radio approach aid

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• landing aid — Any illuminating light, radio beacon, radar device, communicating device, or system of such devices for aiding aircraft in an approach and landing. See instrument landing system, ground controlled approach, and visual approach slope indicator …   Aviation dictionary

• nonprecision approach — A radar controlled approach or an approach flown by reference to navigational aids, in which electronic glide slope information is not available. Examples are VOR (very high frequency omnidirectional radio range), TACAN (tactical air navigation) …   Aviation dictionary

• landing aid — Any illuminating light, radio beacon, radar device, communicating device, or any system of such devices for aiding aircraft in an approach and landing …   Military dictionary