Chapter 5 - Communications

Question 1

Which statement is true concerning the Cockpit Voice Recorder?

Answer 1

Only one channel records flight deck area conversations using the area microphone

Question 2

The Audio Control Panel (ACP) push-to-talk switch

Answer 2

has an R/T position. This position keys the oxygen mask or boom microphone for transmission as selected by the transmitter selector.

Question 3

In the degraded mode, the audio system cannot access the passenger address system through
the audio control panel.

What are combinations for transmission and reception at the degraded station?

Answer 3

Captain/VHF-1, F.O./VHF-2, Observer/VHF-1.

Question 4

The Flight Deck CALL light illuminated blue:

Answer 4

indicates that flight attendants or ground crew is calling the flight deck.

Question 5

Altitude alert, Ground Proximity Warning System (GPWS), and windshear are:

Answer 5

not heard (audio warnings) on an audio system operating in the degraded mode

Question 6

In the degraded mode, the ACP allows:

Answer 6

Only one radio to operate for each ACP and cockpit speakers and hand mike will not operate.

Question 7

The flight data recorder is powered by:

Answer 7

The #1 AC Transfer Bus and the Battery Bus

Question 8

The FDR operates on the ground with:

Answer 8

Electrical power and either engine running.

Question 9

The FDR operates in flight with:

Answer 9

Electrical power available (even with both engines shutdown as long as APU is running).

Question 10

The OFF light of the FDR indicates:

Answer 10

1. loss of power
2. electric malfunction
3. loss of input data