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Old 1st Jan 2009, 10:41
  #8 (permalink)  
BRS_flyer
 
Join Date: Mar 2007
Location: Europe
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ISA at FL410 is -56.5
OAT at FL410 = 206.8k (assuming LR of 1.98 per 1000') +10 = 216.8k
Rookie mistake!!
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