Flight Management Flashcards
The FMC receives DME updating ______.
after manually selecting DME updating in the FMC
Pilots should ______ when the turned frequency (no decoded name) remains visible on the PFD or ND or shows an incorrect identifier.
verify identity of tuned navigation station from audio Morse code
A flashing ALIGN light (white) on the Intertial Reference System (IRS) during preflight indicates _______.
there is no present position entered or the position entered is unreasonable
The FAULT light (amber) on the IRS Mode Selector Unit means ______.
there is a fault in the IRS ATT and/or NAV modes
An ON DC light (amber) illuminated in flight
indicates the related IRS is operating on DC power
A single DC FAIL light (amber) illuminated in flight indicates _______.
DC power for the related IRS is not normal
If both ON DC lights (amber) illuminate ______.
power to right IRS automatically terminates if AC power is not restored within 5 minutes
IRS ground alignment at high latitudes ______.
may take up to seventeen minutes
IRS position and ground speed information is available ______ with the IRS mode selector set to _______.
after a ground alignment / NAV
The GPS light (amber) illuminating during Master Caution Recall and extinguishing when the Master Caution System is reset indicates _______.
failure of a single GPS sensor
With the FMC Source Select Switch set to NORMAL the ______ and control(s) ________ CDU(s) and autothrottle input.
left FMC is primary / both
Moving the FMC source switch from NORMAL to either BOTH ON L or BOTH ON R
disengages LNAV and VNAV (may be re-engaged)
The MCDU EXEC light when illuminated indicates ______.
active data modified but not executed
________ signify mandatory data inputs on the MCDU.
Boxes
The CDU displays ________ if predicted fuel at destination will be _______ lbs or less.
INSUFFICIENT FUEL / 2000
If the right FMC fails _______.
all of the above
If the left FMC fails _______.
all of the above
If both FMC’s fail _______.
all of the above
The FMC estimate of the quality of its position is _______.
Actual Navigation Performance (ANP)
LNAV engages regardless of heading when laterally within ______ nautical miles of the active route leg.
3
The FMC computed decent path is based on _______.
all of the above
VNAV PTH decent automatically reverts to VNAV SPD ________.
all of the above
AT28R, BT28R, and CT28R represent _______.
EO SID waypoints
BYPASS appears between two waypoints on the legs page because ________.
they are too close together to capture the leg between them
