PPRuNe Forums - View Single Post - How much comfort can you take from a PPL?
Old 3rd December 2007 | 08:49
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AlphaMale
 
Joined: Jul 2006
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From: South Wales
Alex from BGS said it was at least 30% in this post:

http://www.pprune.org/forums/showthread.php?t=302578
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