Definition
A method of refueling an aircraft in which fuel is pumped into the tanks under pressure through a single fueling point, typically located on the underside of the wing or fuselage, rather than poured in through individual filler caps on top of each tank.
Plain English
Instead of climbing onto the wing and pouring fuel into open tank caps, the fuel truck connects to one port on the aircraft and pumps fuel in under pressure. The fuel is automatically routed to all the tanks through internal plumbing.
Context Anchor
Seen in aircraft servicing procedures, maintenance manuals, and ramp operations, especially on larger aircraft that are not normally fueled through open filler caps.
Derivation
Pressure comes from a Latin word meaning “to press.” In this term, it helps show that fuel is being moved by controlled pushing force from the fueling equipment, not simply by gravity or hand pouring.
Why Pilots Care
Reduces refueling time, lowers spill risk, and allows ground crews to service larger aircraft safely without climbing on wings.
Intuition Check
Do not read “pressure fueling” as just “fueling done quickly.” The key idea is a sealed connection with fuel pumped in under controlled pressure.
Example Sentence 1
The line crew used pressure fueling to top off the jet's tanks in under fifteen minutes before the next leg.
Example Sentence 2
After pressure fueling, the pilot verified the fuel quantity on the cockpit gauges before starting the pre-taxi checklist.