pressure line of position
Also found in: Acronyms.
pressure line of position
[′presh·ər ′līn əv pə′zish·ən] (navigation)
A line of position parallel to the effective air path and at a distance perpendicular to it equal to the lateral displacement, determined by pressure pattern formulas.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.