heading-upward plan position indicator

heading-upward plan position indicator

[¦hed·iŋ ′əp·wərd ¦plan pə¦zish·ən ′ind·ə‚kād·ər]
(electronics)
A plan position indicator in which the heading of the craft appears at the top of the indicator at all times.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.