de Lackner DH-4 Heli-Vector - photo
Deperdussin GB.1913P - F-AZAR
Deutsches Forschungsinstitut für Segelflug
     Meise - HA-4154
Doak 16 VZ-4 - US Army: 56-9642
Dominion Aircraft Skytrader 800 - N800ST
Dornier
     Do 28 B-1 - C-FWAM, C-FWAM
     Do 215 B - Luftwaffe: "25+F03"
Douglas
Downer 14-19-3 Bellanca 260 - N7619E
Druine D.31 Turbulent - photo
Duncan DX-1 - N3793G
Duramold F-46 - N19131