Civil Aviation Authority of Nepal (CAAN) has a dual function i.e. regulator and Service Provider. As a regulator, CAAN is responsible to carry out safety oversight as well as other safety related functions within the organization. For this purpose, Civil Aviation Safety Regulation Directorate has been established to oversee the service provider organizations with its four departments and two divisions. They are:

  1. ANS Safety Standards Department
  2. Aerodrome Safety Standards Department
  3. Flight Safety Standards Department
  4. ICAO, International Affairs and Legal Department
  5. Safety Management Division and
  6. Air Transport Division