- F-100 Super Sabre
name=F-100 Super Sabre
North American Aviation
caption=F-100A with the original short tail fin.
retired=1970 (USAF), 1979 (US ANG), 1982 (Turkey)
unit cost=US$697,029 (F-100D)Knaack, Marcelle Size. "Encyclopedia of US 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.]
United States Air Force
France, Denmark, Turkey, Taiwan
variants with their own articles=
North American YF-107The North American F-100 Super Sabre was a jet fighter aircraftthat served with the United States Air Force (USAF) from 1954 to 1971 and with the Air National Guard (ANG) until 1979. As the first of the Century Seriescollection of USAF jet fighters, it was the first of a series of US fighters capable of supersonicspeed in level flight and made extensive use of titaniumthroughout the aircraft. [ [http://www.boeing.com/history/bna/f100.htm Boeing Co. F-100 History] ]
The F-100 was designed originally as a higher performance follow-on to the
F-86air superiority fighter. [ [http://www.fas.org/nuke/guide/usa/airdef/f-100.htm FAS.org F-100] : "Designed originally to destroy enemy aircraft in aerial combat"] Adapted as a fighter bomber, the F-100 would be supplanted by the Mach 2 class F-105 Thunderchieffor strike missions over North Vietnam. The F-100 flew extensively over South Vietnam as the Air Force's primary close air support jet until replaced by the more efficient subsonic A-7 Corsair II[ [http://www.globalsecurity.org/military/systems/aircraft/a-7-var.htm Global Security A-7] : "The aging low-payload F-100 was the Air Force's primary air-to-ground CAS airplane at the time." ] The F-100 also served in several NATOair forces and with other US allies. In its later life, it was often referred to as "the Hun," a shortened version of "one hundred."
Design and development
In January 1951,
North American Aviationdelivered an unsolicited proposal for a supersonic day fighter to the United States Air Force. Named Sabre 45 because of its 45° wing sweep, it represented an evolution of the F-86 Sabre. The mockup was inspected 7 July 1951and after over a hundred modifications, the new aircraft was accepted as the F-100 on 30 November 1951. On 3 January 1952, the USAF ordered two prototypes followed by 23 F-100As in February and an additional 250 F-100As in August.
The YF-100A first flew on
25 May 1953, seven months ahead of schedule. It reached Mach 1.05 in spite of being fitted with a de-rated XJ57-P-7 engine. The second prototype flew on 14 October 1953, followed by the first production F-100A on 9 October 1953. The USAF operational evaluation from November 1953 to December 1955 found the new fighter to have superior performance but declared it not ready for widescale deployment due to various deficiencies in the design. These findings were subsequently confirmed during Project Hot Rod operational suitability tests. Particularly troubling was the yaw instability in certain regimes of flight which produced inertia coupling. The aircraft could develop a sudden yaw and roll which would happen too fast for the pilot to correct and would quickly overstress the aircraft structure to disintegration. It was under these conditions that North American's chief test pilot, George Welch, was killed while dive testing an early-production F-100A on 12 October 1954. A related control problem stemmed from handling characteristics of the swept wingat high angles of attack. As the aircraft approached stall speeds, loss of lift on the tips of the wings caused a violent pitch-up. This particular phenomenon (which could easily be fatal at low altitude where there was insufficient time to recover) became known as the " Sabre dance".
Nevertheless, delays in the F-84F Thunderstreak program pushed the
Tactical Air Commandto order the raw F-100A into service. TAC also requested that future F-100s should be fighter-bombers, with the capability of delivering nuclear bombs.
F-107was a follow-on Mach 2 development of the F-100 with the air intake moved above and behind the cockpit. It was not developed in favor of the F-105Thunderchief, which would become noted for its weaknesses in close-in air combat.
The F-100A officially entered USAF service on
27 September 1954with 479th Fighter Wingat George AFB. By 10 November 1954, the F-100As suffered six major accidents due to flight instability, structural failures, and hydraulic system failures, prompting the Air Force to ground the entire fleet until February 1955. The 479th finally became operational in September 1955. Due to ongoing problems, the Air Force began phasing out the F-100A in 1958, with the last aircraft leaving active duty in 1961. By that time, 47 aircraft were lost in major accidents. Escalating tension due to construction of the Berlin Wallin August 1961 forced the USAF to recall the F-100As into active service in early 1962. The aircraft was finally retired in 1970.
The TAC request for a fighter-bomber was addressed with the F-100C which flew in March 1954 and entered service on
14 July 1955with 450th Fighter Wing, Foster AFB. Operational testing in 1955 revealed that the F-100C was at best an interim solution, sharing all the vices of the F-100A. The uprated J57-P-21 engine boosted performance but continued to suffer from compressor stalls. On a positive note, the F-100C was considered an excellent platform for nuclear toss bombingbecause of its high top speed. The inertia coupling problem was more or less addressed with installation of a yaw damper in the 146th F-100C, later retrofitted to earlier aircraft. A pitch damper was added starting with the 301st F-100C, at a cost of US$10,000 per aircraft.
The addition of "wet" hardpoints meant the F-100C could carry a pair of 275 US gal (1,040 L) and a pair of 200 US gal (770 L) drop tanks. However, the combination caused loss of directional stability at high speeds and the four tanks were soon replaced by a pair of 450 US gal (1,730 L) drop tanks. The 450s proved scarce and expensive and were often replaced by smaller 335 US gal (1,290 L) tanks. Most troubling to TAC was the fact, that, as of 1965, only 125 F-100Cs were capable of utilizing all non-nuclear weapons in the Air Force inventory, particularly
cluster bombs and AIM-9 Sidewinderair-to-air missiles. By the time the F-100C was phased out in June 1970, 85 had been lost in major accidents.
The definitive F-100D aimed to address the offensive shortcomings of the F-100C by being primarily a ground attack aircraft with secondary fighter capability. To this effect, the aircraft was fitted with autopilot, upgraded avionics, and, starting with the 184th production aircraft, the Sidewinder capability. In 1959, 65 aircraft were modified to also fire the
AGM-12 Bullpupair-to-ground missile. To further address the dangerous flight characteristics, the wing span was extended by 26 inches (66 cm) and the vertical tail area was increased by 27%.
The F-100D flew on
24 January 1956, entering service on 29 September 1956with 405th Fighter Wingat Langley AFB. The aircraft suffered from reliability problems with the constant speed drive which provides constant-frequency current to electrical systems. In fact, the drive was so unreliable that USAF required it to have its own oil system to minimize damage in case of failure. Landing gear and brake parachute malfunctions claimed a number of aircraft, and the refueling probes had a tendency to break away during high speed maneuvers. Numerous post-production fixes created such a diversity of capabilities between individual aircraft that by 1965 around 700 F-100Ds underwent High Wire modifications to standardize the weapon systems. High Wire modifications took 60 days per aircraft at a total cost of US$150 million. In 1966, Combat Skyspot program fitted some F-100Ds with an X bandradar transmitter to allow for ground-directed bombing in inclement weather or at night.
In 1967, the USAF began a structural reinforcement program to extend the aircraft's service life from the designed 3,000 flying hours to 7,000. Over 500 F-100Ds were lost, predominantly in accidents. After one aircraft suffered wing failure, particular attention was paid to lining the wings with external bracing strips. During the Vietnam War, combat losses constituted as many as 50 aircraft per year. On
7 June 1957, an F-100D fitted with an Astrodynebooster rocket making 150,000 lbf (667.2 kN) of thrust successfully performed a zero length launch. The capability was incorporated into late-production aircraft. After a major accident, the USAF Thunderbirds reverted from F-105 Thunderchiefto the F-100D which they operated from 1964 until it was replaced by the F-4 Phantom IIin 1968. [Martin Caidin's book "Thunderbirds" was written while the team flew F-100s. He was the only journalist to ever fly with them.]
The F-100 was the subject of many modification programs over the course of its service. Many of these were improvements to electronics, structural strengthening, and projects to improve ease of maintenance. One of the more interesting of these was the replacement of the original afterburner of the J-57 engine with the more advanced afterburners from retired Convair
F-102Delta Dagger interceptors. This modification changed the appearance of the aft end of the F-100, doing away with the original "petal-style" exhaust. The afterburner modification started in the 1970s and solved maintenance problems with the old type as well as operational problems, including compressor stall problems.
The F-100F two-seat trainer entered service in 1958. It received many of the same weapons and airframe upgrades as the F-100D, including the new afterburners. By 1970, 74 F-100Fs were lost in major accidents.
By 1972, the F-100 was mostly phased out of USAF active service and tunred over to tactical fighter groups and squadrons in the
Air National Guard. In Air National Guard units, the F-100 was eventually replaced by the F-4 Phantom II, A-7 Corsair II, and A-10 Thunderbolt II, with the last F-100 retiring in 1979. In foreign service, Danish and Turkish F-100s soldiered on until 1982.
After Super Sabres were withdrawn from service, a large number were converted into remote-controlled drones (QF-100) under the USAF Full Scale Aerial Target (FSAT) program for use as targets for various anti-aircraft weapons, including missile-carrying fighters and fighter-interceptors, with FSAT operations being conducted primarily at
Tyndall AFB, FL. A few F-100s also found their way into civilian hands, primarily with defense contractors supporting USAF and NASA flight test activities at Edwards AFB, CA.
Project High Wire
High Wire was a modernization program for selected F-100Cs, Ds and Fs. It consisted of two modifications:
# Electrical rewiring upgrade
# Heavy maintenance and IRAN upgrade.Rewiring upgrade operation consisted of replacing old wiring and harnesses with improved maintainable designs. Heavy maintenance and IRAN (inspect and repair as necessary) included new kits, modifications, standardized configurations, repairs, replacements and complete refurbishment.
This project required all new manuals (TOs) and incremented (i.e. -85 to -86) block numbers. All later production models, especially the F models included earlier High Wire mods. New manuals included colored illustrations. All manuals will have the Roman numeral (I) added after the aircraft number (i.e. T.O. 1F-100D(I)-1S-120, 12 January 1970). [USAF F-100 Super Sabre - Flight Manual - Technical Order: 1F-100D(I)-1S-120; 12 January 1970)]
The F-100D arrived in Southeast Asia in 1962 and began flying combat missions, used primarily for close air support and ground attacks within South Vietnam.
18 August 1964the first F-100D to be shot down by ground fire was being piloted by 1st Lt Colin A. Clark, of the 428th TFS; Clark ejected and survived. On 4 April 1965an F-100 piloted by Capt Donald W. Kilgus shot down a North Vietnamese Air Force MiG-17, using cannon fire. Although not officially confirmed, this represented the first aerial victory "kill" by US forces in Vietnam.
The Hun was also deployed as a two-seat F-100F model which saw service as a "Fast-FAC" or "Misty-Fac" (
forward air controller) in North Vietnam, spotting targets for other fighter-bomber aircraft and conducting SAR (Search and Rescue) missions as part of the top-secret Commando Sabre or "Misty" Operation based out of Phu Cat Airbase. It was also the first Wild Weasel SEADaircraft whose specially-trained crews were tasked with locating and destroying enemy air defenses. Four F-100F Wild Weasel Is were fitted with an APR-25 vector radar homing and warning (RHAW) receivers, IR-133 panoramic receivers with greater detection range, and KA-60 panoramic cameras. The RHAW could detect early-warning radars and, more importantly, emissions from SA-2 Guidelinetracking and guidance systems. These aircraft deployed to Korat Royal Thai Air Force Basein Thailandin November 1965, and began flying combat missions with the 388th Tactical Fighter Wingin December. They were joined by three more aircraft in February 1966. All Wild Weasel F-100Fs were eventually modified to fire the AGM-45 Shrikeanti-radiation missile.
By war's end, 242 F-100 Super Sabres had been lost in Vietnam, as the F-100 was progressively replaced by the
F-4 Phantom IIand the F-105 Thunderchief. [Hobson 2002] The "Hun" had logged 360,283 combat sorties during the war and its operations came to end on July 31, 1971. [cite book|last=Thompson|first=Warren E.|title=Centuries Series, F-100 Super Sabre|series=Combat Aircraft|volume=9|issue=3|date=June-July 2008|publisher= Ian Allan Publishing|pages=pp.73-74]
*The first operational aircraft in
United States Air Forceinventory capable of exceeding the speed of soundin level flight.
29 October 1953, the first YF-100A prototype set a world speed record of 755.149 mph (656.207 knots, 1,215.295 km/h) at low altitude.
20 August 1955, an F-100C set the first supersonic world speed record of 822.135 mph (714.416 knots, 1,232.098 km/h).
4 September 1955, an F-100C won the Bendix Trophy, covering 2,235 miles (2,020 nm, 3,745 km) at an average speed of 610.726 mph (530.706 knots, 982.868 km/h).
26 December 1956, two F-100Ds became the first-ever aircraft to successfully perform buddy refueling.
13 May 1957, three F-100Cs set a new world distance record for single-engine aircraft by covering the 6,710 mile (5,835 nm, 10,805 km) distance from Londonto Los Angelesin 14 hours and 4 minutes. The flight was accomplished using inflight refueling.
7 August 1959, two F-100Fs became the first-ever jet fighters to fly over the North Pole.
U.S. Air Force Thunderbirdsoperated the F-100C from 1956 until 1964. After briefly converting to the F-105 Thunderchief, the team flew F-100Ds from July 1964 until November 1968, before converting to the F-4E Phantom II.
;YF-100:Prototype, later designated TF-100A; two built.;YQF-100:9 test unmanned drone version: 2 D-models, 1 YQF-100F F-model,see DF-100F, and 6 other test versions. [http://home.att.net/~jbaugher1/f100_10.html Baugher's: "QF-100 Drone"] ] ;F-100A:Single-seat day fighter; 203 built.;RF-100A (Slick Chick):F-100A modified for photoreconnaissance, six modified in 1954 (53-1545,1546,1547,1548,55-1551,55-1554). Unarmed, with camera installations in lower fuselage bay. Retired from USAF service in 1958. Four transferred to
Republic of China Air Force, retired in 1960.;F-100B:See North American YF-107;F-100BI:Proposed interceptor version of F-100B, did not advance beyond mockup.;F-100C:Additional fuel tanks in the wings, fighter-bomber capability, probe-and-drogue refueling capability, uprated J57-P-21 engine on late production aircraft. First flight March 1954; 476 built.;TF-100C:One F-100C converted into a two-seat training aircraft.;F-100D:Single-seat fighter-bomber, more advanced avionics, larger wing and tail fin, landing flaps. First flight 24 January 1956; 1,274 built. ;F-100F:Two-seat training version, armament decreased from four to two cannon. First flight 7 March 1957, 339 built.;DF-100F:This designation was given to one F-100F that was used as drone director, s/n 56-3984.;NF-100F:Three F-100Fs used for test purposes, the prefix "N" indicates that modifications prevented return to regular operational service.;TF-100F:Specific Danish designation given to 14 F-100Fs exported to Denmarkin 1974, in order to distinguish these from the 10 F-100Fs delivered 1959-1961.;QF-100:Another 209 D and F models were ordered and converted to unmanned radio-controled FSAT (Full Scale Aerial Target) [ [http://www.hazegray.org/faq/acr3.htm HaseGray: "FSAT"] ] drone and drone directors for testing and destruction by modern air-to-air missiles used by current Air Force fighter jets.;F-100J:Unbuilt all-weather export version for Japan.;F-100L:Unbuilt variant with a J57-P-55 engine.;F-100N:Unbuilt version with simplified avionics.;F-100S:Proposed French-built F-100F with Rolls-Royce Spey turbofanengine.
Republic of China Air Forcewas the only allied air force to operate the F-100A model. The first F-100 was delivered in October 1958. It was followed by 15 F-100As in 1959, and by 65 more F-100As in 1960. In 1961, four unarmed RF-100As were delivered. [ [http://home.att.net/~jbaugher1/f100_3.html Baugher's: "RF-100As in ROC-TW"] ] Additionally, 38 ex-ANG F-100As were delivered later, to bring total strength to 118 F-100As and four RF-100As. F-100As were retrofitted with the F-100D vertical tail with its AN/APS-54 tail-warning radar and equipped to launch Sidewinder air-to-air missiles. Several were lost in intelligence missions over the People's Republic of China.
Royal Danish Air Forceoperated total 72 aircraft. 48 F-100Ds and 24 Fs were delivered to Denmark from 1959 to 1974. The last Danish F-100s were retired from service in 1982. The F-100s were replaced by Saab F-35 Drakens. Some ex-Danish F-100s were transferred to Turkey (21 F-100Ds and 2 F-100Fs).
Armee de l'Airwas the first allied air force to receive the F-100 Super Sabre. The first plane arrived in France on May 1, 1958. Total 100 aircraft (85 F-100Ds and 15 F-100Fs) were supplied to France, and assigned to the NATO 4th Allied Tactical Air Force. They were stationed in German French bases. French F-100s were used on combat missions flying from bases in France against targets in Algeria. In 1967 France left NATO, and German-based F-100s were transferred to France, using bases recently vacated by USAF.
Turkish Air Force(Turk Hava Kuvvetleri) received about 206 F-100C, D and F Super Sabres. Most came from US stocks, and 21 F-100Ds and 2 F-100Fs were supplied by Denmark. Turkish F-100s saw extensive action during the 1974 invasion of Cyprus.
List of F-100 Units of the United States Air Force
* [http://www.aero-web.org/locator/manufact/northam/f-100.htm AeroWeb list of F-100 Super Sabres on display in the US.]
* F-100C-180-NA (53-1709): displayed as F-100D 55-2789,
Castle Air Museum, Atwater, California.
* F-100D-65-NA (56-2992):
Carolinas Aviation Museum, Charlotte, North Carolina. [ [http://www.carolinasaviation.org/collections/aircraft/f100d-.html "Carolinas Aviation Museum: F-100D in Restorations."] ]
* F-100D-16-NA (54-1174):
Midland Air Museum, Coventry, England. [ [http://www.luftfahrtmuseum.com/htmi/imh/gcm.htm Luftfahrt Museum: "Midland Air Museum"] ]
National Taiwan Universitycampus, Taipei, Taiwan.
plane or copter?=plane
jet or prop?=jet
ref="Quest for Performance" [Loftin, L.K. Jr. [http://www.hq.nasa.gov/pao/History/SP-468/cover.htm "Quest for Performance: The Evolution of Modern Aircraft."] , NASA SP-468. Retrieved:
22 April 2006.]
length main=50 ft
length alt=15.2 m
span main=38 ft 9 in
span alt=11.81 m
height main=16 ft 2¾ in
height alt=4.95 m
area main=400 ft²
area alt=37 m²
empty weight main=21,000 lb
empty weight alt=9,500 kg
loaded weight main=28,847 lb
loaded weight alt=13,085 kg
max takeoff weight main=34,832 lb
max takeoff weight alt=15,800 kg
Zero-lift drag coefficient: 0.0130
*Drag area: 5.0 ft² (0.46 m²)
*Aspect ratio: 3.76
Pratt & Whitney J57-P-21/21A
type of jet=
number of jets=1
thrust main=10,200 lbf
thrust alt=45 kN
afterburning thrust main=16,000 lbf
afterburning thrust alt=71 kN
max speed main=750 kn
max speed alt=864
mph, 1,390 km/h
range main=1,733 NM
range alt=1,995 mi, 3,210 km
ceiling main=50,000 ft
ceiling alt=15,000 m
climb rate main=22,400 ft/min
climb rate alt=114 m/s
loading main=72.1 lb/ft²
loading alt=352 kg/m²
Lift-to-drag ratio: 13.9
* Minneapolis-Honeywell MB-3 automatic pilot [http://collections.nasm.si.edu/code/emuseum.asp?style=expanded¤trecord=1&page=search&profile=objects&searchdesc=F-100%20Super%20Sabre&quicksearch=Super%20Sabre NASM: "F-100D"] ]
* AN/AJB-1B low-altitude bombing system
* AN/APR-26 rearward radar warning
guns=4× 20 mm (0.787 in)
bombs=7,040 lb (3,190 kg) of weapons, including
** Conventional bombs "or"
Mark 7 nuclear bomb"or"
** Mk 28 nuclear bomb "or"
** Mk 38 nuclear bomb "or"
** Mk 43 nuclear bomb "or"
** Mk 57 nuclear bombFact|date=February 2008 "or"
** Mk 61 nuclear bombFact|date=February 2008
North American YF-107
Dassault Super Mystère
Dassault Étendard IV
List of military aircraft of the United States
List of fighter aircraft
Flight airspeed record
* Drendel, Lou. "Century Series in Color" (Fighting Colors). Carrollton, Texas: Squadron/Signal Publications, 1980. ISBN 0-89747-097-4.
* Green, William. "The World's Fighting Planes". London, Macdonald, 1964.
* Gunston, Bill. "Fighters of the Fifties". Osceola, Wisconsin, Specialty Press Publishers & Wholesalers, Inc., 1981. ISBN 0-933424-32-9.
* Hobson, Chris. "Vietnam Air Losses: United States Air Force, Navy and Marine Corps Fixed-Wing Aircraft Losses in Southeast Asia, 1961-1973". North Branch, Minnesota: Specialty Press, 2002. ISBN 1-85780-1156.
* Pace, Steve. "X-Fighters: USAF Experimental and Prototype Fighters, XP-59 to YF-23". Oscela, Wisconsin: Motorbooks International, 1991. ISBN 0-87938-540-5.
* [http://www.supersabre.org F-100 Serial Database]
* [http://www.f-100.org F-100 Photo Database]
* [http://hometown.aol.com/cba1974/myhomepage/highwire.html Project High Wire - Details for the F-100D and C models]
* [http://www.warbirdalley.com/f100.htm Warbird Alley: F-100 page - Information about privately-owned F-100s]
* [http://www.aero-web.org/locator/manufact/northam/f-100.htm F-100 Super Sabre Survivors, Static displays, locations, serial numbers, and links]
* [http://home.att.net/~jbaugher1/f100.html Baugher's: "F-100 Super Sabre Index"]
* [http://home.att.net/~jbaugher1/f100_9.html Baugher's: "Foreign Air Forces with F-100s"]
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