The readability of radio transmissions

Question 1

Give the complete readability scale (in English)

Answer 1

5 - Perfectly readable
4 - Readable
3 - Readable but with difficulty
2 - Readable now and then (=temps en temps)
1 - Unreadable

Question 2

fAter your readability check, the air traffic controller declares a transmission quality “3”. What is the meaning of it?

Answer 2

Readable but with difficulty

Question 3

What readability classification should be used to describe a VHF radio transmission that is “readable”?

Answer 3

Readability 4

Question 4

What readability classification should be used to describe a VHF radio transmission that is “readable now and then”?

Answer 4

Readability 2

Question 5

You are on the apron, the engine is just started and you make your initial call to the tower. The controller is answering you “readability 3”. Could you start the taxi?

Answer 5

No, readability 4 is a minimum for safe operations. You first have to repair your radio