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Dictionary

ground'-con•trolled approach"

Pronunciation: (ground'kun-trōld"), [key] Aeron.
a system in which an observer interprets radar observations of the position of an aircraft and transmits continuous instructions to its pilot for landing. Abbr.: GCA Also,ground'-con•trol" approach".

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

ground control

ground cover

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