What is the heat source for the wings of the aircraft?

The heat source for the wings of the aircraft is high-pressure air. This method is commonly used in aircraft systems designed to prevent ice formation on the wings, ensuring safe operation in various weather conditions. High-pressure bleed air is drawn from the engines and routed through wing structures.

This process raises the temperature of the air in critical areas, effectively melting any ice that may have formed and preventing the accumulation of ice during flight. By ensuring that the wings remain free from ice, the aircraft maintains optimal aerodynamic performance, enhancing safety and efficiency.

Other methods like an electrical heating system, while used in some instances, are less common for wing anti-ice systems. The fuel heating system typically serves different functions, such as preventing fuel from freezing in extreme conditions, rather than directly heating the wings. Ground support equipment is utilized for pre-flight checks and other preparations, not as a direct heat source for the wings during flight.