ground-controlled approach
or ground-con·trol approach
[ground-kuh n-trohld]
- a system in which an observer interprets radar observations of the position of an aircraft and transmits continuous instructions to its pilot for landing. Abbreviation: GCA
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Origin of ground-controlled approach
First recorded in 1940–45
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018