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IATA Operational Safety Audit (IOSA)

General Vision Eligibility Schedule your audit Documentation

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.

New IOSA Training Courses

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 org​anizations with formally trained and qualified auditors
  • Accredited training organizations with auditor training courses
  • Structured audit methodology, standardized checklists 


IOSA has become a global standard, recognized well beyond IATA membership. As of October 2017, 143 (34%) of the 424 airlines on the IOSA Registry are non-IATA member airlines. Should you have any questions, please do not hesitate to contact us.

The ISM is now available in XML Format

The IOSA Standards Manual (ISM) is now available in XML format for easy integration into your audit management system. E-mail us at ismxml@iata.org and we will be pleased to provide you with the licensing option most suited to your needs. The PDF version of ISM will continue to be offered free of charge.

Request an IOSA audit report

IOSA registered operators need to request IOSA Audit Reports by accessing the online IOSA Repository system. To register as a user, please click here.

For any questions, please refer to the IOSA Repository User Guide (pdf) or contact us directly at iosa@iata.org

Non-IOSA Registered entities are asked to kindly complete the request form (doc) and return it to the IOSA team.

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