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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 432 operators
| Name | IATA code | ICAO code | Country / Territory | Region | Expiry Date |
| Transavia France | TO | TVF | France | Europe | 16 December 2024 |
| Transportes Aereos del Mercosur SA dba LATAM Airlines Paraguay | PZ | LAP | Paraguay | The Americas | 13 January 2025 |
| Transportes Aereos Guatemaltecos SA | 5U | TGU | Guatemala | The Americas | 5 August 2024 |
| TUIfly GmbH | X3 | TUI | Germany | Europe | 4 October 2025 |
| Tunisair | TU | TAR | Tunisia | Africa & Middle East | 2 March 2025 |
| Turkish Airlines Inc | TK | THY | Türkiye | Europe | 6 November 2024 |
| TUS Airways | U8 | CYF | Cyprus | Europe | 15 December 2025 |
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Tway Air Co Ltd
The Operator’s Initial Registration Audit/ Renewal Audit has been performed as a full scope Hybrid Audit |
TW | TWB | Korea, Republic of | Asia Pacific | 11 January 2025 |
| UAB Avion Express | X9 | NVD | Lithuania | Europe | 29 March 2026 |
|
Ukraine International Airlines
Registration has been suspended until further notice. |
PS | AUI | Ukraine | Europe | 17 June 2023 |