pressure refueling

pressure refueling

pressure refuelingclick for a larger image
Fueling control panel under the wing of a jet transport aircraft.
The method of refueling an aircraft in which fuel is delivered under the pressure of 50 psi (350 kilopascals) from the refueler through a single point, usually located under the wing. Pressure refueling is much quicker than gravity fueling. The fuel tanks are filled to the desired level according to the sequence selected by the fueling personnel. This method of fueling saves time and effort significantly.
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Both configurations will offer single-point pressure refueling to enable faster turnarounds.
AMR2 Border's dedication to safety led him to check for pooling of the fluid in the pressure refueling port and for drip rates onto the flight deck.
An HH-60H Seahawk of Helicopter Combat Support Special Squadron 4 suffered Class A damage when the fuel cell encasement fractured during pressure refueling in Iraq on 6 July.
If the ALL TEST float switch was left in the FLOW position during a previous refueling, remember to flip it back to the PRI OFF position before pressure refueling.
For example, castings for Rolls Royce helicopter engines, Dowty Rotol helicopter winch drums, high pressure refueling manifolds for tanker aircraft and Royal Ordinance PLC gun cradles all have been produced using this technique.

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