Communications

Question 1

What is the standard emergency frequency for the RMP panel usually set on VHF during cruise?

Answer 1

121.5 MHZ. Options are 243 or 406.025 MHZ

Question 2

How long does the CVR record?

Answer 2

Last 2 hours of communication

Question 3

What does the CVR record?

Answer 3

Cockpit radio communications and conversations, PA address and aural warnings

Question 4

If the GND CTL is not On, will the CVR Test work and test the CVR?

Answer 4

No

Question 5

How long does the DFDR record?

Answer 5

25 hours

Question 6

When do the CVR and DFDR operate?

Answer 6

In the Auto Mode:

On the ground, turns on when power is introduced to the aircraft then shuts down after 5 minutes.

Operates in flight with or without engines operating.

Back on the ground, shuts down 5 mins after the last engine is shut down