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® sf RR O10 SF PLAINTEXT 8:45PM URGENT 11/26/71 JAK TO DIRECTOR SEATTLE FROM 8 8SAW FRANCISCO (iG4-220) IP UNSUBs; AKA, DAI} COOPER, NORTHHEST ORIENT ALRLINES, FLIGHT THREE ZERO PIVE, NOV. TUENTYFOUR, NINETEE!, SEVENTYONE CAA ~ AIR PIRACY. ZL IcoPTES WVASHIRS TOU, TELEPHONICALLY ADVISED — [ , éveniwe re Tustaut DATE THAT HE TS[ 0) Deg Pr [ ensereston, pp Bowe wae APPROXIMATELY TEN DAYS AGO A HELICOPTER YAS HEARD BY HIM prc AT APPROXIMATELY SEVEN THREE ZERO P.ii. ON SUCCESSIVE EVENINGS. ON THE FIRST OCCASION TRAVELLING AND RETURN Ns AND ON THE SECOND EVENING TRAVELLING[ | WETH to RETURN. [ ADVISED IT APPEARED TO BE EXTREMELY LOW ALTITUDE AND HE HAS NEVER HEARD A HELICOPTER IN THAT AREA WITH THE EXCEPTION OF A YEARLY CHECK OF THE POWER LINES WHICH IS ALWAYS OM ONE OCCASION IN THE SPRING AND DURING DAY LIGHT vours.| __|statep HELICOPTER WAS TRAVELLING AT EXTREMELY LOW RATE OF SPEED AS THOUGH PILOT WAS LOOKING OVER TERRAIN. [ _|eounn FURNISH "O IDENTIFYING DATA AS TO HELICOPTER. SERVALIZE Dia nmnenonnmon FULED—erconeornenem NOV 2 6 1971 END eee FBI + SEATTLE ff a HOLD DB Cooper-1791