3.
* Hess, William N. "Fighting Mustang: The Chronicle of the P-51". New York: Doubleday and Company, 1970. ISBN 0-912173-04-1.
* Jerram, Michael F. "P-51 Mustang". Yeovil, UK: Winchmore Publishing Services Ltd., 1984, ISBN 0-85429-423-6.
* Johnsen, Frederick A. "North American P-51 Mustang". North Branch, Minnesota: Specialty Press Publishers and Wholesalers, 1996. ISBN 0-933424-68-X.
* Kaplan, Philip. "Fly Navy: Naval Aviators and Carrier Aviaton: A History". New York: Michael Friedman Publishing Group, Incorporated, 2001. ISBN 1-58663-189-6.
* Knaack, Marcelle Size. "Encyclopedia of U.S. Air Force Aircraft and Missile Systems: Volume 1 Post-World War II Fighters 1945-1973". Washington, DC: Office of Air Force History, 1978. ISBN 0-912799-59-5.
* Leffingwell, Randy (and David Newhardt, photography). "Mustang: 40 Years". St. Paul, Minnesota: Crestline (Imprint of MBI Publishing Company), 2003. ISBN 0-7603-2122-1.
* Loftin, LK, Jr. [http://www.hq.nasa.gov/pao/History/SP-468/cover.htm"Quest for Performance: The Evolution of Modern Aircraft, NASA SP-468."] NASA History Office. Retrieved:
22 April 2006.
* Mietelski, Michał, "Samolot myśliwski Mustang Mk. I-III wyd. I" (in Polish). Warszawa: Wydawnictwo Ministerstwa Obrony Narodowej, 1981. ISBN 83-11-06604-3.
* O'Leary, Michael. "USAAF Fighters of World War Two". New York: Sterling Publishing Co., 1986. ISBN 0-7137-1839-0.
* Sgarlato, Nico. "Mustang P-51" (in Italian). "I Grandi Aerei Storici (Monograph series) N.7", November 2003. Parma, Italy: Delta Editrice. ISSN 1720-0636.
* Smith, J. Richard, Eddie J. Creek and, Peter Petrick. "On Special Missions: The Luftwaffe's Research and Experimental Squadrons 1923-1945" (Air War Classics). Hersham, Surrey, UK: Classic Publications, 2004. ISBN 1-90322-333-4.
* White, Graham. "Allied Aircraft Piston Engines of World War II". Warrendale, Pennsylvania: Society for Automotive Engineers, 1995. ISBN 1-56091-655-9.
* Wixey, Ken. "Magnificent Mustang: A Production History of the North American P-51." "Air Enthusiast" Issue 95, September/October 2001.
* Yenne, Bill: "Rockwell: The Heritage of North American". New York: Crescent Books, 1989. ISBN 0-517-67252-9.
* [http://www.americancombatplanes.com/p51_1.html P-51 Mustang ~ NEW ~American Combat Planes of the 20th Century by Ray Wagner]
* [http://www.sonicbomb.com/modules.php?name=Downloads&d_op=getit&lid=522 Colour archive footage of the P-51 in action]
* [http://www.mustang.gaetanmarie.com/index.htm Mustang!]
* [http://www.mustangsmustangs.com/p-51/p51.shtml The North American P-51 Mustang]
* [http://home.att.net/~jbaugher1/p51.html Joe Baugher's American Aircraft - North American P-51 Mustang]
* [http://www.vectorsite.net/avp51.html North American P-51 Mustang at Greg Goebel's Air Vectors]
* [http://www.swissmustangs.ch/ Swiss Mustangs]
* [http://ipmsstockholm.org/magazine/1999/12/stuff_eng_profile_mustang1.htm Camouflage and Markings of P-51 Mustang Parts 1-4 USAAF plus Allison engine versions RAF and Commonwealth]
* [http://acepilots.com/planes/p51_mustang.html P-51 Mustang at American Aces of WW2]
* [http://www.dixiewing.org/aircraft/p51/index.htm Commemorative Air Force page on P-51 background, history, specs]
* [http://www.warbirdsresourcegroup.org/URG/p51.htm Warbirdsresourcegroup.org USAAF Resource Center]
* [http://www.warbirdregistry.org/p51registry/p51registry.html P-51 Warbirds, Warbird Registry]
* [http://www.thomasoneil.com/planes2.php?n=1051 Air Show Photos]
* [http://urrib2000.narod.ru/EqMustang-e.html Cuban F-51 Mustangs]
* [http://www.aviamil.net/entry.php?m=p-51 P-51B/D/H Specs, AVIA Military Aviation]
* [http://www.wwiiaircraftperformance.org/mustang/mustang-I.html P-51 (Allison engine) performance testing]
* [http://www.wwiiaircraftperformance.org/mustang/mustangtest.html P-51B Mustang performance testing]
* [http://www.wwiiaircraftperformance.org/mustang/combat-reports.html P-51 combat reports]
* [http://www.geocities.com/skrzydla1/309/309_pics.html Pictures of Mustang IIIs fitted with the Malcolm Hood] (scroll down page)
* [http://www.youtube.com/watch?v=usqV_zUpGCs&feature=related Movietone News - "The "Mustang"]
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