Aeronautical Information Manual
AIM 5-2-4
Taxi Clearance
This reproduces published FAA reference text for study. It does not replace the current official FAA publication or regulation.
Pilots on IFR flight plans should communicate with the control tower on the appropriate ground control or clearance delivery frequency prior to starting engines, to receive engine start time, taxi, and/or clearance information.
Retrieved from ecfr.gov on July 20, 2026.