Flight Management

Question 1

The FMC receives DME updating _____.

Answer 1

after manually selecting DME updating in the FMC.

Question 2

Pilots should _____ when the tuned frequency (no decoded name) remains visible on the PFD or ND or shows an incorrect identifier.

Answer 2

verify identity of tuned navigation station from audio Morse Code

Question 3

A flashing ALIGN light (white) on the Inertial Reference System (IRS) during preflight indicates _____.

Answer 3

there is no present position entered or the position entered in unreasonable.

Question 4

The FAULT light (amber) on the IRS Mode Selector Unit means _____.

Answer 4

there is a fault in the IRS ATT and/or NAV modes

Question 5

An ON DC light (amber) illuminated in flight _____.

Answer 5

indicates the related IRS in operating on DC power.

Question 6

A single DC FAIL light (amber) illuminated in flight indicates _____.

Answer 6

DC power for the related IRS is not normal

Question 7

If both ON DC lights (amber) illuminate _____.

Answer 7

power to the right IRS automatically terminates if AC power is not restored within five minutes

Question 8

IRS ground alignment at high latitudes _____.

Answer 8

may take up to seventeen minutes.

Question 9

IRS position and ground speed information is available _____ with the IRS mode selector set to _____.

Answer 9

after a ground alignment / NAV

Question 10

The GPS light (amber) illuminating during Master Caution Recall and extinguishing when the Master Caution System is reset indicates _____.

Answer 10

failure of a single GPS sensor

Question 11

With the FMC Source Select Switch set to NORMAL the _____ and control(s) _____CDU(s) and auto throttle input.

Answer 11

left FMC is primary / both

Question 12

Moving the FMC source switch from NORMAL to either BOTH ON L or BOTH ON R _____.

Answer 12

disengages LNAV and VNAV (may be re-engaged)

Question 13

The MCDU EXEC light when illuminated indicates _____.

Answer 13

active data modified but not executed.

Question 14

_____ signify mandatory data inputs on the MCDU.

Answer 14

Boxes

Question 15

The CDU displays _____ if predicted fuel at destination will be _____ lbs or less.

Answer 15

INSUFFICIENT FUEL / 2000

Question 16

If the right FMC fails _____. (3 things)

Answer 16

• the FMC alert light and the FMC message light will illuminate
• the message SINGLE FMC OPERATION will be displayed in both scratchpads
• VTK will display on the right navigation display

Question 17

If the left FMC fails _____. (3 things)

Answer 17

• the FMC alert light and the FMC message light will illuminate
• the MENU page will appear on both CDUs
• VTK will display on the left navigation display

Question 18

If both FMC’s fail _____. (3 things)

Answer 18

• the FMC alert light will illuminate
• the MENU page will appear on both CDUs
• VTK will appear on both navigation displays

Question 19

The FMC estimate of the quality of its position is _____.

Answer 19

Actual Navigation Performance (ANP)

Question 20

LNAV engages, regardless of heading, when laterally within _____ nautical miles of the active route leg.

Answer 20

3

Question 21

The FMC computed descent path is based on _____. (3 things)

Answer 21

• idle power
• the speed on the DES page
• the lateral route in the FMC

Question 22

VNAV PTH descent automatically reverts to VNAV SPD _____. (3 examples)

Answer 22

• for overspeed reversion
• when the aircraft is 200 ft or more above the path
• when there is no “TO” waypoint (i.e. vector segment)

Question 23

AT28R, BT28R, and CT28R represent

Answer 23

EO SID waypoints

Question 24

BYPASS appears between two waypoints on the legs page because _____.

Answer 24

they are too close together to capture the leg between them