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5 > q 5 OPTIONAL FORM No. 10 “aay 1962 EDITION ) SA FPMR (41 CFR) 101-116 é UNITED STATES GOVERNMENT Memorandum TO : SAC, SEATTLE (164-81) DATE: 11/26/71 FROM : SA THOMAS J. MANNING . . L ‘ _ Ay 5 SUBJECT: UNSUB; Vigh ASA iMG LGR NORTHWEST AIRLINES . FLIGHT #305, OF AIR ERAET, PORTLAND TO SEATTLE, 11/24/71 CAA ~ HIJACKING; EXTORTION 00: SEATTLE On 11/25/71, a search of pertinent area as furnished by Northwest Airlines personnel, commenced. Ground search initiated on 11/25/71, in limited way. On 11/26/71, two Army helicopters from Gray Field, one Weyerhauser Company helicopter and a Bonneville Power Administration helicopter, were utilized in covering a area of search, including the route of the hijacked plane from Lake Merwin on the north, to the vicinity of Battle Ground, on the south. Due to weather conditions, only three of six sections were able to be covered. Ground search negative except for an area in the north easterly quadrant of the search, where two individuals made comments concerning low flying aircraft at pertinent time. One individual advised the craft was so low that it shook their house and this time was fixed at approximately 8:20 PM, but no positive time could be given. This individual stated that weather conditions at that time in this area, were misting rain. A second individual in the Amboy, Washington vicinity, advised that at approximately 8:00 PM, with misting rain, conditions, a low flying jet plane, going north to south and unusually low, was sited. ALL THE LIGHTS on this i plane, including the cabin lights, were going on and off. This person was questioned concerning the navigation lights and stated emphatically, that ALL THE LIGHTS were going on and off. . No observation of objects dropping from plane | reported at this time. The Lake Merwin area has been sulgceg! intense boat search bythe Cowlitz County [Sirana with negative results, except for the siting FFF wht nIM:kLb Fy. s AAS BEEuU DonxE . FB (3) Buy U.S. Savings Bonds Regularly on the Payroll Savings Plan DB Cooper-1/41