Obstacle Clearance


Obstacle clearance is the minimum height above the highest obstacle located in the vicinity of an aircraft's flight path that must be maintained to ensure a safe flight. It is a critical factor in aviation safety and is determined by taking into account the aircraft's performance, the terrain, and the obstacles in the area. Obstacle clearance is typically calculated for takeoff, initial climb, en route, approach, and landing phases of flight. The required obstacle clearance is specified in the aircraft's operating manual and must be adhered to by the pilot to ensure safe flight.


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