Single engine high wing monoplane; yellow and black; 40 hp continental A4C engine. William Piper and the Piper Aircraft Corporation board of directors anointed this Cub, completed on November 2, 1937, as
Piper J3 Cub 40 model aircraft. | Download Scientific Diagram
Super Flying Model Piper J-3 Cub 40 Kit (A-SFM867K) - Ripmax Ltd
GP-204 Great Planes Piper J-3 Cub .40 size fiberglass cowl - Fibertech 'n More