dead-reckoning plot[¦ded ′rek·ən·iŋ ‚plät]
In marine navigation, the graphic plot of consecutive course lines representing courses steered or planned to be steered, originating from a fix or running fix position, and suitably labeled as to course, speeds, and times of periodic dead-reckoning positions.
In air navigation, the graphic plot of track and ground speed, suitably labeled. Also known as ground plot.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.