The IATA Operational Safety Audit (IOSA) is the benchmark for global safety management in airlines. All IATA members are registered and must remain registered in order to maintain IATA membership. See the applicability of IOSA standards and recommended practices (ISARPs).

Current list of IOSA registered airlines:

Search Airlines

Found 412 operators

Name IATA code ICAO code Country / Territory Region Expiry Date
West Air Co Ltd PN CHB China (People's Republic of) China & North Asia 23 April 2025
WestJet WS WJA Canada The Americas 27 November 2024
WestJet Encore WR WEN Canada The Americas 3 December 2024
White Airways SA
​Registration has been suspended until 27 August 2023
WI WHT Portugal Europe 29 May 2023
Wideroes Flyveselskap AS WF WIF Norway Europe 28 January 2024
Wizz Air Hungary Airlines Ltd W6 WZZ Hungary Europe 16 October 2023
Wizz Air UK W9 WUK United Kingdom Europe 7 November 2024
World2fly 2W WFL Spain Europe 12 November 2023
Xiamen Airlines
​The Operator’s Initial Registration Audit/ Renewal Audit has been performed as a full scope Hybrid Audit
MF CXA China (People's Republic of) China & North Asia 5 March 2025
YTO Cargo Airline YG HYT China (People's Republic of) China & North Asia 22 March 2025