Precision approach path indicator (PAPI) systems.
Series: Advisory circular -- AC no. 150/5345-28D.
Publisher: U.S. Dept. of Transportation, Federal Aviation Administration
Published: 1985
Place of publication: Washington, D.C
Language: eng
Number of pages: 20
Subjects: Runways (Aeronautics) -- United States.; Airports -- United States -- Lighting.; Landing aids (Aeronautics)
Notes: Caption title.

"5/23/85."

Cancels Advisory circular (AC) 150/5345-28C dated March 23, 1977, and AC 150/5340-25 dated September 24, 1976.