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average heading

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average heading

[′av·rij ′hed·iŋ]
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The average heading flown for a given period; it should be the same value as desired heading if the drift was predicted accurately.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

average heading

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A term used in gyrosteering techniques to denote the calculated average difference between initial and final headings at the midpoint of a specified period of time.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved
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References in periodicals archive
The average heading date for Moreland is 156 d after 1 January, which is similar to that for Brundage.
Average heading date for Outlook is June 24, which is approximately 0.5 d later than McNeal.
TAMBAR 501 has had an average heading date of 95 d (Julian), compared to 98 d for Starling and 104 d for Post 90 and TAMBAR 500.
Explorer has early maturity with an average heading date of 21 June on the basis of 25 location-years in Montana, and is about 2 d earlier than Hi-Line and MTHW9420.
MTHW9420 has mid-early maturity with an average heading date of 28 June based on 16 location-years in Montana, similar to Hi-Line, and 3 d later than Klasic.
Finley has winter hardiness less than Hatton but equal to Weston (1989, 1991, Lind, WA, field observations); straw strength greater than Weston and similar to Hatton; and an average heading date in Washington state of 148 d, 2 d earlier than Hatton and similar to Weston.
The coleoptile of Edwin is long (101% of Moro) and the average heading date in Washington state is similar to Moro (146 and 145 d, respectively).
Scholar matures in mid-season with an average heading date of 27 June for six dryland sites and 1 July for three high rainfall/irrigated sites each tested in Montana from 1995 to 1998.
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