Not Able COMMS

The correct word for when you are unable to do something is literally that: UNABLE. This should always be followed by the reason why not, as ATCATC —Air Traffic Control will certainly have good reason for the instruction they have given you.

Get instant access to 341 Communications exam questions.
Start your free trial today.

If ATCATC —Air Traffic Control request you to carry out a maneouvre but weight, performance or TCAS considerations stop you from doing so, what is the correct terminology to use?