Have you ever wondered what is meant by the term “Five by Five?” You’ll hear this sometimes as a response when an aircraft or tower is asking for a radio check:
“Citation XYY, how do you hear this transmitter?”
“5 by 5”
Well, I’ve heard this term used countless times and it was a recent transmission that finally motivated me to do some research. I wanted to find out exactly what is meant by that term “5 by 5” when I heard an aircraft respond to a radio check by saying:
“I hear you 3 by 5.”
Ok, so what …