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'''The PAPI''' is an instrument helping to carry out a correct approach (in the vertical plan) on an aerodrome or an airport. It is generally located approximately 300 meters after the beginning of the runway.
▲The PAPI is an instrument helping to carry out a correct approach (in the vertical plan) on an aerodrome or an airport. It is generally located approximately 300 meters after the beginning of the runway.
[[Image:Jersey Airport.JPG|thumb|250px|The PAPI can be seen to the right of the runway. The greater number of red lights visible means that the aircraft is below the glideslope.]]
[[Image:PAPI M39.jpg|thumb|250px|Individual Precision Approach Path Indicator]]
The '''Precision Approach Path Indicator (PAPI)''' is a light system positioned beside the [[runway]] that consists of two, three, or four boxes of lights that provide a visual indication of an aircraft's (fixed wing or rotor wing) position on the [[glidepath]] for the associated runway. The [[Federal Aviation Administration|FAA]] standard for the PAPI is the same as the [[ICAO]]'s standard [[VASI|Visual Approach Slope Indicator]].
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