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ad 4 SAC, SEATTLE (164-81) 12/3/71 ASAC PAUL R. BIBLER UNSUB, aka Dan Cooper; Ni AIRLINES FLIGHT 3305, PORTLAND TO SEATTLE, 11/24/71 CAA ~ RIJACKING; EXTORTION sn[__eatloa fron Minneapolis. He just finished a conference with iI Airlines people in regard to the possibility of an individual hiding bchind one of the inspection panels inside the fusclage of the airplane, virtuously impossible and that access is possible only to a contortionist unless the stairway is all the way down ag it He has been told by NW people that this is would be in the flight position. Laer he cannot find out from NW if they have actually Inspected these areas in the plane and said the bic plane would be coming into Seattle as Flight 735 12/4/71. It will be in Seattic overnight and we can arrange with Ni] to have it inspected at that time. [more reiterated that MI people told hin this was almos 00% impossible. PRBik1lb (3) at 5:26PM, b6 b7C¢ be | bé | b7Cc DB Cooper-291