- Transport Styrelsen - Sweden
- Transport Authority - Slovakia
- EASA (European Aviation Safety Agency) - Germany
- CCAA (Croatian Agency for Civil Aviation)
- ANAC (National Agency of Civil Aviation) - Togo
- ANACM - National Agency for Civil Aviation and Meteorology
- MINTRANS (Ministry of Transport) – Russian Federation
- Ministry of Transport and Civil Aviation - Afghanistan
- ENAC (National Agency for Civil Aviation) - Italy
- MOTC (Ministry of Transport and Communication) - Oman