Boeing-Stearman PT-17 . This primary trainer was one of the mainstays of the US flight training programme during WW2. Rugged, with a steel frame fuselage, and powered by a Continental R670 radial of 220hp, many examples were used for 'crop dusting' after the War. This aircraft is seen at Plymouth Municipal Airport, Massachusetts #Massachusetts #USA #Plymouth #biplane #trainer #WW2 #cropdusting #Continentalradial #radialengine #aircraft #avgeek #Boeing #Stearman #aviation #PT17