11 Flight Management, Navigation

Question 1

The FMC will provide navigation guidance and map display between ___ North and ___ South latitudes.

Answer 1

87° North and 87° South

Question 2

Regarding the IRS, magnetic heading and track are not available in polar regions. Magnetic reference is provided between?

Answer 2

N73° and S60° latitude

Question 3

IRS alignment requires approximately?

Answer 3

10 minutes

Question 4

During high latitude IRS alignment it will take a minimum of?

Answer 4

17 minutes

Question 5

Fast IRS realignment takes approximately?

Answer 5

30 seconds

Question 6

A full alignment must be accomplished when the time from the last full alignment
exceeds?

Answer 6

18 hours

Question 7

If alignment is lost in flight, the navigation mode is inoperative for the remainder of the flight.
In flight realignment for attitude information takes approximately?

Answer 7

30 seconds

Question 8

Standby power to the right IRS is limited to?

Answer 8

5 minutes

Question 9

FMC position updates from navigation sensor positions follow this priority: (8)

Answer 9

• One LOC and GPS (tuned for approach)
• One LOC and collocated DME (tuned for approach)
• One LOC and VOR with a collocated DME (tuned for approach)
• LOC (tuned for approach)
• GPS
• Two DME stations
• One VOR with a collocated DME
• IRS.

Question 10

VNAV is normally engaged at thrust reduction height. Pitch guidance then commands the most restrictive of the following:

Answer 10

• An airspeed increase to 250 knots, or
• An airspeed five knots below the placard speed for the current flap setting, or
• The speed transition associated with the origin airport, or
• The takeoff target airspeed (between V2 + 15 and V2 + 25 knots) if the acceleration altitude entered on TAKEOFF REF page 2/2 has not been
  reached.