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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 431 operators
| Name | IATA code | ICAO code | Country / Territory | Region | Expiry Date |
| Virgin Australia Airlines Pty Ltd | VA | VOZ | Australia | Asia Pacific | 12 January 2025 |
| Virgin Australia International Airlines Pty Ltd | VA | VAU | Australia | Asia Pacific | 13 November 2024 |
| Volaris Costa Rica | Q6 | VOC | Costa Rica | The Americas | 4 June 2025 |
| Volaris El Salvador | VOS | El Salvador | The Americas | 10 November 2025 | |
| Volotea SL | V7 | VOE | Spain | Europe | 24 April 2025 |
| Vueling Airlines SA | VY | VLG | Spain | Europe | 3 February 2026 |
| WAMOS Air SA | EB | PLM | Spain | Europe | 30 March 2026 |
| 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 |