[الحلفاوي]

Vne= never exceed speed
Vno=maximum normal opreating limit speed
Vfe=maximum flap extension speed
Vlo=maximum landing gear opreating speed up or down
Vle=maximum landing gear extended speed
Vyes=best rate of climb when single engine
Vso=stall speed or the minimum steady flight speed in landing configyration
Vmca=the minimum control speed at maximum weight


thans