FAA Aircraft Dispatcher Practice Exam

Which system is responsible for removing ice accumulation during flight?

1. De-ice systems

2. Anti-ice systems

3. Aerodynamic systems

4. Ground support systems

The correct answer is: De-ice systems

The system responsible for removing ice accumulation during flight is de-ice systems. These systems actively eliminate ice that has already formed on various aircraft surfaces such as wings, tail, and propellers. De-icing mechanisms typically involve heating elements, pneumatic boots, or electrical systems that work to break and shed accumulated ice, ensuring that the aircraft maintains optimal aerodynamic performance and safety. In contrast, anti-ice systems are designed to prevent ice from forming in the first place rather than removing it once it has already formed. They often use heat or chemicals to keep critical areas, such as leading edges of wings and engine inlets, free of ice accumulation during flight. Aerodynamic systems refer to the overall design and functionality of the aircraft's shape and surface, which influences airflow but does not specifically address ice removal or prevention. Ground support systems include various equipment and protocols used on the ground for pre-flight preparations, including refueling and maintenance, but do not play a direct role during the flight phase concerning ice removal. Understanding the distinction between these systems is crucial for ensuring safe flight operations in icy conditions.