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Old 30th December 2008 | 23:04
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Nearly There
 
Joined: Nov 2007
Posts: 414
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From: Hoylake
ISA at FL410 is -56.5
Question says ISA + 10 = -46.5......so 273k - 46.5 = 226.5k

38.94 x SqrRt226.5 = 586.....485/586 = 0.827 MNo
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