Tag: Dan Cooper

Db Cooper Plane

DB Cooper – The 8:13 Problem

At least 95 percent of all investigations into the DB Cooper hijacking have made the same assumption. They all believe that he jumped out of the Boeing 727 at 8:13 pm which would have meant he was over a forest wilderness area north of Portland and west of Mount St. Helens. This assumption is based entirely on one factor – the pilot felt the tail of the plane lift suddenly a short while after Cooper lowered the rear stairs. That’s it!

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