Navigation

Question 1

When must the IRS be aligned?

Answer 1

Whenthe time from the last full alignment to the next expected arrival time exceeds 18 hours.

Question 2

Why is important to put the IRS units to OFF, prior to shutting off the aircraft?

Answer 2

They will automatically switch to the APU Hot Battery Bus when ac power is removed.

Question 3

If Backup DC power to an IRU fails, the EICAS Message ________ displays.

Answer 3

IRS DC CENTER, LEFT, or RIGHT

Question 4

If an IRS position is not entered before the IRSs finish alignment, what message displays?

Answer 4

SET IRS POS

Question 5

T/F: The IRS is the sole source of attitude and heading signals to the AFDS, PFD, and ND.

Answer 5

True

Question 6

What are the radio navigation available of the 747-400?

Answer 6

VOR
DME
ADF
ILS

Question 7

The B747-400 is equipped with ______ ILS system(s).

Answer 7

3

Question 8

The DMEs are primarily tuned automatically by the _______.

Answer 8

FMC

Question 9

Which mode allows the Transponder to provide TCAS Traffic and Resolution Advisories?

Answer 9

TA/RA

Question 10

Which mode allows the Transponder to provide only TCAS Traffic Advisories?

Note: it is usually selected after an engine failure to inhibit Resolution Advisories.

Answer 10

TA

Question 11

Which mode allows the Transponder to operate with altitude reporting - but with no TCAS?

Answer 11

ALT ON

Question 12

When the FMS provides a message to the flight crew, it is displayed _____________.

Answer 12

On the CDU scratchpadd

Question 13

Which key can be used to clear data from the left or right side lines of the CDU?

Answer 13

DEL Key

Question 14

Which of these areas on a CDU page require a pilot entry?

Answer 14

Lines with blocks

Question 15

Once the IRS switches have been placed in the NAV, what coordinates are normally used for the SET IRS POS entry on the POS INIT page.

Answer 15

GPS POS displayed at 4R

Question 16

T/F: Preflight pages consist of Route preflight pages and Performance preflight pages.

Answer 16

True

Question 17

How is the fuel value entered in the RESERVES block on the PERF INIT page obtained?

Answer 17

Directly from the flight plan RES value

Question 18

What occurs when the last V speed value is entered or selected on the TAKEOFF REF page?

Answer 18

The amber NO V SPD indication on thePFD airspeed tape is replaced be a green V1 and is associated value parked at the top of the tape.