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yawing axis[′yȯ·iŋ ‚ak·səs]
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A vertical axis through an aircraft about which it yaws. Also called vertical axis, normal axis, z-axis, and yawing axis.
i. The lateral axis of the aircraft about which an aircraft pitches. Also called the pitch axis, normal axis, z-axis, and yawing axis.
ii. A vertical two-dimensional system of rectangular coordinates. The reference line on which distances above and below (north or south) it are marked, especially on a map, chart, or graph.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved