15.1.5 Perform Communication System Operations and Procedures

Question 1

How would you identify the inner marker on a Cat II approach?

Answer 1

Push the marker beacon audio selector on the Audio Control Panel

Question 2

Do not use the ________ VHF for ATC communications with ACARS operational.

Answer 2

Center

Question 3

With the captain’s VHF-L selected, what is the captain’s radio directly connected to? (switched/mikes)

Answer 3

• The Captain’s headset,
• Boom mike,
• Control wheel PTT.

Question 4

Is it possible for both HF radios to transmit simultaneously?

Answer 4

No. The other HF radio is disconnected from the antenna and cannot transmit or receive

Question 5

The SELCAL system monitors which radios?

Answer 5

All of the communication radios installed

Question 6

ACARS communicates incoming and outgoing data and messages through which radio?

Answer 6

The center VHF radio

Question 7

The microphones can be keyed using the transmit key on the Audio Control Panel (ACP). What other ways can a microphone be keyed?

Answer 7

• PTT switch on the control wheels

- Any hand microphone

Question 8

With the BOOM/OXY switch in the OXY position, will the BOOM mic work?

Answer 8

No. The oxygen mask microphone is enabled and the boom microphone is disabled

Question 9

HF radios should not be used on the ground when:

Answer 9

The aircraft is being fueled

Question 10

What should be observed during a successful test of the cockpit voice recorder?

Answer 10

The needle displaces to the green band if all four channels are operating