What hazard do jet intakes pose to ground personnel?

• A. They can cause electrical shocks
• B. They can create a suction effect
• C. They can emit harmful fumes
• D. They can generate excessive heat

Answer: (B)

Jet intakes pose a significant hazard to ground personnel primarily due to their ability to create a suction effect. When an aircraft’s engines are running, the jet intakes draw in large volumes of air at high speeds. This suction can be powerful enough to pull in loose objects, equipment, or even personnel who are too close to the intake while it's operational. The risk of being drawn into the intake is a critical safety concern, particularly in busy environments like flight decks or maintenance areas where movement around aircraft is frequent.

Understanding this hazard is vital for ground crew to maintain a safe distance from operating aircraft and ensure that all personnel are educated about the risks associated with jet intakes. In contrast, while electrical shocks, harmful fumes, and excessive heat can be concerns around aircraft operations, they are not directly related to the functionality of the jet intakes themselves, which is why the suction effect is recognized as the primary hazard.