What is the Vfe for 10-30° flaps on the test aircraft?

Vfe, or the maximum flap extension speed, is the maximum speed at which the flaps can be safely extended without risking structural damage to the aircraft. For the test aircraft mentioned, the specific value for Vfe at 10-30° flaps is indicated as 85 knots. This means that pilots should not exceed this speed when deploying the flaps in the specified range to ensure safety and maintain control of the aircraft.

Understanding Vfe is crucial for pilots, as extending the flaps past the Vfe could cause the aircraft to become less stable or lead to potential damage. Therefore, adhering to the prescribed Vfe is a fundamental part of flight operations, ensuring both safety and compliance with operational limits outlined in the pilot's operating handbook or aircraft flight manual.