Stage 4 Navigation

Question 1

What does the ADIRS system include? 8 items

Answer 1

1) Three ADIRU
2) ADIRS Control Panel
3) Pitot tubes (3)
4) Static Ports (6)
5) AOA Probes (3)
6) TAT Probes (2)
7) 8 ADM
8) ADR Switching facility

Question 2

What supplies ADIRU 3?

Answer 2

STBY probes and CAPT TAT

Question 3

What does the steady FAULT light signify on IR? Flashing?

Answer 3

Respective IR is lost.

Flashing: can be recovered in ATT mode

Question 4

Does the BAT light come in fast alignment?

Answer 4

No

Question 5

What are the indications when an ADIRU is operating on batteries?

Answer 5

1) External horn sounds

2) ADIRU/AVNCS light comes on external power panel

Question 6

ABY fleet ADIRU differences?

Answer 6

ABM has a more classical CDU than the rest of the fleet

Question 7

What does IRS IN ALIGN amber ECAM memo signify?

Answer 7

When an IRS is in alignment with an engine running

Question 8

When does Mach start to appear on PFD?

Answer 8

When Mach > 0.5 Climb and 0.45 Descent

Question 9

What does the GPS system include?

Answer 9

Two GPS receivers: each includes

1) GPS Sensor Unit (GPSSU)
2) MMR (Multimode receiver)

Question 10

What does GPS1 provide for and GPS2?

Answer 10

GPS 1 for ADIRU 1 and 3
GPS 2 foe ADIRU 2
(If one GPS fails all ADIRUS receive from the operative one)

Question 11

What system may affect the operation of the STBY Compass?

Answer 11

APU start sequence may disturb its reading

Question 12

What caution is there when using the ISIS LS?

Answer 12

It doesn’t correct reverse sensing of ILS in back course

Question 13

What are the three modes for Radio Nav?

Answer 13

1) Auto tuning
2) Manual tuning
3) Back up tuning

Question 14

What does each RMP control in Backup NAV tuning>

Answer 14

RMP 1 for VOR 1 ADF 1
RMP 2 for VOR 2 ADF 2
Both control ILS

Question 15

What system includes the marker beacons?

Answer 15

VOR 1

Question 16

What happens when ILS is tuned by RMP?

Answer 16

The DME is not shown on PFD

Question 17

Do RA callouts override an OFF loudspeaker?

Answer 17

Yes

Question 18

When does RA callout RETARD?

Answer 18

20 ft (10 feet autoland)

Question 19

How many ADFs on ABY fleet?

Answer 19

One. It’s ADF 1

Question 20

Does ABY fleet have BUSS?

Answer 20

Yes all except ABM

Question 21

Does ABY fleet have DDRMI?

Answer 21

No

Question 22

Is IRS alignment based on GPS position for ABM?

Answer 22

No

Question 23

Is IRS alignment based on GPS position for ABM?

Answer 23

No

Question 24

Does ABY fleet have Steep APPR capability?

Answer 24

No

Question 25

Memory items associated with NAV system?

Answer 25

Yes, Unreliable Speed and Stall Warning

Question 26

What system is available when all ADR are lost? How is it used?

Answer 26

BUSS (Back Up Speed Scale)

Fly the green area of BUSS.

Question 27

How do you configure A/C using BUSS?

Answer 27

Top of the green for retraction and Bottom of green for deploying flaps.

Question 28

Where may crew find altitude reference when all ADR is lost?

Answer 28

GPS Altitude

Question 29

When is ALT Discrepancy trigger? ATT Discrepnacy? HDG Discrepancy?

Answer 29

1) i- 500 on STD BARO
ii- 250 on QNH
2) ATT Diff > 5
3) HDG Diff > 5

Question 30

What must be regarded in RVSM regarding XPNDR fails?

Answer 30

AP 1 Connects to SYS 1

AP2 Connects to SYS 2

Question 31

What is an important subsystem that is lost with ILS 1?

Answer 31

GPWS

Question 32

What important subsystem MAYBE lost with IR 1? Can it be recovered?

Answer 32

TCAS, Yes if IR 1 operates in ATT mode.

Question 33

Is there a procedure for Triple IR fail?

Answer 33

No

Question 34

In case full ADIRU fail, which fault is to be addressed first?

Answer 34

ADR first