- Keystone NK
Keystone NK Role Biplane trainer National origin United States Manufacturer Keystone Aircraft First flight 1928 Introduction 1930 Primary user United States Navy Number built 20
Design and development
The NK was an open-cockpit two-seat biplane with a convertible wheel or float landing gear. It was powered by a 220 hp (164 kW) Wright R-790 Whirlwind. The company prototype designated the Pup was entered into a United States Navy design competition for a trainer and was awarded a contract for three prototypes designated XNK-1. Following evaluation a production batch of 16 was ordered designated NK-1 which were delivered during 1930.
- Keystone prototype, one built.
- Prototypes for Naval variant of Pup, three built.
- Production aircraft with minor changes, 16 built.
- Crew: 2
- Length: 26 ft 6 in (8.08 m)
- Wingspan: 37 ft 0 in (11.28 m)
- Powerplant: 1 × Wright R-790 Whirlwind, 220 hp (164 kW)
- Maximum speed: 116 mph (186 km/h)
- Range: 375 miles (603 km)
- Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions.
- The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing.
- Andrade, John (1979). U.S.Military Aircraft Designations and Serials since 1909. Midland Counties Publications. ISBN ISBN 0-904597-22-9.
USN/USMC trainer aircraft designations 1922-1948 Boeing
NB • N2B
(NC not assigned) • N2C
Piper Huff-Daland Howard North American Keystone
(NM not assigned) • N2M
Naval Aircraft Factory Spartan
Fairchild Ryan Stearman New Standard Timm Consolidated Lists relating to aviation General Military Accidents/incidents Records
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