Military Wiki
Spartan NP-1
A Spartan NP-1 in 1940
Role Biplane trainer
National origin United States
Manufacturer Spartan Aircraft Company
Primary user United States Navy
Number built 201
Developed from Spartan C-3

The Spartan NP-1 was a two-seat primary trainer designed and built by the Spartan Aircraft Company for the United States Navy reserve units.


On 10 July 1940 the company received an order from the United States Navy for 201 aircraft for use as a biplane primary trainer, it was to be a modernised version of the companies earlier C-3. It was a conventional biplane with two-seats in tandem open cockpits. Designated by the company as the NS-1 it was given the military designation NP-1. The NP-1 was powered by a 220 hp (164 kW) Lycoming R-680-8 radial engine.


United States

Specifications (NP-1)

Data from United States Navy Aircraft since 1911[1]

General characteristics

  • Crew: 2 (pilot, student)
  • Length: 24 ft 3 in (7.39 m)
  • Wingspan: 33 ft 9 in (10.29 m)
  • Gross weight: 3006 lb (1366 kg)
  • Powerplant: 1 × Lycoming R-680-8 radial engine, 220 hp (164 kW)


  • Maximum speed: 108 mph (174 km/h)

See also


  1. Swanborough and Bowers 1976, p. 468.
  • Swanborough, Gordon; Bowers, Peter M. (1976). United States Navy Aircraft since 1911 (Second ed.). London: Putnam. ISBN 0-370-10054-9. 
  • Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. 
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985). Orbis Publishing. 

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