Indicating / Recording DSC 31 ND EFIS CLOCK FLT REC

Question 1

The ND can provide weather radar image in all modes except______?

Answer 1

PLAN

Question 2

What is displayed for a navaid tuned:

a) manually through the MCDU
b) from an Radio Management Panel (RMP)
c) automatically by the FMGC

Answer 2

All white in bottom LHS ND

a) M underlined
b) R underlined
c) nothing

Question 3

ILS 1 information appears on which PFD and ND?

Answer 3

PFD 1 and ND 2

and viceverca for ILS 2

Question 4

When does the ND display the EGPWS terrain picture?

Answer 4

When:

• TERRAIN ON ND switch selected ON, and
• ND is NOT in the PLAN mode

Question 5

When will a TERR CHANGE MODE (red/amber) indication be displayed on the ND?

Answer 5

During a Terrain Awareness Display (TAD) warning or caution, and
PLAN selected

Question 6

When will a TERR REDUCE RANGE (red/amber) indication be displayed on the ND?

Answer 6

During a Terrain Awareness Display warning or caution, and

selected range is 160nm or 320 nm

Question 7

What indications differentiate between terrain and weather display on the ND?

Answer 7

• TILT is replaced by blue TERR

- terrain display sweeps from centre outward to both ND sides

Question 8

What happens if a terrain or obstacle alert (either caution or warning) is generated and the TERR ON ND is not selected?

Answer 8

Terrain is automatically displayed, and

TERR ON ND pb ON light illuminates

Question 9

Where does the clock send time information to?

Answer 9

Centralised Fault Data Interface Unit
Flight Data Interface Unit
Flight Management and Guidance Computer (FMGC)

Question 10

The clock has 2 electrical supplies, one of which is the…….?

Answer 10

Battery hot bus

Question 11

The clocks internal time is initialised with………?

Answer 11

The latest valid GPS information

Question 12

With reference to the clock, To comply with time precision requirements for ATC Datalink communication the flight crew must either….?

Answer 12

Use the clock in GPS mode, or

Use the clock in INT mode and synchronise with GPS at least once per day

Question 13

How many hours of data can the Digital Flight Data Recorder (DFDR) store?

Answer 13

at least 25hrs

Question 14

When is the DFDR system automatically active?

Answer 14

On the ground:

• during first 5mins after aircraft electrics ON
• after first engine start

In flight:
whether engines are running or not

Question 15

WHen does the DFDR automatically stop?

Answer 15

On the ground 5mins after second engine shuts down

Question 16

How can the Crew start the CVR, DFDR and QAR manually?

Answer 16

• when on the ground by pressing the GND CTL pb

- blue ON light illuminates

Question 17

When will the blue ON light in the GND CTL pb automatically turn off?

Answer 17

After engine start as the recorders automatically operate