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Drift Determination in Jet Aircraft

Published online by Cambridge University Press:  18 January 2010

H. M. de Jong
H. M. de Jong
Affiliation:
(Royal Netherlands Meteorological Institute)
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Extract

After the radar altimeter came into use at the end of the second world war, the combination with a pressure altimeter made it possible to measure horizontal pressure gradients, which enabled the navigator to estimate the geostrophic wind. The pressure gradient is directly related to the component of the wind at right angles to the track by means of the geostrophic relation and the navigator is thus provided with a method of evaluating one component of the drift. A position line of pressure combined with another position line (Loran, astro, &c.) enables the position of the aircraft to be determined.

Type
Research Article
Information
The Journal of Navigation , Volume 13 , Issue 3 , July 1960 , pp. 296 - 300
Copyright
Copyright © The Royal Institute of Navigation 1960

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