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Oakland Airmotive
Oakland Centaurus
Oakland Super V

Oberlerchner, Joseph

 

 

Oertz-Werke Gmbh
M1911-12
M1912-13

 

Oficinas Gerais da Aviation Naval
Fw 58B-2

Offpiste Ltd
Discovery

Ogden
Osprey

 

Okamura
N52

OK FLY SRO
Lesus

Oldershaw
O-2
O-3

Oldfield
Baby Great Lakes / Barney Oldfield Special / Baby Lakes
Buddy Baby Lakes
Great Lakes Sport Trainer
Super Baby Lakes

Old Rhinebaek Aerodrome
Hanriot V

 

Ollivier
CO-02 Collivier

 

OMAC Inc
OMAC 1 / Laser 300

OMAREAL / Oficina de Manutenco e Recuperaceo de Avioes Ltda
Casmuniz 52

Omega Aircraft Corp
Sznycer-Gottlieb SG VI
BS-12

OMF
Symphony 160

Omnipol

One Design
DR 107

O’Neill Airplane Co
Aristocraft II
Magnum

Ong Aircraft Corp
Model M-32W

 

 

 

On Mark Engineering Co
Marketeer / Marksman

 

Ontario Aircraft Corp

 

OpteryX Engineering
OpteryX MXIII

Option Air
Acapella

Optica Industries Ltd
EA7 Optica
Scout

Orca Aircraft Ltd
SAH-1

ORENCO / Ordnance Engineering Corp
Model D
F-4 tourister

 

 

Orlando Helicopter Airways Inc
OHA-S-55 Bearcat

 

 

 

Orlogsvaerftet / Royal Danish Naval Dockyard
Danecock

 

Oskbes Mai
MAI-223

 

Microgiro

Osprey Aircraft
Osprey 1
GP-3 Osprey 2
GP-4

Osrodek Konstruckcji Lotniczych
MD-12
PZL-101 Gawron
PZL-104 Wilga
TS-11 Iskra

 

 

 

 

Ouest Aviation
SO.1120 Ariel III
SO.1220 / SO.1221 Djinn / YOH-1
SO.4000
SO.4050 Vautour

Outback Aircraft
Savannah / Bingo

Owen, Barnard
Glider

Owl, George
Racer

Ozone