SH Chapter 14 - Navigation

Question 1

1) What does the ON BAT light indicate?

Answer 1

At least one ADRIU is powered by the battery

Question 2

2) How long will each ADIRU stay on battery power?

Answer 2

2 & 3 will remain on for five minutes

1 until battery #2 fails

Question 3

3) What information is provided by the “IR units?

Answer 3

Attitude, flight path vector, track, heading accelerations, angular rates, ground speed and aircraft position.
(FAATHAG)

Question 4

4) What information is provided by the “ADR” units (BOATS)?

Answer 4

B - Barometric altitude
O - Overspeed warnings
A - AoA
T - Temperature
S -  Speed (airspeed and Mach)

Question 5

5) What does a steady white ALIGN light indicate (older panel with keypad)?

Answer 5

The respective IR is aligning

Question 6

6) How does the ADIRS panel indicate that an IR is in ALIGN mode?

Answer 6

Green IRS IN ALIGN X MINS is displayed

Question 7

7) What does a flashing white align light mean?

Answer 7

Fault or no present position after 10 mins or difference between position at shutdown and entered.
(No Bad Move)

Question 8

8) How is the crew alerted to the FMGS having no current position, an incorrect position or if the aircraft has moved during the alignment?

Answer 8

Flashing white ALIGN

Question 9

9) What does the IR pushbutton do on the newer ADIRS panel?

Answer 9

Turns the respective IR off

Question 10

10) What does steady illumination of the amber IR FAULT light indicate?

Answer 10

Associated IR is lost

Question 11

11) What does flashing illumination of the amber IR FAULT light indicate?

Answer 11

Attitude and heading information may be recovered by turning the rotary knob to ATT mode.

Question 12

12) What does the amber ADR FAULT light indicate?

Answer 12

Associated ADR has failed

Question 13

13) Does turning the IR Mode Rotary Switch to OFF also turn off the ADR?

Answer 13

Yes

Question 14

14) Can you turn the ADR OFF and still have the IR?

Answer 14

Yes, by pushing the ADR pb.

Question 15

15) What would be missing on the Captain’s PFD and ND if IR1 failed or was turned OFF?

Answer 15

Attitude, flight path vector, track, heading, accelerations, angular rate, ground speed and aircraft position.

Question 16

16) What action would recover the attitude and navigation information if IR1 failed or was turned off?

Answer 16

Turn the ATT HDG knob on switching panel to CAPT 3.

Question 17

17) What would restore the lost altitude and airspeed information if IR1 failed or was turned off?

Answer 17

Turn the AIR DATA knob on switching panel to CAPT 3

Question 18

18) Which RMP is powered in the Emergency Electrical Configuration?

Answer 18

RMP 1 only

Question 19

19) If the NAV key is selected on either RMP, can the FMGC still auto tune navaids?

Answer 19

No. Takes the control away from FMGS to the RMP.

Question 20

20) How many transponders are installed?

Answer 20

2

Question 21

21) Does illumination of the ATC FAIL light indicate loss of all transponder capability?

Answer 21

Yes for that specific unit. Will still have other unit.