Clearance Altitude


Clearance Altitude is the minimum altitude that an aircraft must maintain after departure or before landing, as instructed by air traffic control (ATC). It ensures that the aircraft maintains a safe altitude above the terrain and any obstacles. Clearance altitude is usually given in feet above mean sea level (MSL) and is based on the surrounding terrain and obstacles. It is important for pilots to adhere to the clearance altitude to avoid any potential collisions with terrain or obstacles. Failure to maintain clearance altitude can result in a violation of aviation regulations and compromise the safety of the flight.


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