Australian Aviation Museum

Starkie Drive, Bankstown Airport (02) 9791 3088

Mark.IV Drift Sight

"Dead Reckoning" is a basic form of aircraft navigation which means that a pilot flies a compass course and allows for forecast cross-winds. A more accurate means of finding cross wind direction is to use a Drift Sight.

The Sight works by aligning the datum lines in the sight with a fixed point on the ground. As the aircraft moves away from the point the angle of drift can be read from the scale.



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Australian Aviation Museum Bankstown Inc., Sydney NSW Australia.
Phone (02) 9791 3088
PO Box 420, Panania NSW 2213 . All Rights Reserved.

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