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Old 07-04-2012, 09:12 AM   #3338
Beastly Adventurer
Joined: Jul 2009
Oddometer: 3,785
The DB Cooper door?

If you were to wear portable oxygen I suppose one could jump from the 727's service ceiling altitude, 37,000-39,000 ft. How long a free fall could that be? 3-4 minutes?
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