The 1937 Seversky AP-1 was rejected P-35 36-354 refitted with a 750hp P&W R-1830 engine. First flown on 4 May 1937, piloted by A de Seversky, only the one was built, X/NR1390 c/n 44, for Wright Field and NACA testing. It was used as a company demonstrator until it was destroyed in a 1938 hangar fire.
Engine: 750hp P&W R-1830
Wingspan: 36’0″
Length: 25’4″
Top speed: 277 mph
All Aero 