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A precisely identified point, especially on the ground, that locates a very small target, a reference point for rendezvous or for other purposes; the coordinates that define this point.
The ground position of aircraft determined by direct observation of the ground.
To establish (position) with great accuracy.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A precisely identified point, especially on the ground, that locates a very small target. A reference point for a rendezvous, such as one's position. It may be determined by direct observation, the use of navigational aids, or plotting a fix. In plotting, a pinpoint is indicated by the symbol —a circle with a dot in it along with the time noted beside it.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved