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4s @ | ® 6:35 PM URGENT 11-30-71 AdYW NR #13 PD PLAIN Re Sent ett TO: DIRECTOR (164-2111) SEATTLE (164-81) FROM: PORTLAND (164-41) 2p UNSUB, NORTHWEST AIRLINES FLIGHT THREE ZERO FIVE, NOVEMBER \ TWENTYFOUR SEVENTYONE, CAA - HIJACKING; EXTORTION. OO: SEATTLE. FOLLOWING IS STATUS OF AIR SEARCH IN OREGON WHICH HAS BEEN COMPLETED WITH NEGATIVE RESULTS. A SIX MILE CORRIDOR ALONG FLIGHT TRACK.AS PLOTTED BY RADAR GENERALLY ALONG VICTOR TWENTYTHREE AIRWAY FOLLOWED BY WAL FLIGHT THREE ZERO FIVE BETWEEN PORTLAND AND SALEM WAS ACCOMPLISHED BY USE OF TWO HELICOPTERS COMTAINING THREE ARMY PERSOMNEL AND TWO AGENTS EACH AND TWO FIXED WING AIRCRAFT MANNED BY TWO AGENTS EACH. THE SALEM@TO EUGENE LEG WAS COVERED BY SAME TWO HELICOPTERS AND ONE FIXED WING PLANE MANNED BY TWO AGENTS. IN ADDITION, PART OF THE ROUTE CSALEM TO EUGENE AREA) WAS SEARCHED BY BONNEVILLE POWER ADMINISTRATION HELICOPTER PERSONNEL WHO WERE IN VICINITY ON POWER LINE PATROL END OF PAGE ONE DB Cooper-2389