Precision approach path indicator: Difference between revisions

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{{Short description|Visual aid in aviation}}
{{Refimprove|date=December 2009}}
A '''precision approach path indicator''' ('''PAPI''') is a [[visual aid]] that provides guidance information to help a pilot acquire and maintain the correct approach (in the vertical plane) to an airport or an aerodrome. It is generally located on the left-hand side of the runway approximately 300 meters beyond the landing threshold of the runway.