Vs0 stands for which stall speed condition?

Vs0 stands for which stall speed condition?

• A. Stall speed in landing configuration
• B. Vne
• C. Stall speed in clean configuration
• D. Maximum structural cruising speed

Answer: (A)

Stall speed is the minimum airspeed at which the airplane can maintain level flight for a given configuration. In the landing configuration, with flaps extended and landing gear down, the wing can produce the necessary lift at a lower speed because the high-lift devices increase the lift coefficient. That means the stall occurs at a slower speed when the gear and flaps are down. Therefore, the stall speed in landing configuration is Vs0. This value is distinct from stall speed in clean configuration (Vs1), and from speeds like Vne, which describe different limits rather than stall conditions.

Stall speed is the minimum airspeed at which the airplane can maintain level flight for a given configuration. In the landing configuration, with flaps extended and landing gear down, the wing can produce the necessary lift at a lower speed because the high-lift devices increase the lift coefficient. That means the stall occurs at a slower speed when the gear and flaps are down. Therefore, the stall speed in landing configuration is Vs0. This value is distinct from stall speed in clean configuration (Vs1), and from speeds like Vne, which describe different limits rather than stall conditions.