Domanda 244, Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

Dissipate Static Charge From The Aircraft Skin After Landing.
Provide a path to ground for static charges when refuelling.
Dissipate static charge of the aircraft in flight thus avoiding radio interference as a result of static electricity.
Be Able To Fly Higher Because Of Less Electrical Friction.