Radio Navigationhard#1186
The FMS (Flight Management System) uses a multi-sensor navigation solution that typically includes:
A
GPS, DME/DME, VOR/DME, and IRS inputs blended by a Kalman filter
CorrectB
VOR only
C
NDB only
D
Radar altimeter only
Explanation
Modern FMS uses multiple navigation inputs (GNSS, DME/DME, VOR/DME, IRS) blended via a Kalman filter to provide the most accurate position solution.
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