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Forum: Spectators Balcony (Spotters Corner)

13th Jan 2017, 13:20

Replies: 20

Heavy Prop Over Scotland

Views: 4,569

Posted By Dave Clarke Fife

Calculating contrail levels was done in the good...

Calculating contrail levels was done in the good old days by The Met Office. They used to include a flight level called MINTRA or minimum trail altitude. This was primarily for the use of military...

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