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Aviation Dictionary

Precision approach path indicator (PAPI)

A system of lights similar to the V ASI, but consisting of one row of lights in two- or four-light systems. A pilot on the correct glideslope will see two white lights and two red lights. See VASI.

Dictionary Term

Precision approach path indicator (PAPI)

Definition

  • A system of lights similar to the V ASI, but consisting of one row of lights in two- or four-light systems. A pilot on the correct glideslope will see two white lights and two red lights. See VASI.

References

  • Pilot's Handbook of Aeronautical Knowledge · Federal Aviation Administration · 2023