drift meter
drift meter
[′drift ‚mēd·ər] (navigation)
An instrument for measuring drift angle. Also known as drift indicator; drift sight.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
drift indicator
Drigt-indicator.
An instrument that looks vertically at the surface to provide an indication of drift angle. It consists essentially of a sight tube with a hairline that is rotated until objects on the ground travel parallel to it. This direction is compared with the course to get the drift angle. Also called a
drift meter or
drift sight meter.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
References in periodicals archive
Now I will retire to my rocking chair with my silk scarf and contemplate my
drift meter and sextant.
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