Mandatory readbacks
These must be read back word-perfect. Other information (e.g. readability) is acknowledged, not read back.
- ▸Taxi and towing instructions
- ▸Level instructions
- ▸Heading instructions
- ▸Speed instructions
- ▸Airways or route clearances
- ▸Approach clearances
- ▸Runway-in-use
- ▸Clearance to enter, land on, take off on, backtrack, cross or hold short of any active runway
- ▸SSR (squawk) operating instructions
- ▸Altimeter settings — including the units when the value is below 1000 hectopascals
- ▸VDF information
- ▸Frequency changes
- ▸Type of ATS service
- ▸Transition levels
CAP 413 Edition 24, §2.69. A conditional clearance is read back with the condition FIRST and in the same sequence it was given — “behind the landing Cessna, line up runway two four, behind”. Read back complete and in order: an incomplete read-back is harder to spot than a wrong one.
Readback trainer
The controller transmits — type back exactly what you’d say, then get marked on what must be read back.
“G-ABCD, taxi to holding point Alpha, runway 27, QNH 1013.”