Flight management, navigation, controls and indicators Flashcards
If the EIU selector is in AUTO, which EIUs are providing information to the CPT and FO’s PFD and ND assuming all EIUs are functioning?
Left to CPT and Right to FO
When is the route offset function available?
When the airplane is in flight and not on a SID, STAR, or transition
What is the maximum cost index value that can be entered?
9999
FMCs revert to split IRS operation, the CDU message SPLIT IRS OPERATION displays and each FMC connects to a different IRU when operating north or south of what latitudes?
84N or 84S
An unnamed terminal area fix along a DME arc procedure named D190P would indicate an arc with what radius?
16
What would be the actual Lat/Long coordinates of the FMS entered point 50N40?
N5000.0W14000.0
During a VNAV climb, if the airplane levels at an MCP altitude not in the FMC, the pitch mode changes from VNAV SPD to what FMA?
VNAV ALT
During a missed approach, VNAV and LNAV can only be activated above what radio altitude?
400’
If minimum trip fuel is desired, what cost index should be entered?
0
If the calculated fuel at the destination on the Progress page is less than the fuel entered for reserves on the PERF INIT page what FMC scratchpad message would appear?
INSUFFICIENT FUEL
What CDU pages are available in alternate navigation if both FMC’s fail?
- IRS LEGS,
- IRS PROGRESS, and
- ALTN NAV RADIO
A new waypoint in alternate navigation has to be entered in what format?
Latitude/longitude
If the IRU’s are operating on DC power, how long will the center IRU operate?
5 minutes
What does the FMC RUNWAY DIS EICAS Caution message indicate?
Airplane position or heading not within specified limits of active FMC departure runway and takeoff thrust applied
On the NAV RADIO page of the CDU, what does an “A” following the VOR frequency indicate?
The FMC has autotuned a VOR for best position orientation
When does the Route Uplink LOAD prompt appear?
When uplink received and passes error check
If an ILS approach is flown in alternate navigation, the ILS frequency has to be entered into which CDU’s?
L, C, R
How long will the IRSs continue to operate if AC power is lost?
IRS L and R will operate on DC power, IRS C will operate for 5 minutes and shut down
What is the primary source of data used by the FMCs to determine its location?
GPS
How can the position of each GPS be displayed on the ND?
Pushing the POS switch on the EFIS control panel
In order to begin a full alignment, where must the IRS mode selectors be placed?
Rotating the selector from OFF to NAV
How long does a full alignment of the IRSs take?
10 minutes
How is a fast alignment of the IRSs accomplished?
Rotate selectors from NAV to ALIGN, enter present position in the CDU and return the selector to NAV
On the NAV RADIO page of the CDU, what does a P following the VOR frequency indicate?
The FMC has autotuned a VOR for approach or departure procedure guidance
The IRSs operate on which type of power?
AC or DC
With the autothrottles active, the the FMC selector is switched from the Left position to the Right position, what would happen to the autothrottles?
ATS will disengage
How are VOR frequencies normally selected?
Frequencies are autotuned by the FMS based on the phase of flight.
On the NAV RADIO page of the CDU what does the R following VOR frequency indicate?
The FMC has autotuned a VOR on the active route
On the NAV RADIO page of the CDU what does the M following VOR frequency indicate?
The VOR has been manually tuned by the pilot.
How are the ILS receivers normally tuned?
The FMC will autotune the ILS receivers,
When an ILS approach is selected.
When will the ILS frequency and course display on the PFD?
Within 50NM of TD, within 150NM of destination airport
How can the crew confirm that the ILS is identified?
The ILS frequency displayed on the PFD is replaced with the identifier
How is the master FMC normally selected?
Left is normally the master FMC
How long does a fast alignment of the IRSs take?
30 seconds
