Airline codes-O

A list of all Airline codes. The table lists the IATA airline designators, the ICAO airline designators and the airline call signs (telephony designator). Historical assignments are also included for completeness.

Airline codes for airlines beginning with:

IATA airline designator

IATA airline designators, sometimes called IATA reservation codes, are two-character codes assigned by the International Air Transport Association (IATA) to the world's airlines in accordance with the provisions of IATA Resolution 762. They form the first two characters of the flight number.

Designators are used to identify an airline for all commercial purposes, including reservations, timetables, tickets, tariffs, air waybills, and in airline interline telecommunications. There are three types of designator: unique, alpha/numeric, and controlled duplicate.

IATA maintains two policies to deal with the limited number of available codes:

  1. after an airline is delisted, the code becomes available for reuse after six months;
  2. IATA issues "controlled duplicates".

Controlled duplicates are issued to regional airlines whose destinations are not likely to overlap, in such a way that the same code would be shared by two different airlines. The controlled duplicate is denoted here with an asterisk (*) following the code and in IATA literature as well.

ICAO airline designator

The ICAO airline designator is a code assigned by the International Civil Aviation Organization to aircraft operating agencies, aeronautical authorities, and services. The codes are unique by airline which is not true for the IATA airline designator codes.

Each aircraft operating agency, aeronautical authority, and services related to international aviation is allocated both a three-letter designator and a telephony designator. The designators are listed in ICAO Document 8585: Designators for Aircraft Operating Agencies, Aeronautical Authorities and Services. The ICAO codes originally based on a two-letter-system and were identical to the airline codes used by IATA. After an airline joined IATA its existing ICAO-two-letter-code was taken over as IATA code. So in the 1970s the abbreviation BA was the ICAO code and the IATA code of British Airways while non-IATA-airlines like Court Line used their 2-letter-abbreviation as ICAO code only. In the early 1980s ICAO introduced the current three-letter-system due to the increasing number of airlines. It became the official new standard system in November 1987.

An example is:

Certain combinations of letters are not allocated to avoid confusion with other systems (for example SOS). Other designators (particularly those starting with Y and Z) are reserved for government organizations.

Designator YYY is used for operators that do not have a code allocated.

Call signs

Most airlines employ a distinctive and internationally recognized call sign that is normally spoken during airband radio transmissions as a prefix to the flight number. The flight number is normally then published in their public timetable and appears on the arrivals and departure screens in the airport terminals served by that particular flight. In cases of emergency, the airline name and flight number, rather than the individual aircraft's registration, are normally mentioned by the main news media.

Some call signs are less obviously associated with a particular airline than others. This might be for historic reasons, or possibly to avoid confusion with a call sign used by an established airline.

Not all of these operators of aircraft are civilian and some only operate ad hoc chartered flights rather than scheduled flights; some operate both types of flights. Some cargo airlines specialize in freight transport, an emphasis that may be reflected in the company's name.

Companies' assigned names may change over time as a result of mergers, acquisitions, or change in company name or status. Country names can also change over time and new call signs may be agreed in substitution for traditional ones. The country shown alongside an airline's call sign is that wherein most of its aircraft are believed to be registered, which may not always be the same as the country in which the firm is officially incorporated or registered. There are many other airlines in business whose radio call signs are more obviously derived from the trading name.

The callsign should normally resemble the operators name or function and not be confused with callsigns used by other operators. The callsign should be easily and phonetically pronounceable in at least English, French, Spanish or Russian.

Codes

Airline codes
IATA ICAO Airline Call Sign Country Comments
ORN Orange Air ORANGE JET United States Allocated in 2014[1]
ONS One Airlines Chile
FET Old Dominion Freight Lines FREIGHT LINE United States
OCN O Air O-BIRD France
UQ OCM O'Connor Airlines OCONNOR Australia Defunct - Bankrupt
DRL Omni Air Transport DRILLER United States
OWE Owenair OWENAIR South Africa
CR ABC OAG United Kingdom
JPA OSACOM J-PAT United States United States Army
O8 OHK Oasis Hong Kong Airlines OASIS Hong Kong Defunct
BCN Ocean Air BLUE OCEAN Mauritania
VC VCX Ocean Airlines OCEANCARGO Italy
OCS Ocean Sky (UK) OCEANSKY United Kingdom
TUK Ocean Wings Commuter Service TUCKERNUCK United States New Island Connections
O6 ONE Avianca Brazil OCEANAIR Brazil formerly Oceanair
O2 Oceanic Airlines Guinea
ODS Odessa Airlines ODESSA AIR Ukraine
ODY Odyssey International ODYSSEY Canada
FOC Office Federal De'Aviation Civile FOCA Switzerland
GBO Ogooue Air Cargo Gabon
OKJ Okada Airlines OKADA AIR Nigeria
OKP Okapi Airways OKAPI Democratic Republic of Congo
OKA Okay Airways OKAYJET China
OKL Oklahoma Department of Public Safety OKLAHOMA United States Troop O
OLX Olimex Aerotaxi OLIMEX Czech Republic
KVK Olimp Air PONTA Kazakhstan
OA OAL Olympic Air OLYMPIC Greece
OLY Olympic Aviation OLAVIA Greece
WY OMA Oman Air OMAN AIR Oman
ORF Oman Royal Flight OMAN Oman
OAV Omni - Aviacao e Tecnologia OMNI Portugal
OY OAE Omni Air International OMNI-EXPRESS United States
OMF Omniflys OMNIFLYS Mexico
N3 OMS Omskavia Airline OMSK Russia
ORL On Air Limited ON AIR Canada
OTG One Two Go Airlines THAI EXPRESS Thailand
OTM Onetime Airlines Zambia ZEDTIME Zambia
MED Ontario Ministry of Health MEDICAL Canada
8Q OHY Onur Air ONUR AIR Turkey
OPA Opal Air Australia
OSA Open Sky Aviation Lebanon
BOS OpenSkies MISTRAL United Kingdom
ORR Operadora Turistica Aurora TURISTICA AURORA Mexico
OLE Operadora de Lineas Ejecutivas OPERADORA Mexico
OTP Operadora de Transportes Aéreos OPERADORA AEREO Mexico
OPV Operadora de Veulos Ejectutivos OPERADORA DE VUELOS Mexico
LLO Operation Enduring Freedom APOLLO Canada
OAX Operational Aviation Services Australia
ORD Orange Air Services ORANGE SERVICES Sierra Leone
ORJ Orange Air Sierra Leone ORANGE SIERRA Sierra Leone
ORE Orange Aviation ORANGE AVIATION Israel
ORX Orbit Express Airlines OREX Turkey
ORK Orca Air ORCA TAXI Egypt
BUE Orebro Aviation BLUELIGHT Sweden
ORM Orel State Air Enterprise ORPRISE Russia
R2 ORB Orenburg Airlines ORENBURG Russia
OTA Organizacion De Transportes Aéreos ORGANIZACION Mexico
OML Organizacoes Mambra MAMBRA Angola
OVV Orient Air ORIENTSYR Syrian Arab Republic
OTR Orient Airlines ORIENTROC Sudan
ORN Orient Airways ORIENT LINER Pakistan
OX OEA Orient Thai Airlines ORIENT THAI Thailand
NGK Oriental Air Bridge ORIENTAL BRIDGE Japan
OAC Oriental Airlines ORIENTAL AIR Nigeria
QO OGN Origin Pacific Airways ORIGIN New Zealand
OED Orion Air Charter ORION CHARTER South Africa
OIX Orion-x ORIONIX Russia
KOV Orlan-2000 ORLAN Kazakhstan
RNG Orange Aircraft Leasing ORANGE Netherlands
OAD Orscom Tourist Installations Company ORSCOM Egypt
OSH Osh Avia OSH AVIA Kyrgyzstan
OCO Ostend Air College AIR COLLEGE Belgium
OL OLT OLT Express Germany OLTRA Germany
FNL Oulun Tilauslento FINN FLIGHT Finland
ON RON Our Airline OUR AIRLINE Nauru formerly Air Nauru
OOT Out Of The Blue Air Safaris OOTBAS South Africa
OJ OLA Overland Airways OVERLAND Nigeria
OXE Oxaero OXOE United Kingdom
WDK Oxford Air Services WOODSTOCK United Kingdom
OAA Oxley Aviation Australia
OZ OZR Ozark Air Lines OZARK United States Defunct
O7 OZJ Ozjet Airlines AUSJET Australia
OA OAL Olympic Airlines OLYMPIC Greece Defunct
OB AAN Oasis International Airlines OASIS Spain Ceased operations

* on IATA code indicates a controlled duplicate. italics indicates a defunct airline.

See also

Notes

  1. ↑ FAA Notice 7340.343

External links

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