Q: After lineup for takeoff, what do we say to ATC (air traffic control): “A-BCD is ready for departure” or “A-BCD is ready for takeoff”?
A: The Aeronautical Information Manual (AIM) contains a great deal of guidance on what to say and when in Chapter 4. While it doesn’t come right out and state: “use ‘departure’ before you get on the runway” and “‘takeoff’ when you are on the runway,” it can be inferred through the example given in 4-3-10:
