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28 August 2000 New integrated backup flight data display in Gripen
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Abstract
The Saab-BAe multi-role fighter aircraft Gripen has a continuous development program to incorporate new technology. Current important cockpit changes are the replacement of the three 5' X 6' monochrome CRT displays by three 6' X 8' Color Multi-Function Displays (CMFD), and the removal of the traditional and dedicated standby flight instruments. The CMFDs are equipped with built-in graphics generators. The display surfaces are supplied with flight data from two parallel and independent flight data systems, one primary (normal) and one secondary (back-up). All CMFDs have the ability to be switched over to display of back-up flight data. The importance of flight data calls for careful design of functional monitoring. The removal of the old standby instruments and the introduction of the new integrated back-up system also raises a need to define new principles for pilot monitoring of flight data. This is being dealt with in two ways. First, a special display mode is created to make it possible for the pilot to visually perform traditional cross monitoring between independent sources. Second, in order to make maximal tactical use of the CMFDs' surfaces, automated (hidden) integrity cross monitoring is being developed. Flight safety is achieved by designing a system where (a) the primary and the secondary system are totally independent except for the display surfaces which however are triple redundant; (b) the monitoring functionality is distributed both locally and centrally to ensure that no misleading flight data is displayed to the pilot.
© (2000) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Rolf Santesson and Robert Kral "New integrated backup flight data display in Gripen", Proc. SPIE 4022, Cockpit Displays VII: Displays for Defense Applications, (28 August 2000); https://doi.org/10.1117/12.397777
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