Flashcards in Communication Deck (24)
The cockpit voice recorder (CVR) records...
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.
When is the cockpit voice recorder (CVR) energized automatically?
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.
RMP #1 is dedicated to which VHF radios?
VHF 1 and 3.
What is the purpose of the flight interphone system?
This system allows the flight crew members to communicate among themselves and through a jack on the external power panel with the ground mechanic.
Which RMP's are operative during an EMER ELEC CONFIG?
Only RMP 1.
Which subsystems are part of the communication system?
VHF/HF transceivers radio tuning systems (RMP) and audio integrated systems (AMU & ACP).
One of the flight attendants in the cabin has pressed the emergency call button. What indication will you get in the flight deck?
Three long buzzers flashing EMER CALL EMER ON and ACP ATT lights.
How can you get the mechanics attention when he is outside the aircraft?
Use the MECH pb switch on the CALLS panel which sounds an external horn.
How do you erase the CVR?
Press the CVR ERASE pb when the aircraft is on the ground with the parking brake set.
Where are the interphone jacks located?
Forward electronic compartment electric compartment avionic compartment engine (L & R) belly fairing panel aft fuselage and near the APU bay.
Which RMP is powered in the Emergency Electrical Configuration?
Which communication radio is powered in the Emergency Electrical Configuration?
VHF COM 1
What happens with the ITM's initiate an emergency call?
- 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
With the INT/RAD switch on the ACP in the INT position and the side stick transmit switch keyed, what will you transmit on?
The radio selected by its transmission key on the ACP
What methods would the crew utilize to make a PA announcement?
- 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
What is the AUDIO SWITCHING PANEL used for?
Allows for switching to ACP 3 if ACP 1 or 2 fails.
What does the CVR record?
ACPs and cockpit area microphone
How do you record the ITM's PAs?
ACP 3 PA VOL knob out and in the 3 o'clock position
What does the illumination of the CALL light on the VHF transmission keys indicate?
the SELCAL system detects a call
Will the loudspeaker control knob control the loudness of the aural alert and voice messages?
How are communication radios controlled?
From any one of the 3 RMPs
What would cause the SEL indicator to illuminate on both RMPs?
When a communication radio normally associated with one RMP is tuned by another RMP
How many transponders are installed?