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Old 10th Jun 2017, 18:02
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ghentpilot
 
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Originally Posted by Transsonic2000
Hi there,
I'd need some feedback regarding the following question - I believe that the answer provided is incorrect.

QDB says that the correct answer is 277.5 m but I come up with 279.7 m applying the following formula:

Domain 1/2 width = 60m + 1/2 wing span + 0.125 D
Domain 1/2 width = 60 + 32.2m + (0.125 x 1500m)
Domain 1/2 width = 279.7m

Thanks
For aircrafts with wingspan over 60m the formula is: 90m + 0.125D; so 90 + 0.125*1500 = 277.5m
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