Air Navigation Services (ANS) are critical for ensuring the safe and efficient movement of aircraft within airspace. These services include Air Traffic Services (ATS); Communication, Navigation, and Surveillance (CNS) services; Meteorological Services (MET) for air navigation; Aeronautical Information Services (AIS); and Search and Rescue (SAR). In Bhutan, the Bhutan Civil Aviation Authority (BCAA) oversees air navigation services, ensuring compliance with international aviation standards, such as those set by the International Civil Aviation Organization (ICAO).