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Old 11th Oct 2008, 11:58
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BOAC
Per Ardua ad Astraeus
 
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As Dai has posted, MINTRA is the key, and of relevance to aircraft in combat zones.

There is a picture SOMEWHERE of an engine run somewhere well 'up north' of a 4 piston ground engine run with 4 trails. I.E Mintra level = ground elevation.
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