PPRuNe Forums - View Single Post - 3-number code for labelling helicopters??
Old 16th June 2011 | 09:41
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Bravo73
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Joined: Jul 2002
: ATPL(H)
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re 6 or 7: it's actually a bit simpler than that. Just add 5 to the first digit for a military version. So EC135 becomes the EC635, the EC225 becomes the EC725 etc etc.

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