What are some main safety precautions when working on aircraft fuel systems?

When working on aircraft fuel systems, safety precautions are vital due to the flammable nature of aviation fuels and the potential hazards associated with their handling. The correct choice emphasizes several critical safety practices.

Avoiding open flames is crucial because even a small spark can ignite fuel vapors, leading to catastrophic fires or explosions. Using proper grounding techniques is equally important to prevent static electricity buildup, which can also ignite flammable vapors. Wearing protective equipment, such as gloves and safety goggles, helps protect workers from exposure to harmful chemicals found in fuel and from potential spills.

Lighting and ventilation, while important for safety, do not fully encompass the specific risks associated with fuel systems. Working only during the day may address visibility issues but does not mitigate many of the inherent dangers involved with fuel handling. Lastly, not using personal protective equipment significantly increases the risk of injury or exposure to hazardous materials and is therefore not a safe practice. Each of these factors underscores the necessity of comprehensive safety measures when working on aircraft fuel systems.