411A - what complete ar$e of a controller told you to hold at such an absurdly low speed?
Above 34000ft, the restriction is purely 'at or below 0.83TMN'.
It is not for nothing that such idiots have been known for years as the 'Flying Prevention Branch'!
SR71. Radius of turn = (TAS squared)/ (g x tan AoB)
Tables are for simpletons. If you need to be able to work out your turn radius, it's worth doing it properly.
Last edited by BEagle; 7th October 2004 at 17:18.