Communications Flashcards
The EICAS Message _________ displays if a HF or VHF radio transmits for more than 30 seconds.
RADIO TRANSMIT
What happens on the ground when a VHF radio is transmitting for longer than 35 seconds?
The radio transmitting is disabled until the switch is released
To Transmit using the boom microphone and the ACP Panel, what position should the Push-To-Talk switch be in?
R/T
What are the freighter interphones?
Cargo
Upper Deck
Cargo deck intercom
Service interphone
When the ground crew calls the flight crew, what button on the Call Panel will illuminate?
Ground
The Service Interphone Switch is used to connect the service interphone to the __________.
Flight Interphone
When does the HF tone last longer than 7 seconds indicate?
A failure of the system
The HF L (left) sensitivity can be adjusted by the ______ radio tuning panel.
Left
How many VHF radios are on the B747?v
3
When is the voice recorder powered?
Normal AC power applied to the aircraft
Voice recorder FAR
121.359
The Voice Recorder can be erased only when ______________.
The aircraft is on the ground
