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In flight, which navigation receivers are typically used for flight management position updating?
  • A
    DME, NDB, and GPS receivers.
  • B
    DME, VOR, LOC, and INS receivers.
  • C
    DME, VOR, LOC, and LORAN receivers.
  • D
    DME, VOR, LOC, and GPS receivers.
The FMC determines and updates present aircraft position from the following systems:
  • Loran – C (LOC)
  • DME
  • IRS
  • GPS

The INS is an old system and is replaced by the IRS in most modern aircraft. Therefore, the answer option containing ‘INS receivers’ is not the most correct one.
 

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