Civil Aviation Authority of Nepal (CAAN) is acting as an Air Navigation Service Provider (ANSP), Regulator and Aerodrome Operator. To make a functional separation between service provider and regulator and to carry out effective safety oversight, CAAN has established a separate directorate: Civil Aviation Safety Regulation Directorate (CASRD). The ANS Safety Standards Department (ANSSSD) has been formed within Civil Aviation Safety Regulation Directorate to perform the Safety Oversight function of ANSP specially in the field of ATS, PANS-OPS/MAPs & CHART, CNS, AIS and SAR. Accordingly, ATM, PANS-OPS/MAPs & CHART, CNS, AIS and SAR Inspectors are appointed within ANS Safety Standards Department who will carry out their duties. The Inspector shall oversee all aspects of ANS concerning services, procedures, methods and functions of ANS service provider and their applicability in accordance with relevant CARs: PELR, CAR-2, CAR-4, CAR-5, CAR-10, CAR-11, CAR-12 and CAR-15, ICAO Annexes 1,2,3,4,5,10,11,12 and 15, manuals, CAAN rules, regulations, directives and related documents.