Airline codes-U

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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:

All0–9ABCDEFGHIJKLMNOPQRSTUVWXYZ

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:

  • Operator: American Airlines
  • Three-letter-ICAO-designator: AAL (the original ICAO-two-letter-designator AA was used until 1987 and is also the IATA code of the airline)

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


DOD USAF Air Mobility Operations Control Center United States
DOI U.S. Department of the Interior INTERIOR United States Office of Aircraft Services
CNV U.S. Navy Reserve Logistic Air Forces CONVOY United States U.S. Navy Reserve Logistic Air Forces, New Orleans, LA, USA
EXM United Kingdom Civil Aviation Authority EXAM United Kingdom CAA Flight Examiners
GIH Union des Transports Africains de Guinee TRANSPORT AFRICAIN Guinea
GKA US Army Parachute Team GOLDEN KNIGHTS United States
U5 GWY USA3000 Airlines GETAWAY United States
UAB United Arabian Airlines UNITED ARABIAN Sudan
UA UAL United Airlines UNITED United States
4H UBD United Airways UNITED BANGLADESH Bangladesh
UAC United Air Charters UNITAIR Zimbabwe
UCS United Carriers Systems UNITED CARRIERS United States
UEA United Eagle Airlines UNITED EAGLE China
U2 UFS United Feeder Service FEEDER EXPRESS United States formerly part of United Express
CFU United Kingdom Civil Aviation Authority MINAIR United Kingdom Civil Aviation Authority Flying Unit
KRF United Kingdom Royal VIP Flights KITTYHAWK United Kingdom In Military Aircraft
KRH United Kingdom Royal VIP Flight SPARROWHAWK United Kingdom In Civil Chartered Aircraft
SDS United Kingdom Civil Aviation Authority STANDARDS United Kingdom Training Standards
TQF United Kingdom Royal VIP Flights RAINBOW United Kingdom Helicopter Flights
CGX United States Coast Guard Auxiliary COASTGUARD AUXAIR United States
AGR United States Department Of Agriculture AGRICULTURE United States
UAD University Air Squadron United Kingdom Colerne
UAJ University Air Squadron United Kingdom Glasgow
UAA University Air Squadron United Kingdom Leuchars
UAS University Air Squadron United Kingdom RAF Cranwell
HBU Universal Avia KHARKIV UNIVERSAL Ukraine
HLE UK HEMS HELIMED United Kingdom
U7 JUS USA Jet Airlines JET USA United States
LEA Unijet LEADAIR France
MSH US Marshals Service MARSHALAIR United States US Department of Justice
NDU University of North Dakota SIOUX United States
PNA Universal Airlines PACIFIC NORTHERN United States
Upali Air UPALI Sri Lanka defunct
RAU Uganda Royal Airways UGANDA ROYAL Uganda
SAU United Aviation Services UNISERVE Spain
U6 SVR Ural Airlines SVERDLOVSK AIR Russia
TRB Ukraine Transavia KIROVTRANS Ukraine
UAF United Arab Emirates Air Force UNIFORCE United Arab Emirates
UAI Union Africaine des Transports UNAIR Ivory Coast
UCC Uganda Air Cargo UGANDA CARGO Uganda
UCH US Airports Air Charter US CHARTER United States
UCO Ucoaviacion UCOAVIACION Spain
UES Ues-Avia Aircompany AVIASYSTEM Ukraine
QU UGA Uganda Airlines UGANDA Uganda Ceased operations 2001
UGC Urgemer Canarias URGEMER Spain
UHL Ukrainian Helicopters UKRAINE COPTERS Ukraine
UHS Ulyanovsk Higher Civil Aviation School PILOT AIR Russia
UJR Universal Jet Rental de Mexico UNIVERSAL JET Mexico
UJT Universal Jet Aviation UNI-JET United States
UKI UK International Airlines KHALIQ United Kingdom
UKL Ukraine Air Alliance UKRAINE ALLIANCE Ukraine
UF UKM UM Airlines UKRAINE MEDITERRANEE Ukraine Ukraine Mediterranean Airlines
UKN Ukraine Air Enterprise ENTERPRISE UKRAINE Ukraine
UKP United Kingdom Home Office POLICE United Kingdom
6Z UKS Ukrainian Cargo Airways CARGOTRANS Ukraine
ULT Ultrair ULTRAIR United States
ULH Ultimate HELI ULTIMATEHELI South Africa Ultimate HELI (Pty) Ltd
UMS Unitemp-M TOPAZ Russia
UNC Uni-Fly UNICOPTER Denmark
UNF Union Flights UNION FLIGHTS United States
UNJ Universal Jet PROJET Spain
UNS Unsped Paket Servisi UNSPED Turkey
UNU Unifly Servizi Aerei UNIEURO Italy
UPL Ukrainian Pilot School PILOT SCHOOL Ukraine
5X UPS United Parcel Service UPS United States
URV Uraiavia URAI Russia
US AWE US Airways CACTUS United States
USF USAfrica Airways AFRICA EXPRESS United States
UH USH US Helicopter US-HELI United States
USJ US Jet USJET United States
USX US Express AIR EXPRESS United States
UT UTA UTair Aviation UTAIR Russia WAS P2 till 2006
UTG UTAGE UTAGE Equatorial Guinea
UTR Utair South Africa AIRUT South Africa
UTS Ukrainian State Air Traffic Service Enterprise AIRRUH Ukraine
UTU Urartu-Air Armenia
UVA Universal Airways UNIVERSAL United States
UVG Universal Airlines GUYANA JET Guyana
UVM Uvavemex UVAVEMEX Mexico
AIO United States Air Force AIR CHIEF United States Chief of Staff
UVN United Aviation UNITED AVIATION Kuwait
HY UZB Uzbekistan Airways UZBEK Uzbekistan
PS AUI Ukraine International Airlines UKRAINE INTERNATIONAL Ukraine
WEC Universal Airlines AIRGO United States
UH US Helicopter Corporation United States
US Unavia Suisse Switzerland
US USA US Airways CACTUS United States
QID USAF 100th Air Refueling Wing QUID United States

* on IATA code indicates a controlled duplicate.

italics indicates a defunct airline.

See also

External links