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• UK CAA - United Kingdom Civil Aviation Authority

• EASA - European Aviation Safety Agency

• FAA - Federal Aviation Administration

• TCCA - Transport Canada Civil Aviation

• GCAA - United Arab Emirates General Civil Aviation Authority

• QCAA - Qatar Civil Aviation Authority 

• Indian DGCA - Directorate General Civil Aviation

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BOSA's approvals provide numerous Aircraft / Engine combinations and Component Maintenance covering over 5000 fast moving part numbers.

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Approval Certifications can be downloaded below: 

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