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D B Cooper — Part 24

689 pages · May 09, 2026 · Document date: Mar 6, 1972 · Broad topic: Terrorism · Topic: D B Cooper · 689 pages OCR'd
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SE 164-81 On the 727, the rear stairs cannot be lowered from the pilot's compartment. They can be lowered only from the passenger compartment in the rear of the plane or externally if the plane is on the ground. L veareadtivise’ that once the operation of the rear Stairs has startea there is no way to stop them until they have extended to the full position. On the ground when the rear stairs are extended, the weight of the stairs actually carries them to the full open position. If the stairs are extended in flight, the presgure of the wind keeps them from opening to the full position. ral occasions extended the rear stairs while in tI > $ was done at speeds of approximately 150 knots. Opening the rear stairs in flight at speeds at 150 to 170 knots would not suck any items from the passenger cabin. There would be a slight change in pressurization but this would not remove any papers or cushions from the passenger cabin. b6 b7C b6 b7C DB Cooper-410 '
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