Communication

Question 2

The cockpit voice recorder (CVR) records…

Answer 2

direct conversations between crewmembers in the cockpit all aural warnings sounded in the cockpit communications received and transmitted by radio intercommunication conversations between crew members and announcements transmitted over the PA system if PA reception is selected on the third audio control panel.

Question 3

When is the cockpit voice recorder (CVR) energized automatically?

Answer 3

On the ground during the first 5 minutes after the aircraft electrical network is energized on the ground with one engine running and in flight.

Question 4

RMP #1 is dedicated to which VHF radios?

Answer 4

VHF 1 and 3.

Question 5

What is the purpose of the flight interphone system?

Answer 5

This system allows the flight crew members to communicate among themselves and through a jack on the external power panel with the ground mechanic.

Question 6

Which RMP’s are operative during an EMER ELEC CONFIG?

Answer 6

Only RMP 1.

Question 7

Which subsystems are part of the communication system?

Answer 7

VHF/HF transceivers radio tuning systems (RMP) and audio integrated systems (AMU & ACP).

Question 8

One of the flight attendants in the cabin has pressed the emergency call button. What indication will you get in the flight deck?

Answer 8

Three long buzzers flashing EMER CALL EMER ON and ACP ATT lights.

Question 9

How can you get the mechanics attention when he is outside the aircraft?

Answer 9

Use the MECH pb switch on the CALLS panel which sounds an external horn.

Question 10

How do you erase the CVR?

Answer 10

Press the CVR ERASE pb when the aircraft is on the ground with the parking brake set.

Question 11

Where are the interphone jacks located?

Answer 11

Forward electronic compartment electric compartment avionic compartment engine (L & R) belly fairing panel aft fuselage and near the APU bay.

Question 12

Which RMP is powered in the Emergency Electrical Configuration?

Answer 12

RMP 1

Question 13

Which communication radio is powered in the Emergency Electrical Configuration?

Answer 13

VHF COM 1

Question 14

What happens with the ITM’s initiate an emergency call?

Answer 14

• The white EMER ON light and amber CALL lights flash
• The amber ATT lights flash on the ACPs
• 3 long buzzers sound in the cockpit
• System resets when the attendant hangs up the relevant system

Question 15

With the INT/RAD switch on the ACP in the INT position and the side stick transmit switch keyed, what will you transmit on?

Answer 15

The radio selected by its transmission key on the ACP

Question 16

What methods would the crew utilize to make a PA announcement?

Answer 16

• Pressing the PA switch on the ACP and using the boom, hand, or mask microphone, or
• The flight deck handset dedicated to the PA system only

Question 17

What is the AUDIO SWITCHING PANEL used for?

Answer 17

Allows for switching to ACP 3 if ACP 1 or 2 fails.

Question 18

What does the CVR record?

Answer 18

ACPs and cockpit area microphone

Question 19

How do you record the ITM’s PAs?

Answer 19

ACP 3 PA VOL knob out and in the 3 o’clock position

Question 20

What does the illumination of the CALL light on the VHF transmission keys indicate?

Answer 20

the SELCAL system detects a call

Question 21

Will the loudspeaker control knob control the loudness of the aural alert and voice messages?

Answer 21

No

Question 22

How are communication radios controlled?

Answer 22

From any one of the 3 RMPs

Question 23

What would cause the SEL indicator to illuminate on both RMPs?

Answer 23

When a communication radio normally associated with one RMP is tuned by another RMP

Question 24

How many transponders are installed?

Answer 24

Two

Question 25

Does illumination of the ATC FAIL light indicate loss of all transponder capability?

Answer 25

No, only the selected transponder has failed