Navigation Flashcards
If after engine start, the GPS PRIMARY LOST message is
displayed, the crew should?
Refer to the NAV/ADC TAB in the QRH or AOM Chapter 02 and
check it ws not DESELECTED
The First Officer’s VOR/DME/RMI displays heading information
from IRS 2. If IRS 2 is inop how can the First Officer recover the
heading data?
The system may be recovered by selecting IRS 3
What should be referenced when a LAND 3 INOP message is
received prior to takeoff?
LAND 3 INOP - ON GROUND checklist in AOM 02.14 or QRH
NAV/ADC tab
How during a single ADC Fault can you recover the faulted
Flight Director?
Select the available system using the FD instrument source
select switch
During an UNRELIABLE AIRSPEED event, the Autopilot and
Flight Directors ____________?
Can be left engaged if in level flight
What does each inertial reference system (IRS) consist of?
Mode Selector Unit and Inertial Reference Unit
The GPS receivers are integrated into a modular avionics unit
called what?
Multi-Mode Receiver
For a rapid realignment on stop-over flights, turn the Mode
Selector Unit selector to OFF for approximately how long
before returning the switch to NAV?
5 Seconds
How long should you expect to wait for a realignment of the
IRS’s after you have selected them back on?
3 Minutes
In the event you select the IRS’s on during your preflight flow,
how long should you expect to wait for the full alignment?
10 Minutes
During the alignment process, the IRS’s operate from the
aircraft batteries to ensure emergency power supply (backup
DC power system) is available prior to switching to their
normal power sources. How long do they operate on the
batteries during this initial test?
5 Seconds
The ILS course and frequency may be changed during any
phase of flight except when?
ILS approach and less than 700’ AGL
During preflight, you notice that all 3 Mode Selector Unit
ALIGN MODE lights are flashing. What is your next step?
Enter present position alignment coordinates into FMS
