ICAO
IATA
OHL AIR CHARTERFLUG
OK AVIATION WINGS
BK
Okay Airways
OA
Olympic Air
OLYMPUS AIRWAYS
WY
Oman Air
ONE AIR LTD
8Q
ONUR HAVA TASIMACILIK AWMS
ORASCOM AVIATION
6O
Orbest
O7
Orenburzhye
OG
Originair
ORTAC LTD
ORYX JET LIMITED
OVERSTAR SRL
OYONNAIR