stabilized glide slope indicator
Also found in: Acronyms.
stabilized glide slope indicator
An electrohydraulic optical landing aid for use on air-capable ships. With it, a pilot can visually establish and maintain the proper glide slope for a safe approach and landing. The visual acquisition range is approximately 3 miles at night under optimal conditions. Also called SGSI. See also air-capable ship.
Dictionary of Military and Associated Terms. US Department of Defense 2005.
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