radio approach aids

radio approach aids

[′rād·ē·ō ə′prōch ‚ādz]

(navigation)

Equipment that uses radio or radar to furnish guidance to an aircraft with required accuracy from the time it is in the vicinity of an airfield until it reaches a position from which a landing can be made.

McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

radio approach aids

Those radio aids such as instrument/microwave landing systems (ILS/MLS) that assist landing in poor-visibility conditions.

An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved