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Old 24th Mar 2009, 22:30
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pichu17
 
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FMS
The CMA-900,FMS has GPS ,DME-DME, VOR-DME. GPS is the highest priority.The FMS continuosly x check the GPS position against the nex best sensor (DME-DME) to ensure that the position is within the required accuracy.If the main sensor (GPS) becames unavailable for navigation,the FMS will revert to the nex best IFR-approved nav mode .
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