Communication

Question 1

What does the cockpit voice recorder record and for how long?

Answer 1

Both ambient cockpit noise and transmissions/interphone, starts from engine start until 5 min after shutdown

Question 2

What does cockpit voice recorder erase switch do and when does it work?

Answer 2

Erases all recording on all four channels and only works on ground with AC power on a parking brake set

Question 3

What does voice/range/both switch on ICS panel control?

Answer 3

Switches between voice radios and navaid ident radios or both