Navigation Flashcards

1
Q

How is the primary position provided to the FMC?

A

Hybrid GPS Inertial position by the IRS.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is the indication of invalid voted data from the ADRS?

A
  • EICAS “NAV AIR DATA SYS”

- Backup airspeed and altitude is displayed (AOA SPD and GPS ALT)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

How is the IRS powered?

A

Primary power by the respective instrument bus, secondary by the hot battery bus.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How is a failure of both IRU’s indicated?

A

EICAS “NAV IRU”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How is a position provided in the event of failure of both IRU’s?

A

Hybrid GPS inertial position from the AHRU’s.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is the significance of EICAS “NAV INERTIAL SYS”?

A

Failure of IRS (IRU’s and AHRU’s).

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

How is a position and attitude information provided in the event of IRS failure?

A

GPS position sent directly to FMC, ISFD attitude information to PFD. (SGL SOURCE ATTITUDE)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What is the significance of EICAS “NAV AIR DATA SYS”?

A

Loss of voted ADRS data to displays. Backup data provided by AOA SPD and GPS ALT.
ISFD data may be unreliable.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the significance of EICAS “NAV AIRSPEED DATA”?

A

Loss of voted airspeed data to displays. Backup data provided by AOA SPD. ISFD airspeed data may be unreliable.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

When is the ILS autotuned?

A
  • Appropriate approach selected to the active route.

- Within 50nm from TOD, 150nm of landing RWY, or FMC in descent mode.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

When is ILS tuning inhibited?

A
  • A/P engaged or F/D on and LOC or G/S captured, or

- HUD Takeoff mode active for 5 seconds on the ground.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How is failure of an ILS receiver indicated?

A

EICAS “SINGLE SOURCE APPROACH”.

ILS data from operating receiver displayed on both PFDs.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

For how long is the ILS autotune inhibited on takeoff?

Can it be overridden?

A

10 minutes

Yes, by selecting another approach

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

How many ADF and DME systems are installed?

A

2 ADF and 2 DME

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

How many VOR receivers are installed?

A

2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Which navigation systems are in the Integrated Navigation Radio receivers? (INR)

A

GNSS, ILS, GLS, VOR, MB