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® @ SAC, SEATTLE (164-81) (P) 6/8/73 b7¢c TORJVAK 00: SEATTLE b6 E: R b7¢ Re Omaha letter to Minneapolis and Seattle, dated 5/22/73. All logical investigation to lecaate[ | b6 has been conducted. b7C on duty 26, 1972,[ J Boeing b6 Company [—*d)S:s daaadviisedd that if the hijacker was a mem- bIC ber of or had consulted with ammber of The Boeing test team, he would have known that the 727 could not have taken off with the air stairs down; nor would have been necessary, since the air stairs can be easily lowered in flight. In view of the above, no furt investigation will be conducted concerning b6é b7c ARNED AND DANGEROUS. 3 ~- Seattle RNN/b jb (3) [6 FLY 265 8 oe oT oe wa —° DB Cooper-1151 ee ale —_ —_ —=— eee eee