Communications

Question 1

What are the Radio Tuning Units used for (RTUs)?

Answer 1

Exclusively to tune frequencies for various radios, including NAVAID if necessary

Question 2

What radio is dedicated to ACARS data?

Answer 2

VHF 3

Question 3

Can you use VHF 3 to talk to ATC?

Answer 3

No, only used for ACARS

Question 4

How can you talk handsfree over the flight interphone system?

Answer 4

By witching the “RT IC” switch to I/C on the respective ACU

Question 5

How do you make a PA announcement?

Answer 5

1. Ensure PA button is selected on intercom control panel
2. Transmit knob must be selected to PA on your ACP
3. Transmit using the PTT button

Question 6

The CVR automatically records the last ________ minutes.

Answer 6

120

Question 7

How do you squelch a frequency on the RTU?

Answer 7

Double press active frequency

Question 8

What happens when the Captains EMERG/NORM switch on their ACP is set to EMERG?

Answer 8

The CA will only have:

1. 2 way comms on VHF 1
2. Audio on NAV 1
3. Aural alerts

Question 9

What will happen if you press the “EMERG” button on the interphone communications panel?

Answer 9

1. FA station emergency light will flash
2. mid cabin exit sign will flash
3. Aural tone

Question 10

What indicates the CVR had a good test?

Answer 10

The test light will illuminate after it is held for 5 minutes or more

Question 11

When does the CVR begin recording?

Answer 11

As soon as electrical power is established

Question 12

When does the FDR start recording?

Answer 12

When the beacon or strobes are turned on and the aircraft is weight off wheels