Communications Flashcards
How many ARCDUs are there in the aircraft?
Two units on the main pedestal
T/F: VHF1 and 2 are used for voice communication.
TRUE
T/F: Pilots can control volume for each COMM radio on the ARCDU.
TRUE
What color are active NAV and COM frequencies shown in?
Green
What color are standby NAV and COM frequencies show in?
Cyan
T/F: A bar to the left of the NAV or COM frequencies displays the volume for the associated receiver.
TRUE
Can also use page 2 for more volume settings
T/F: The pilots can talk to each other via the inter phone/hot mic system, but cannot talk to the ground crew with it (ie. during pushback).
FALSE using service inter phone allows communication
Will the PA light on the ARCDU illuminate when a flight attendant is making an announcement?
YES
What is pushing the CHIME button on the ARCDU commonly used for?
Communicate to the FA reaching a certain phase of flight
Communication system provides:
Internal communication
External communication
Recording for CVR
When EMER key is pressed:
EMER indicator light flashes amber
Aural alert is generated in flight and passenger compartment
Red annunciation light flashes on cabin attendant light panel mid cabin
EMER push button on the light attendant jump seat panel flashes
Automatic reconfiguration _____.
Connects captain to VHF 1, NAV 1, and INT audio only
T/F: The CALL button establishes communications with the crew in the cabin.
TRUE
If both ARCDUs fail, who is the only person that will be able to communicate?
Captain
How many standby VHF COM radios are there in the cockpit?
1 standby VHF control head
