MilitaryBombersOperational history of the Savoia-Marchetti SM.81Bomber/transport aircraft from Italy1934
MilitaryDrones (UAV)Orbital Sciences X-34Low-cost testbed for the Reusable Launch Vehicle program1999
CommercialLight & general aviationCurtiss OrioleAmerican general-purpose biplane first flown in 19191919
MilitaryMaritime patrolVought OS2U KingfisherNaval observation floatplane family by Chance-Vought1938
MilitaryReconnaissance & surveillanceGrumman OV-1 MohawkAttack/reconnaissance aircraft family by the Grumman Corporation1959
CommercialLight & general aviationAbrams Air Craft Corporation P-1 Explorer1937 aerial photography aircraft by Abrams Air Craft Corporation1937