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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).
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Found 433 operators
| Name | IATA code | ICAO code | Country / Territory | Region | Expiry Date |
|
Ukraine International Airlines
Registration has been suspended until further notice. |
PS | AUI | Ukraine | Europe | 17 June 2023 |
| ULS Airlines Cargo | GO | KZU | Türkiye | Europe | 13 May 2024 |
|
UNI Airways Corporation
The Operator’s Initial Registration Audit/ Renewal Audit has been performed as a full scope Hybrid Audit |
B7 | UIA | Chinese Taipei | China & North Asia | 19 January 2025 |
| United Airlines | UA | UAL | United States | The Americas | 26 February 2025 |
| United Nigeria Airlines Company Limited | UN | NUA | Nigeria | Africa & Middle East | 12 August 2024 |
| United Parcel Service Co | 5X | UPS | United States | The Americas | 17 August 2025 |
| Urumqi Airlines Co Ltd | UQ | CUH | China (People's Republic of) | China & North Asia | 30 April 2025 |
| US-Bangla Airlines | BS | UBG | Bangladesh | Asia Pacific | 9 February 2025 |
| Uzbekistan Airways | HY | UZB | Uzbekistan | Europe | 17 May 2024 |
| Vietjet Air | VJ | VJC | Vietnam | Asia Pacific | 27 November 2024 |