Communications Flashcards
1
Q
How many VHFs are installed and what are each dedicated to?
A
Three installed.
VHF 1&2 for voice communications.
VHF 3 dedicated to ACARS, but maybe be used as a voice radio for backup.
2
Q
When is CVR activated and deactivated?
A
Activated:
-for 5 minutes when AC electrical system is first activated.
-after the first engine start.
-anytime in flight
Deactivated 5 minutes after last engine shutdown.
