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a rr Se . “NR. 10 SF PLAINTEXT S:45PM URGENT 11/26/71° DAK TO DIRECTOR SEATTLE‘ OO FROM SAN FRANCISCO (164-22!) ‘IP \ _UNSUBS -AKA, DAN cooPER, NORTHVEST ORIENT ATRLINES, FLIGHT THREE ZERO- - FIVE, NOV. TWENTYFOUR, NINETEEN, SEVENTYONE “CAA = AIR PIRACY. : [ WASHINGTON, TELEPHONICALLY ADVISED aoe De | Joven ee APPROXIMATELY TEN DAYS AGO A HELICOPTER: WAS HEARD BY Ht pte AT APPROXIMATELY. SEVEN THREE. ZERO. Pale ON SUCCESSIVE, EVENINGS. : ON THE -FIRST OccaSTON ‘TraveLtine | ——S—~ida RETURNT No -aND.ON THE SECOND EVENTAG TRaveLLINe[=«dwE'TH / gy NO RETURN. [Jaovrsen IT APPEARED TO BE EXTREMELY LOW - ALTITUDE AND HE HAS NEVER HEARD a HELICOPTER IN THAT _ oo _ AREA WITH THE ~ EXCEPTION. OF. A YEARLY CHECK OF THE POWER LINES: WHICH 1s ALWAYS ON ONE OCCASION IN THE SPRING 4 pe DURING DAY LIGHT HOURS. [__|stateo HELICOPTER WAS TRAVELLING AT EXTREMELY LOW RATE OF. SPEED’ aS THOUGH PILOT WAS LOOKING OVER TERRAIN. COULD FURNISH Wo IDENTIFYING DATA. “BB -Cooper-t790