Generic Visual Glideslope Indicators (GVGI)
Contains the FAA standards for generic visual glideslope indicators systems. GVGI systems provide pilots with visual glideslope guidance during approaches for landing at general aviation airports.
Specification L-854, Radio Control Equipment
Contains the specifications for radio control equipment to be used for controlling airport lighting facilities.
Specification for L-893, Lighted Visual Aid to Indicate Temporary Runway Closure
Provides guidance in the design of a lighted visual aid to indicate temporary runway closure.
Low-Impact Resistant (LIR) Structures
Contains the FAA specifications for low-impact resistant (LIR) structures used to support approach lighting systems (ALS) at airports.
Circuit Selector Switch
Contains a specification for a circuit selector switch for use in airport lighting circuits.