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Assessing the Navigation Data Input to Aircraft Flight Management Systems

Published online by Cambridge University Press:  01 May 1998

P. D. Nisner  and
R. Johannessen
P. D. Nisner
Affiliation:
National Air Traffic Services Limited
R. Johannessen
Affiliation:
Lambourne Navigation Limited
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Abstract

This paper gives details of the failure rates and the failure modes experienced with SPS GPS receivers certificated for aviation use to the TSO-C129 specification. These failure rates are significant compared to those from other modern avionics and the rates are comparable to that currently experienced from un-scheduled failures in the GPS signals-in-space. To achieve certification, Flight Management System (FMS) design should consider the way in which the satellite navigation receivers fail. The paper also gives details concerning the 2-D errors that have been experienced with these receivers, and indicates further work that needs to be done with C 129a receivers.

Keywords

AirNavaidsGPSData
Type
Research Article
Information
The Journal of Navigation , Volume 51 , Issue 2 , May 1998 , pp. 159 - 168
Copyright
© 1998 The Royal Institute of Navigation

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