Minneapolis to Director, Portland and Seattle re computed jump area near Heisson, Washington
Document date 26 November 1971
Also filed at: Part 65 pp. 121–123
Copies may differ in what was redacted.
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Id: Cooper-Part-10:427-429
Subject: Cooper Files: Cooper-Part-10:427-429 Document: Teletype Minneapolis to Director, Portland and Seattle re computed jump area near Heisson, Washington Id: Cooper-Part-10:427-429 Page: https://cooper.theunsolved.net/documents/Cooper-Part-10%3A427-429 What is wrong (title, date, type, which pages belong together, copies)? What does the scan show?
A person reads every report. Corrections are made by hand, to the data — titles, dates, names, which pages belong together — never to the scans, and they can take a while to appear.
FBI 164-81, Vault Part 10 pp. 427–429 (DB Cooper-1660–1662), Teletype, dated 26 Nov 1971, serial SE 164-81-39 (as read from the transcript) — cooper.theunsolved.net/documents/Cooper-Part-10%3A427-429
NR002 MP PLAIN 1159 AM URGENT 11-26-71 JMJ TO DIRECTOR PORTLAND SEATTLE FROM MINNEAPOLIS (164-NEW) 3P
UNSUB; NORTHWEST FLIGHT THREE ZERO FIVE, NOVEMBER TWO FIVE, NINETEEN SEVEN ONE, CAA DASH HIJACKING; EXTORTION.
RE MINNEAPOLIS TELETYPES TO DIRECTOR AND SACS NOVEMBER TWO FIVE, LAST, AND MINNEAPOLIS TELEPHONE CALLS TO SEATTLE AND PORTLAND, NOVEMBER TWO FIVE, LAST.
NORTHWEST AIRLINES, BASED ON REVIEW OF NOTES MAINTAINED WHILE IN COMMUNICATION WITH HIJACKED AIRCRAFT FLIGHT THREE ZERO FIVE, PLUS MATHEMATICAL COMPUTATION, ADVISES POSSIBLE AREA OF LANDING OF HIJACKER COULD BE EITHER SIDE OF A LINE BETWEEN TWO POINTS: THE FIRST POINT BEING APPROXIMATELY TWO MILES SOUTH SOUTHWEST OF THE FACE OF THE DAM ON LAKE MERWIN, WASHINGTON; WITH THE SECOND POINT BEING A POINT ONE MILE END PAGE ONE
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SEARCH AREA NORTHWEST AREA b6 b7C
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[guess: advance] 11/26/71 [illegible]
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cc sub e.
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64 -81 -39 SEARCHED .......... INDEXED SERIALIZED ......... FILED NOV 2 6 1971 FBI - SEATTLE ARRELL [guess: ARRELL]
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DB Cooper-1660
MP 164-NEW PAGE TWO
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NORTH NORTHWEST OF HEISSON, WASHINGTON. THESE COMPUTATIONS WERE ARRIVED AT BASED ON THE ALTITUDE, DIRECTION AND SPEED OF THE AIRCRAFT WHICH WAS THEN FLYING VECTOR BETWEEN SEATTLE AND PORTLAND WHEN A PRESSURE BUMP AND OSCELATION OF THE AIRCRAFT WAS NOTED BY THE CREW. TO THOSE FAMILIAR WITH THE AIRCRAFT, IT WOULD INDICATE THE REAR DOOR WAS OPENED, CAUSING THE PRESSURE TO DROP AND WOULD BE A VERY LIKELY TIME FOR UNSUB'S DEPARTURE FROM THE AIRCRAFT.
HIS NOTES INDICATE THAT AT MINNEAPOLIS TIME TWENTY ONE FORTY ONE A STEWARDESS WAS ORDERED TO THE COCKPIT BY THE HIJACKER. AT TWENTY ONE FORTY TWO THE HIJACKER ADVISED BY INTER-PHONE THAT HE WAS HAVING DIFFICULTY GETTING STEPS DOWN. AT TWENTY TWO ZERO FIVE THE COCKPIT WAS IN COMMUNICATION WITH THE HIJACKER, AND AT TWENTY TWO-TEN THE PRESSURE BUMP AND OSCELATION OCCURRED. NO FURTHER COMMUNICATION WAS HAD WITH THE UNSUB SUBSEQUENT TO THIS TIME.
END PAGE TWO
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DB Cooper-1661
MP 164-NEW PAGE THREE
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[REDACTED] WAS INFORMED BY [REDACTED] PORTLAND AIRPORT, THAT TWO CHASE PLANES WHICH WERE FOLLOWING FIVE MILES BEHIND HIJACKED AIRCRAFT SUDDENLY VEERED TO THE EAST AND THEREAFTER MADE A RIGHT TURN. THE POINT OF THEIR CHANGE OF COURSE WOULD HAVE BEEN IN CLOSE PROXIMITY IN TIME AND LOCATION TO THAT BELIEVED WHERE UNSUB DEPARTED THE AIRCRAFT.
[REDACTED] ALSO POINTED OUT THERE IS A SMALL AIR FIELD SUITABLE FOR PARACHUTE JUMPING AND SO MARKED ON A SECTIONAL MAP IN CLOSE PROXIMITY TO AREA WHERE UNSUB IS BELIEVED TO HAVE DEPARTED THE AIRCRAFT.
PENDING
END.
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CORR PG ONE LN FOUR LAST NAME SHD BE [REDACTED] JJT FBI SE CLR
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b6 b7C
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DB Cooper-1662
Serials: SE 164-81-39
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