AA Navigation Flashcards
Following operation in the navigation mode and with the airplane parked, performing a _________
Fast alignment
If the airplane is moved during alignment, the alignment will stop. When the motion stops, ____.
some units restart the alignment automatically
If IRS alignment is lost in flight, ____.
the navigation mode is inoperative
In normal operations, the ____ tunes ____ VOR(s) and associated ____ for radio position updates.
FMC, both, DME
The VOR can be remotely tuned from the ____.
NAV RADIO or PROGRESS page depending on which FMC is installed
The VORs are automatically tuned by the FMC when the related HSI Mode Selector is in ____.
MAP
The DME displayed on the RDMI is preceded by a(n) ____ when the HSI is in the ILS mode
L
The FMC uses two DMEs for position updates. If only one DME is available, the FMC ____.
Can use one VOR with collocated DME
Frequency changes to the tuned ILS are inhibited ____.
after localizer or glideslope capture if 3 autopilots are armed
Both sets of marker beacon lights are operated by the marker beacon receiver that is part of the ____ receiver.
left VOR
The RDMI receives alternate heading signals from the ____.
C-IRS
The RDMI receives primary heading signals from the ____.
opposite side IRS
Left and right GPS receivers are independent and supply accurate position data to the FMC. GPS receivers are contained in the left and right ____.
Multi-Mode Receivers (MMR)
If GPS data is not available or is unreliable, the FMC will use ____.
the navigation radio position or IRS position data
What does the IRS DC FAIL light indicate?
DC backup power for the related IRS has failed
