Static Electricity: The Hidden Dangers for Helicopters and Crew

A build up of static electricity is usually harmless, resulting in only small shocks. But in some cases it can be deadly. Discover the danger static electricity poses for helicopters and their crew. Physics - Electricity And Circuits - Learning Points. Static electricity is the build-up of electrical charge on objects. Static electricity is a hazard for rescue helicopters. When helicopter blades rotate they rub against dust particles in the air and become charged. A winchman uses a static line to neutralise the charge from the helicopter. A Twig Context Film. Reinforce and extend the learning required by the curriculum. Twig’s context films show abstract concepts in action in the real world.