CommercialSeaplanes & flying boatsDouglas Aircraft Dolphin1930 multi-role flying boat family by Douglas1930
CommercialCivil helicoptersDoman LZ-51953 utility helicopter prototype model by Doman Helicopters1953
MilitaryReconnaissance & surveillanceService technique de l'aéronautique Dorand ARTwo-seat military observation aircraft1916
CommercialLight & general aviationDoyle O-2 OrioleAmerican parasol-wing airplane first flown in 19281928