AERO-ALPHABET - Di

Diablo (Diablo Aircraft Co. - Stockton . CA . USA)
Diablo 1929 Biplane

Diamond Aircraft {ErZ}
Diamond D-Jet
Diamond DA20
Diamond DA40 Star
Diamond DA42 TwinStar
Diamond DA50
Diamond Dart 280
Diamond Dart 450
Diamond DV20
Diamond HK36 Super Dimona

Díaz (Amalio Díaz) {ErZ}
Díaz type C

Dickey (Shirl Dickey Enterprises - Phoenix . AZ . USA)
Dickey E-Racer Mark 1
Dickey E-Racer Mark 2
Dickey King Racer

Didier ULM (Francheval, France)
Didier Pti'tAvion

Diehl (Diehl Aero-Nautical - Jenks . OK . USA)
Diehl XTC Hydrolight

Diemert (Bob Diemert)
Diemert Defender

Dietrich (Dietrich-Gobiet Flugzeugwerke AG / (1922): Richard-Dietrich-Flugzeugbau-GmbH. / Dietrich Flugzeugwerke AG - Mannheim, Germany) {ErZ}
Dietrich DP I Sperber
Dietrich DP II Bussard
Dietrich DP II(a)
Dietrich DP III
Dietrich DP IV
Dietrich DP V
Dietrich DP VI
Dietrich DP IX
Dietrich DP XI
Dietrich DS I
Dietrich-Gobiet DP.VII
Dietrich-Gobiet DP.VIIA

Dietz (Conrad G. Dietz Laboratories - Cincinnati . OH . USA / (1925): Dietz Aeroplane Co. - [8.1.5. Herman Ave. / 3.3. Hess St.] Dayton . OH . USA)
Dietz 1927 Biplane
Dietz 1928 Biplane
Dietz C-4
Dietz Nighthawk
Dietz Paraplane
Dietz Special (Dietz Comet)

Dietz-Schreiber
Dietz-Schreiber Skylark

DiFoGa (Frits Diepens Ford Garage)
DiFoGa 421

DINFIA (Dirección Nacional de Fabricación e Investigación Aeronáutica - National Directorate of Aeronautical Manufacturing and Research)
DINFIA Constancia 2
DINFIA IA 24
DINFIA IA 25 Mañque
DINFIA IA 28
DINFIA IA 31
DINFIA IA 32 Chingolo
DINFIA IA 35 Guaraní 1
DINFIA IA 35 Huanquero
DINFIA IA 35 Type 1A
DINFIA IA 35 Type 1U
DINFIA IA 35 Type 2
DINFIA IA 35 Type 3
DINFIA IA 35 Type 4
DINFIA IA 38 Naranjero
DINFIA IA 45 Querandi
DINFIA Pandora
FMA IA 50 Guaraní 2

DirectFly (DirectFly SRO - Hluk, Czech Republic) {ErZ}
DirectFly Alto
DirectFly ArGO

Discovery Aviation
Discovery Aviation Model 201

Distar (Distar Air)
Distar Samba XXL
Distar UFM-13 Lambada

Dittmar {ErZ}
Dittmar HD 153 Motor-Möwe

Dixie (Charles W. Lay - Cincinnati . OH . USA)
Dixie 1924 Monoplane

Dixon (Jess Dixon - Andalusia . AL . USA)
Dixon 1936 Helicopter

Dixon (Tom Dixon - Burlington . NC . USA)
Dixon Special