air-position indicator

air-position indicator

[′er pə′zish·ən ‚in·də′kād·ər]

(navigation)

An airborne computing system which presents a continuous indication of the aircraft position on the basis of aircraft heading, airspeed, and elapsed time. Abbreviated API.

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