PPRuNe Forums - View Single Post - Vapour Discharge from 747 at cruise altitude
Old 3rd Jan 2016, 08:36
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Georgeablelovehowindia
Death Cruiser Flight Crew
 
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I am reliably informed that the red streaks on Concorde's undersides were caused by having to pour virtually full bottles of Château Brane Cantenac, etc., down the drain at the end of each flight.

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