What does “fuel jettison” refer to?

"Fuel jettison" refers specifically to the process of releasing fuel from an aircraft to reduce its weight in an emergency situation. This maneuver is crucial for ensuring the safety of the aircraft during critical scenarios, such as when a landing must be made with an excessive weight that could compromise control or structural integrity.

The need to reduce weight can arise from various circumstances, such as engine malfunctions, structural issues, or if the aircraft is significantly over its landing weight. By jettisoning fuel, the pilot can ensure that the aircraft can safely land without risking damage or loss of control.

In contrast, the procedures related to refueling, checking fuel levels, or transferring fuel to another aircraft do not involve the act of intentionally releasing fuel to reduce weight. These processes have different operational contexts and objectives compared to fuel jettisoning.