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Old 12th May 2009, 20:44
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JB007

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GSPOT's gspot on...
Generally, Vref+ a wind additive of a minimum 5 knots. The rule is 1/2 the wind, all of the gust up to a maximum of 20 knots, could differ with type!

i.e. for 270/10G20 = you'd add 15 knots to a fixed Vref figure.
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