Plain English Meaning
The set steps a pilot or fueler follows to put fuel into an airplane safely — making sure it is the right fuel, that static electricity cannot cause a spark, and that everything is closed up properly afterward.
Full Definition
The standardized steps used to safely add fuel to an aircraft, including positioning the aircraft, bonding it electrically to the fuel source to prevent static discharge, verifying the correct fuel type and grade, controlling the flow of fuel into the tanks, and confirming caps and panels are secured before flight.
Context Anchor
Seen during preflight planning, at the fuel pump or fuel truck, and in the aircraft’s operating handbook or checklist.