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

AM.II.J.R3

Risk management

Fuel spills.

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. 14-57
Chapter 14: Aircraft Fuel Systems › Fueling & Defueling Procedures › Fire Hazards When Fueling or Defueling
spark, even one caused by static electricity, could be enough for ignition. Any potential for sparks must be nullified. Spilled fuel poses an additional fire hazard. A thin layer of fuel vaporizes quickly. Small spills should be wiped up immediately ... spills can be flooded with water to dissipate the fuel and the potential for ignition. Do not sweep fuel that has spilled onto the ramp. Class B fire extinguishers need to be charged and accessible nearby during the fueling…
Aviation Maintenance Technician Handbook - General p. 1-26
Chapter 1: Safety, Ground Operations, & Servicing › Fuel Servicing of Aircraft › Fueling Procedures
forms of protection, such as rubber gloves and aprons, can also protect the skin from the effects of spilled or splashed fuel. Figure 1-31. Aviation gasoline color and grade reference. Figure 1-32. Refueling an aircraft by the over ... open the fuel tank. 6. Protect the wing and any other item on the aircraft from damage caused by spilled fuel or careless handling of the nozzle, hose, or grounding wires…
Aviation Maintenance Technician Handbook - Airframe p. 14-18
Chapter 14: Aircraft Fuel Systems › Fuel System Components › Fuel Tanks
shifting rapidly during flight maneuvers. Use of a scupper constructed around the fuel fill opening to drain away any spilled fuel is also common…