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.

The NP-1 was powered by a 220 hp (164 kW) Lycoming R-680-8 radial engine.

Data from United States Navy Aircraft since 1911[1]General characteristics Performance