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Acceleration Errors in Astro-navigation

Published online by Cambridge University Press:  18 January 2010

J. B. Parker
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Extract

Squadron Leader Bower gives some data regarding the accuracy of astronomical navigation in high-speed aircraft. No attempt was made to assess the absolute accuracy of astro-navigation, but the distance, when plotted on the chart, between pairs of sights taken on the same star was measured, with the following results.

The average spread between beam shots is consistently greater than that between fore and aft shots, and it is possible that acceleration errors, which can be sizable for high-speed aircraft, are responsible for this.

Errors Due To Aircraft Accelerations. Errors due to the combined effect of the aircraft's movement and the Earth's rotation give rise to errors in the position line.

Type
Research Article
Information
The Journal of Navigation , Volume 9 , Issue 1 , January 1956 , pp. 17 - 19
Copyright
Copyright © The Royal Institute of Navigation 1956

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References

REFERENCES

1D., Bower (1955). The polar flight of Aries IV. This journal, 8, 236.Google Scholar
2Sadler, D.H. (1948). Altitude corrections for Coriolis and other accelerations. This Journal, 1, 22.Google Scholar
3Hagger, A.J. (1952). The accuracy of bubble sextant observations. This Journal, 5, 380.Google Scholar