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~ "DEPARTMENT OF ir MBorrarion FEDERAL AVIATION ADMINISTRATION SEATTLE AIR ROUTE TRAFFIC CONTROL CENTER 3101 Auburn Way South Auburn, Washington 98002 . 30 December 1971 SL“ Me. Charles Farrell od Special Agent Federal Bureau of Investigation Ao “115 Second Avenue Seattle, Washington 98104 Dear Mr. Farrell: As you requested, we have enclosed a transcription of our recorded air-ground communications with Northwest Airlines Flight 305 of 24 November 1971. b6 Per FAA b7¢ Chief, Seattle Center ‘ Enclosure ww} od DB Cooper-6237