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Old 5th September 2001 | 06:39
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Checkboard
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Joined: Aug 1998
: ATPL
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From: Ex-pat Aussie in the UK
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Plenty of stuff on the net about contrails - do a simple search, and ignore the "Chemtrail" stuff!

Contrail formation, duration and altitude
CONTRAILS - Scientific Studies

[ 05 September 2001: Message edited by: Checkboard ]
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