advanced line of position
advanced line of position
[əd′vanst ¦līn əv pə′zish·ən] (navigation)
A line of position which has been moved forward along the course line to allow for the run since the line was established; the opposite is a retired line of position.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.