Chapter 4.6 - General Radio and Transponder Procedures

Question 1

Name three Aeronautical Telecommunication Services used in Aviation in Australia?

Answer 1

• Communication Services.
• Radionavigation Services.
• Special Broadcast Services.

Question 2

Name five types of Communication Service Messages?

Answer 2

• Distress Messages.
• Urgency Messages.
• Flight Safety Messages.
• Meteorological Messages.
• Flight Regulatory Messages.

Question 3

Define Distress Messages?

Answer 3

State of being threatened by serious/imminent danger and requires immediate assistance.

Question 4

Define Urgency Messages?

Answer 4

Reporting an incident concerning Aircraft and/or person on board which requires priority.

Question 5

Define Flight Safety Messages?

Answer 5

Immediate concern to an Aircraft with regards to movements, control meteorology etc.

Question 6

Define Meteorology Messages?

Answer 6

MET information not included in Flight Safety Messages.

Question 7

Define Flight Regulatory Messages?

Answer 7

Not of immediate concern with regards to schedules, servicing, landings etc.

Question 8

What does CA/GRS stand for?

Answer 8

Certified Air/Ground Radio Service.

Question 9

What does AAIS stand for?

Answer 9

Automatic Aerodrome Information Service.

Question 10

What does UNICOM stand for?

Answer 10

Universal Communications.

Question 11

What frequency is designated to Interpilot Air-to-Air communication?

Answer 11

123.45 MHz.

Question 12

What does AFRU stand for?

Answer 12

Aerodrome Frequency Response Unit.

Question 13

What three MHz bands are used in HF COM?

Answer 13

• 3 MHz.
• 6 MHz.
• 8 MHz.

Question 14

When should a Pilot use 3 MHz Band in HF COM?

Answer 14

At night/early in the morning.

Question 15

When should a Pilot use 6 MHz Band in HF COM?

Answer 15

During daylight hours when 3 MHz is not getting results.

Question 16

When should a Pilot use 8 MHz Band in HF COM?

Answer 16

Hot summer weather.

Question 17

What does SPI stand for in Transponder terms?

Answer 17

Special Position Identification.

Question 18

Which temporary squawk code should be used for VFR flights in Class E and G Airspace?

Answer 18

1200.

Question 19

In an emergency situation, which squawk code should a Pilot select?

Answer 19

7700.

Question 20

If they is a loss in two-way radio communication, which code should a Pilot select in Controlled Airspace?

Answer 20

7600.

Question 21

An Aircraft subject to unlawful interference should squawk what code?

Answer 21

7500.