When ATC changes your clearance in the air: reading back an amendment
You read back the clearance, you settle in, and then ATC comes back with a change. The amendment is where read-backs fall apart, because habit fights the new number. Here is how to stay ahead of it.
What an amendment is
ATC changes something already issued — a new heading, a new altitude, a frequency, or a routing. The amendment replaces the old instruction the moment you read it back.
Catch the new number
The trap is hearing the change but reading back the old value out of muscle memory. Write the new number down before you key the mic, then read what you wrote.
Heading amendment
“Cessna One Two Three Four Five, turn left heading two seven zero.” Read back both the direction and the number: “Left heading two seven zero, One Two Three Four Five.”
Altitude amendment
“Climb and maintain six thousand.” Read it back word for word — altitude is the one ATC will absolutely correct you on, and the one that keeps you separated from other traffic.
Frequency change
“Contact approach on one two four point seven.” Read back the frequency, switch, then make your new call. Reading it back first means you never lose the number mid-switch.
When you did not catch it
“Say again” is always the right answer. Never read back a guess on an amendment — a wrong read-back the controller misses is worse than asking twice.
Drill the curveballs
Clearspar has an amendment mode where ATC throws a change after your first read-back, exactly like the real thing. Practice it free until the new number comes naturally.
Practice these calls with instant grading — free.
Start training →