In order to discharge Nepal\'s obligations to the Chicago Convention under articles 28, 29, 31, 32 and the relevant Standards and Recommended Practices (SARPs) under the Annexes 01 (Personnel Licensing), 06 (Operation of Aircraft), 07 (Aircraft Nationality & Registration Marks), 08 (Airworthiness of Aircraft), 16 (Environmental Protection) and 18 (Safe Transport of  Dangerous Goods by Air) the aeronautical authority for Nepal the Civil Aviation Authority of Nepal (CAAN) has established the Flight Safety Standard Department (FSSD). The FSSD is responsible for the safety oversight of airlines registered in Nepal as well as foreign airlines flying to Nepal. The safety oversight  functions  of the FSSD also  includes issuance, renewal and revocation of Air Operator Certificate (AOC), Personnel Licenses for flight crew and aircraft maintenance license.

The FSSD, formerly known as Aviation Safety Department under CAA Nepal comprises of different  divisions and section namely Airworthiness Inspection, Flight Standards and Licensing, Air Operator Certificate (AOC), Flight Operations and Dangerous Goods.