Aviation Mechanic - General, Airframe, and Powerplant › II. Airframe › Task J. Aircraft Fuel Systems

AM.II.J.K5

Knowledge

Fuel transfer, fueling, and defueling.

Study note

Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Aviation Maintenance Technician Handbook - Airframe p. 14-14
Chapter 14: Aircraft Fuel Systems › Aircraft Fuel Systems › Jet Transport Aircraft Fuel Systems
system of a Boeing 737. A transport category aircraft fuel distribution subsystem consists of the pressure fueling components, defueling components, transfer system, and fuel jettison or dump system. Single-point pressure fueling at a fueling…
Aviation Maintenance Technician Handbook - Airframe p. 14-21
Chapter 14: Aircraft Fuel Systems › Fuel Tanks › Integral Fuel Tanks
positive pressure. On various aircraft, these in-tank boost pumps are also used to transfer fuel to other tanks, jettison fuel, and defuel the aircraft…
Aviation Maintenance Technician Handbook - Airframe p. 14-47
Chapter 14: Aircraft Fuel Systems › Fuel Tank Repair › Integral Tanks
They occur when the sealant used to seal the tank seams loses its integrity. To repair, fuel needs to be transferred or defueled out of the tank. You must enter large tanks on transport category aircraft. Preparing the tank ... safely. Clothing that does not cause static electricity and a respirator is worn. Figure 14-90. A rigid removable fuel tank with welded seams is repaired by welding. An observer is stationed outside of the tank to assist…