Which speed is the stall speed in clean configuration?

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Multiple Choice

Which speed is the stall speed in clean configuration?

Stall speed in clean configuration is the minimum steady, level-flight speed at which the airplane can be flown with flaps and gear retracted. At this speed, the wing is producing just enough lift to balance the weight; below it, the wing can’t sustain level flight and a stall occurs. The symbol used for this specific case is Vs, which is why that option is the correct one. The other speeds refer to different flight phases: Vref is the landing reference speed, Vapp is the approach speed, and Vne is the never-exceed speed. So they aren’t the stall speed in clean configuration.

Stall speed in clean configuration is the minimum steady, level-flight speed at which the airplane can be flown with flaps and gear retracted. At this speed, the wing is producing just enough lift to balance the weight; below it, the wing can’t sustain level flight and a stall occurs. The symbol used for this specific case is Vs, which is why that option is the correct one.

The other speeds refer to different flight phases: Vref is the landing reference speed, Vapp is the approach speed, and Vne is the never-exceed speed. So they aren’t the stall speed in clean configuration.

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