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Auxiliary Fuel Tanks

Auxiliary Fuel Tanks

Fuel tanks installed which make additional fuel available for increasing the flight range of that airplane are “Auxiliary Fuel Tanks“. The term “auxiliary” means that the tank is secondary to the airplane’s main fuel tanks; i.e., the functions of the main tanks are immediately available and operate without immediate supervision by the flightcrew in the event of failure of inadvertent depletion of fuel in an auxiliary tank. Auxiliary tanks are usually intended to be emptied of usable fuel during flight and have been installed in various locations including center wing structure, horizontal stabilizers, wings and cargo compartments.

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