AVOP Radiotelephone Communications 3

Question 1

What does a steady red light gun signal directed at a ground vehicle mean?

Accepted Answer

Stop and hold position

Answer

Steady red means stop and hold your current position.

Question 2

What does 'say again' mean in radio communications?

Accepted Answer

Please repeat your entire last transmission

Answer

'Say again' requests a repetition of the last transmission.

Question 3

What does 'wilco' mean in radio phraseology?

Accepted Answer

Will comply with the instruction

Answer

'Wilco' means 'will comply'—the operator will carry out the instruction.

Question 4

Why should operators avoid using the word 'repeat' on the radio?

Accepted Answer

In military usage it means to fire again, so 'say again' is used instead

Answer

'Repeat' has a military meaning (fire again); 'say again' is the correct aviation term.

Question 5

How should you acknowledge a frequency change instruction from ATC?

Accepted Answer

Read back the new frequency and your call sign

Answer

Read back the new frequency and call sign before switching.

AVOP - Airside Vehicle Operator's Permit Practice Test