M11.5.2

Question 1

What is long range coms?

Answer 1

High frequency- bounces off the ionosphere

Satcom - frequency bounces off the satellites can also send data via sat com

Question 2

What is the frequency for VHF?

Answer 2

30mhz - 300mhz

Question 3

What is the frequency for HF?

Answer 3

3mhz - 30mhz

Question 4

What are the three different types of microphones?

Answer 4

Integrated microphone (boom mic), hand held mic, area mic

Question 5

In event of an emergency when using oxygen masks whose microphone will override the others?

Answer 5

The captains mic

Question 6

What are the two types of cockpit recorder?

Answer 6

Analog tape recorder (last 30mins) and digital solid state recorder (last 120mins)

Question 7

When does the CVR stop recording?

Answer 7

5mins after final engine shutdown

Question 8

What is the bandwidth for aircraft coms?

Answer 8

118mhz - 136mhz

Question 9

What is the emergency frequency?

Answer 9

121.5 MHz

Question 10

How many frequencies are VHF split into?

Answer 10

760 (every 25kHz)

Question 11

What is a side tone?

Answer 11

This is when you talk you can hear yourself and if you can’t hear it it is an indication that it is broken

Question 12

What are the three main parts parts of satcom?

Answer 12

Satellites, aircraft Earth station, ground earth station