JO 7110.65 Air Traffic ControlJO 7110.65BB · Change 3 · Effective 7/9/2026
Chapter 9 · Section 4
Fuel Dumping
5 Paragraphs9-4-1–9-4-5
9-4-1 INFORMATION REQUIREMENTS
When information is received that an aircraft plans to dump fuel, determine the route and altitude it will fly and the weather conditions in which the operation will be conducted.
9-4-2 ROUTING
Except when it is dumping fuel for emergency reasons, an aircraft in either VFR or IFR conditions may be requested to fly a different route.
9-4-3 ALTITUDE ASSIGNMENT
If an aircraft is dumping fuel in IFR conditions, assign an altitude at least 2,000 feet above the highest obstacle within 5 miles of the route or pattern being flown.
9-4-4 SEPARATION MINIMA
Separate known aircraft from the aircraft dumping fuel as follows:
IFR aircraft by one of the following:
1,000 feet above it; or in accordance with paragraph 4-5-1, Vertical Separation Minima, whichever is greater.
2,000 feet below it.
5 miles radar.
5 miles laterally.
VFR radar‐identified aircraft by 5 miles and in accordance with paragraph 5-6-1, Application.
9-4-5 INFORMATION DISSEMINATION
If you are in contact with an aircraft when it starts dumping fuel, inform other controllers and facilities which might be concerned. Facilities concerned must broadcast an advisory on appropriate radio frequencies at 3-minute intervals until the dumping stops.
PHRASEOLOGY
ATTENTION ALL AIRCRAFT. FUEL DUMPING IN PROGRESS OVER (location) AT (altitude) BY (type aircraft) (flight direction).
Broadcast a terminating advisory when the fuel dumping operation is completed.
PHRASEOLOGY
ATTENTION ALL AIRCRAFT. FUEL DUMPING OVER (location) TERMINATED.