Communications

Question 1

How many MIC PTT switches does each pilot have?

Answer 1

4

-Only place with INT PTT is ATP and control wheel.

Question 2

What controls true switching of Boom and Oxygen mask mic?

Answer 2

• Left oxygen stowage box.
• Oxygen mask mic activates when left hand door is open.
• Open: oxygen mask mic enabled, boom mic disabled.
• Closed plus reset: Oxygen mask mic disabled, Boom mic enabled.

Question 3

What is recorded by the cockpit voice recorder?

Answer 3

• Transmitted or received datalink communications and flight deck audio as selected on the audio control panels.
• Flight deck area conversations.

Question 4

How is HF 1 sensitivity set?

Answer 4

• Sensitivity can be adjusted using any radio tuning panel with the receiver selected.
• Sensitivity control is rendered inop by radio tuning panel failure.

Question 5

How do you identify that the HF transceiver fails to tune?

Answer 5

Tone lasting longer than 7 seconds.

Question 6

Which VHF or HF system can be used for ACARS communication?

Answer 6

All: VHF: (L, C, R) HF: (L, R)

Question 7

When does the VHF stuck mic protection operate?

Answer 7

On the Ground: and VHF transmission lasting longer than 35 seconds is disabled following annunciation of an audio tone.

In flight: 30 seconds, but you must manage it, does not disengage automatically.

Question 8

SELCAL monitors which radio system?

Answer 8

VHF and HF radios.

-Must have frequency tuned to that station.

Question 9

Does an incoming SELCAL trigger any dotted EICAS message and aural alert?

Answer 9

Call light illuminates and chime sounds.

Question 10

How is a SATCOM call initiated and answered?

Answer 10

Using CDU and answered automatically. Speak using mic.

Question 11

When will SATCOM call light extinguish?

Answer 11

Ground party hangs up or pilot ends call on CDU

Question 12

How is communication established with the ground engineer?

Answer 12

Select GND on aft aisle stand call panel and speak through flight inter phone.

Question 13

What are the indications of a call from the ground crew?

Answer 13

• Aural alert chime.

- Illumination of FLT call indication on audio control panel.

Question 14

How can the service interphone be used from the flight deck?

Answer 14

System can be connected to the flight interphone system through the service interphone switch on the overhead panel.

Question 15

Which areas are covered by PA?

Answer 15

Upper deck seating area plus crew rest area.

Question 16

How are ATC uplink messages annunciated in the flight deck?

Answer 16

EICAS “ATC MESSAGE” and a high level aural chime, ATC message block.

Question 17

How are company uplinked messages annunciated in the flight deck?

Answer 17

COMM communication message and aural chime.

Question 18

What EICAS memo message will shownof VHF or HF radio is not available for ACARS?

Answer 18

HF DATA OFF

VHF DATA OFF