Chapter 3: Air Traffic Communication Systems and Procedure

Question 1

Which of the equipment from the early days of Air-Ground Communication is still used?

Answer 1

Flash Guns and Morse Code

Question 2

What is the frequency for VHF Communication?

Answer 2

118-137 MHz

Question 3

What is the frequency for HF Communication?

Answer 3

2, 8-22.0 MHz

Question 4

What is the phraseology for a distress call?

Answer 4

MAYDAY MAYDAY MAYDAY

Question 5

What is the phraseology for an urgency message?

Answer 5

PAN-PAN, PAN-PAN, PAN-PAN

Question 6

What is the squawk code and radio frequency for an emergency/distress call?

Answer 6

Squawk Code 7700, 121.5MHz frequency

Question 7

What is the squawk code for Hijack?

Answer 7

7500

Question 8

What is the squawk code for Radio Failure?

Answer 8

7600

Question 9

What is the squawk code for Emergency?

Answer 9

7700

Question 10

What is SELCAL?

Answer 10

Selective Calling Telephone in the Sky

Question 11

What are the ways for an ATC to determine whether the aircraft’s receiver is functioning?

Answer 11

Make a specified maneuver, aircraft operate INDNT, or make SSR Code changes to confirm that aircraft can still read instructions

Question 12

What should an ATC do in the event of a full communication failure?

Answer 12

Inform all adjacent control positions or ATC -> Apprise and Update Situation with adjacent ATC -> Instruct adjacent control positions or ATC units to hold or re-route all controlled flights outside the sector