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Which factor should be taken into account when determining VA?
  • A
    The ultimate load factor.
  • B
    The safety factor.
  • C
    The calculation factor.
  • D
    The limit load factor.

VA = Maximum Design Manoeuvring Speed

VA is the maximum speed where an aircraft stalls at a sudden full elevator deflection (nose-up) but does not exceed the design limit load factor.

As any other speeds, VA depends on airplane mass. According to EASA regulations, designed VA speed is based on maximum mass of the airplane (MTOM). You can easily calculate VA for any other masses with the help of the following equation: VA = VA (MTOM) √(WACTUAL / WMTOM)

VA is linearly proportional with the root of weight.

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