What is the expected outcome of an effective de-icing procedure?

The expected outcome of an effective de-icing procedure is to achieve clear aircraft surfaces. Proper de-icing ensures that ice, snow, or frost is removed from critical parts of the aircraft, such as wings, control surfaces, and the tail. This is essential for maintaining the aerodynamic performance of the aircraft. When surfaces are clear of any contamination, it allows for optimal airflow, which is crucial for lift during takeoff and stability in flight.

Other outcomes, while beneficial, are not the primary goal of de-icing. Enhanced aircraft speed, longer engine life, and reduced fuel consumption can be influenced by other factors in aircraft operation and maintenance, but they are not direct results of an effective de-icing procedure. The main focus during de-icing is to ensure that the aircraft is safe and ready for flight by promoting clear and unobstructed surfaces.