Chapter 5 - Communications

Question 1

The SELCAL lights are extinguished when:

Answer 1

The button is pushed or transmission takes place.

Question 2

The FLT INT switch:

Answer 2

Connects the flight with the cabin interphone.

Question 3

What is the dual purpose of the CONTRAN VHF light ?

Answer 3

-It indicates that you are stepping on a transmission and it indicates a stuck mic when transmission is more then 20 sec. Transmission ended after 30sec.

Question 4

The CONTRAN VHF light is flashing. Why ?

Answer 4

A continuous transmission is happening for more than 30sec.

Question 5

The voice recorder in AUTO records from… until…

Answer 5

Engine start until 5min after engine shutdown.

Question 6

Can both HF radio’s receive simultaneously ? Transmit simultaneously ?

Answer 6

Yes and no.

Question 7

You are stepping on a VHF transmission. The CONTRAN system prevents this. How can it be overridden ?

Answer 7

By pushing the PTT twice rapidly.

Question 8

Does the SELCAL system also monitors VHF ?

Answer 8

Yes.