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Old 22nd April 2017 | 07:33
  #1054 (permalink)  
RedBullGaveMeWings
 
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Err, doesn't ISA+15 mean that it is warmer by 15 degrees? I keep getting OAT -36° C which are 237° K.

LSS=38.95xsqrt237=approximately 600 kts
600x0.8=approximately 480 approximately.

Same with CR-3. It takes compressibility into account, doesn't it?
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