AERO-ALPHABET - Om

OMA SUD (OMA SUD SPA - Capua (CE), Italy) {ErZ}
OMA SUD Redbird
OMA SUD Skycar

OMAC (Old Man's Aircraft Company - OMAC Inc. - Reno . NV . USA) {ErZ}
OMAC Laser 300
OMAC-1

OMAREAL (Officina de Manutenção e Recuperção de Avioes Ltda.)
OMAREAL Casmuniz 52
OMAREAL W-141

Omega (Omega Aircraft Corp.)
Omega BS-12
Omega BS-12B
Omega BS-12D-1
Omega BS-12D-3
Omega BS-12F
Omega BS-12J
Omega BS-14 Falcon
Omega BS-17A Airliner

OMF (Ostmecklenburgische Flugzeugbau)
OMF-100-160 Symphony

Omni Weld (Omni-Weld Company)
Omni Weld Questor