JO 7110.65 — Air Traffic Control
JO 7110.65 3-7-3
GROUND OPERATIONS
This reproduces published FAA reference text for study. It does not replace the current official FAA publication or regulation.
Avoid clearances which require:
Super or heavy aircraft to use greater than normal taxiing power.
Small aircraft or helicopters to taxi in close proximity to taxiing or hover‐taxi helicopters. NOTE-
Use caution when taxiing smaller aircraft/helicopters in the vicinity of larger aircraft/helicopters. Controllers may use the words rotor wash, jet blast, or prop wash when issuing cautionary advisories.
EXAMPLE-
“Follow Boeing 757, Runway Three-Six Left, taxi via Alpha, Caution jet blast.”
or
When appropriate,
“Follow CH-53, Runway Two-One, taxi via Bravo, Caution rotor wash.”
REFERENCE-
AC 90-23, Aircraft Wake Turbulence, Para 10 and Para 11.
Retrieved from ecfr.gov on July 20, 2026.