What is the stall speed (Vs1) with flaps in approach configuration, power idle, at maximum weight?

The stall speed (Vs1) with flaps in approach configuration, power idle, at maximum weight for the King Air 350 is 89 KIAS. This figure is critical for pilots because it represents the minimum speed at which the aircraft can maintain controlled flight before it stalls while configured for landing.

At maximum weight, the stall speed increases due to the higher load on the wings. The approach configuration indicates that the aircraft is prepared for landing, which typically involves lowering the flaps to enhance lift at lower speeds. The specific value of 89 KIAS reflects the aerodynamic characteristics of the aircraft, including wing design and flap configuration. Understanding this value helps pilots manage their airspeed and avoid unintentional stalls during critical phases of flight, especially during approach and landing when an increased safety margin is necessary.

This information is vital for effective aircraft operation and enhances the pilot's situational awareness, ensuring safer maneuvering in the traffic pattern and landing phases.