Precision Approach


In the context of aerospace engineering, a Precision Approach (PA) is a type of approach in aviation where guidance is provided to aircraft in both the vertical and horizontal planes, enabling them to perform an approach to land under poor visibility conditions or even in total darkness. This is achieved through the use of various ground-based or satellite navigation systems, such as the Instrument Landing System (ILS), Microwave Landing System (MLS), or Global Navigation Satellite System (GNSS). The precision approach procedure involves a series of predefined maneuvers, starting from the initial approach fix, through the intermediate and final approach segments, to the missed approach point. The aircraft's position and speed are continuously monitored and adjusted to ensure that it remains on the correct flight path. The precision approach is a critical component of the flight operation, as it ensures the safety and efficiency of the landing process, particularly in adverse weather conditions or at airports with challenging terrain.


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