Aircraft
Name	Data	History	Links	manufactures	Photo Page	Production	Versions
Oak Ridge National Laboratory						Production
Oberlerchner						Production
OGMA - Oficinas Gerais de Material Aeronáutico						Production
Omega Balloons						Production
Omega Helicopters						Production
Onex						Production
Onuku						Production
Opener						Production
Osprey						Production
Ostmecklenburgische Flugzeugbau (OMF)						Production
Ozone Gliders						Production