Encyclopedia

plan position indicator

Also found in: Dictionary, Acronyms, Wikipedia.

plan position indicator

[′plan pə′zish·ən ′in·də‚kād·ər]
(electronics)
A radarscope display in which echoes from various targets appear as bright spots at the same locations as they would on a circular map of the area being scanned, the radar antenna being at the center of the map. Abbreviated PPI. Also known as P display.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

plan position indicator (PPI)

plan position indicator (PPI)click for a larger image
A cathode-ray tube (CRT) on which radar returns are displayed. The returns on the PPI are oriented relative to the transmitter.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
Mentioned in
Copyright © 2003-2025 Farlex, Inc Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.