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IATA Operational Safety Audit (IOSA)

The IATA Operational Safety Audit (IOSA) Program is an internationally recognized and accepted evaluation system designed to assess the operational management and control systems of an airline. The IOSA audit creates a standard that is comparable on a world-wide basis, enabling and maximizing the joint use of audit reports. This has saved the industry over 6400 redundant audits and continues to lead to extensive cost-savings for IOSA participating airlines.

All IATA members are IOSA registered and must remain registered to maintain IATA membership.
See who is already on the IOSA Registry.

About Vision Eligibility Audit Scheduling Audit Reports Documentation
IOSA has become a global standard, recognized well beyond IATA membership. As of December 2018, 139 (32%) of the 432 airlines on the IOSA Registry are non-IATA member airlines.

Benefits for Airlines and Regulators

  • Quality audit program under stewardship of IATA
  • Continuous updating of standards to reflect regulatory revisions and best practices
  • Elimination of audit redundancy, reducing costs and audit resource requirements 
  • Accredited audit organizations with formally trained and qualified auditors
  • Accredited training organizations with auditor training courses
  • Structured audit methodology, standardized checklists 



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