lurkio
It is true They are described as manoeuvre speeds. Airbus 17th Performance and operations conference Dubai gives a detailed description of what they are and how to use them. Extract below:
• Flap maneuvering speeds are recommended to fly the aircraft in a given flaps configuration for:
• Comfort in aircraft maneuver:
• Green Dot, S, F are comfortable
• Particularly in turbulent conditions, or
• For turns at high bank angle
• Flap maneuvering speeds are not limitations:
It is safe to fly between VLS and VMAX (VMO, VLE, VFE) :
The required aerodynamic margin is properly ensured.