Communications

Question 1

The audio control panel may be used to operate which of the following? [8.50.10]

Answer 1

A. Service interphone.
B. Passenger address system.
C. Flight interphone.
D. All of the above.

Question 2

Pushing the CAB (cabin) transmitter select switch on the audio control panel twice within 1 second. [8.50.10]

Answer 2

Automatically generates a Priority call to Cabin Door 1L.

Question 3

Regarding the Cabin Interphone display page of the TCP, which of the following will result in “PA IN USE” appearing in the scratch pad? [8.50.10]

Answer 3

• A portion of the airplane PA system is in use.
• Both the PA and the video entertainment systems are in use

Question 4

The flight deck Handset directory screen provides a quick means to call up pre- defined stations or group of stations. [8.50.30]

True or False?

Answer 4

True.

Question 5

A “SELCAL” EICAS communications message and a Hi-Lo chime indicate: [8.50.40]

Answer 5

An incoming VHF or HF SELCAL call.

Question 6

Of the VHF radios available, only the Center and Right VHF radios are datalink capable. [8.50.10]

True or False?

Answer 6

True.

Question 7

A VHF or HF radio which transmits continuously for more than 30 seconds generates: [8.50.10]

Answer 7

The EICAS advisory message RADIO TRANSMIT CAPT, FO, or OBS.

Question 8

Stored frequencies are accessed from the main VHF page using the standby frequency step control on the TCP. [8.50.10]

True or False?

Answer 8

True.

Question 9

When the crew oxygen mask is removed from its container: [8.50.30]

Answer 9

The mask microphone is enabled anytime the left oxygen mask door is open.

Question 10

Passenger Address announcements may be made using which of the following devices? [8.50.30]

Answer 10

A. Either the handheld microphone or the oxygen mask microphone.
B. Headset boom mic.
C. Flight deck handset.
D. All of the above.

Question 11

An EICAS GROUND CALL message accompanied by an aural alert chime is responded to by: [8.50.10]

Answer 11

• Selecting the FLT MIC button on an Audio Selector Panel.
• Answering the call using the Flight Deck Handset.

Question 12

A high - low aural chime associated with a crew alert communications message will normally have an associated EICAS communications message. [8.50.10]

True or False?

Answer 12

True.

Question 13

An EICAS advisory message DATALINK SYS indicates: [8.50.40]

Answer 13

The datalink system has failed.

Question 14

The service interphone system when selected on provides voice communications between: [8.50.10]

Answer 14

The flight deck and ground crew stations at various locations around the airplane

Question 15

Which statement is true regarding the transmitter select switches on the audio control panel? [8.50.30]

Answer 15

The CAB and SAT switches may be selected at the same time for cabin to SATCOM conferencing.

Question 16

Which statement(s) is true regarding a CVR test? [8.50.30]

Answer 16

A. Tests area microphone CVR channel.
B. A test tone is heard from the flight deck speakers.
C. An EICAS status message is displayed if the test fails.
D. All of the above.

Question 17

When either HF radio is transmitting, the antenna is disconnected from the other HF radio and cannot be used to transmit or receive. [8.50.10]

True or False?

Answer 17

True.

Question 18

The flight data block on each auxiliary display provides: [8.50.30]

Answer 18

• Selected onside radio VHF or HF mic source frequency.
• Onside radio ACP selected mic source.

Question 19

The communication crew alerting system provides aural and visual alerts for normal operations requiring pilot awareness. [8.50.10]

True or False?

Answer 19

True

Question 20

Which statement is true regarding MFD communications functions? [8.50.20]

Answer 20

The COMM display switch displays the communication’s main menu on the selected MFD.