SA to SAC Seattle re Boeing file review of 727 air stairs test personnel, with suspect elimination list
Document date 3 August 1972
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Id: Cooper-Part-27:115-120
Subject: Cooper Files: Cooper-Part-27:115-120 Document: Memo SA to SAC Seattle re Boeing file review of 727 air stairs test personnel, with suspect elimination list Id: Cooper-Part-27:115-120 Page: https://cooper.theunsolved.net/documents/Cooper-Part-27%3A115-120 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 27 pp. 115–120 (DB Cooper-9091–9096), Memo, dated 3 Aug 1972, serial SE 164-81-3740 (as read from the transcript) — cooper.theunsolved.net/documents/Cooper-Part-27%3A115-120
OPTIONAL FORM NO. 10 MAY 1962 EDITION GSA FPMR (41 CFR) 101-11.8 UNITED STATES GOVERNMENT Memorandum
TO : SAC, SEATTLE (164-81) DATE: 8/3/72 FROM : SA [REDACTED] SUBJECT: NORJAK
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RE: THE BOEING FILE REVIEW
Re Seattle airtel to Bureau 6/1/72.
Referenced communication advised The Boeing Company had furnished the names of their employees who were involved in a test of the 727 air stairs, conducted in 1963-1964. The personnel files for those individuals were carefully reviewed by SA [REDACTED] in an attempt to eliminate all personnel involved in testing, as possible suspects. This review was completed on 7/25/72.
The following is a list of Boeing personnel whose files were reviewed as well as pertinent descriptive data, concerning them, that would eliminate them as possible suspects or indicate further investigation is necessary.
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Name Descriptive Information
1. [REDACTED] [REDACTED] hair sandy; complexion not swarthy, eliminate
2. [REDACTED] [REDACTED] complexion not swarthy; has thick lips, facial features not similar to artists conception (PFNSTAC) eliminate 164-81-3740
3. [REDACTED] Not a Boeing employee. Employed by FAA. No descriptive info concerning [REDACTED] available at Boeing. Lead being set forth to contact FAA re [REDACTED] to eliminate him as possible suspect.
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SEARCHED _____ INDEXED _____ SERIALIZED _____ FILED _____ AUG 1 1972 FBI—SEATTLE
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RNN:klb (4)
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Buy U.S. Savings Bonds Regularly on the Payroll Savings Plan DB Cooper-9091
SE 164-81
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Name Descriptive Information
4. CHARLES M. CLARK Deceased - 1/6/69.
5. [REDACTED] [REDACTED] 6'3", square chin. FFNSTAC. Eliminate
6. [REDACTED] [REDACTED] 6'3", complexion not swarthy. FFNSTAC. Eliminate
7. [REDACTED] [REDACTED] 6'. 170 lbs. Hair light brown. Complexion swarthy. General descriptive information matches. Leads being set out to eliminate as possible suspect.
8. WILLIAM LEE GRAY DOB 1/9/18. Hair blond. 5'11". 165 lbs. Eyes blue. No picture of GRAY in file. Eliminated because of age and hair color.
9. [REDACTED] [REDACTED] 6', 160 lbs., complexion swarthy. General physical appearance similar to artists conception and leads being set out to eliminate as possible suspect.
10. [REDACTED] [REDACTED] Ears stand out from head. Complexion not swarthy. FFNSTAC. Eliminate.
11. EDWARD FERDINAND HARTZ DOB 8/26/14. Age and facial features preclude being considered as suspect.
12. [REDACTED] [REDACTED] 6', 140 lbs., FFNSTAC. Eliminate.
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SE 164-81
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Name Descriptive Information
13. [REDACTED] [REDACTED] 5'8", FFNSTAC. Eliminate.
14. [REDACTED] [REDACTED] Boeing personnel file lost and not available for this review, however b6 [REDACTED] age at time b7C of NORJAK would have been [REDACTED] and he is being eliminated because of this. Eliminate.
15. [REDACTED] [REDACTED] 5'8", complexion not swarthy. FFNSTAC. Eliminate.
16. [REDACTED] [REDACTED] 5'10", 160 lbs., b6 complexion not swarthy. b7C FFNSTAC. Eliminate.
17. RICHARD LLEWELLYN (DIX) DOB 5/26/18, complexion LEOSCH, JR. not swarthy. FFNSTAC. Eliminate.
18. [REDACTED] [REDACTED] 5'10", 190 lbs., complexion not swarthy. FFNSTAC. Eliminate.
19. ERIK STANLEY LUND DOB 12/5/17. Complexion swarthy, however LUND's age at time of NORJAK precludes him from being a possible suspect. FFNSTAC. Eliminate.
20. [REDACTED] [REDACTED] 6'1", 180 lbs., FFNSTAC. Eliminate.
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DB Cooper-9093
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[partially illegible header marks]
SE 164-81
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Name Descriptive Information
21. CHARLES EDWARD MC OMBER DOB 4/6/18, FFNSTAC Eliminate.
22. [REDACTED] [REDACTED] FFNSTAC b6 Eliminate b7C
23. [REDACTED] No Boeing file available. Leads being set out to contact [REDACTED] (see below) to determine background information on [REDACTED]
24. [REDACTED] [REDACTED] 6'3", 185 lbs., FFNSTAC. Eliminate
25. [REDACTED] [REDACTED] 6'2", 190 lbs., b6 hair light brown. FFNSTAC b7C Eliminate.
26. [REDACTED] [REDACTED] FFNSTAC Eliminate
27. [REDACTED] [REDACTED] 5'10", 180 lbs., FFNSTAC Eliminate
28. [REDACTED] [REDACTED] 5'10", 180 lbs., FFNSTAC Eliminate
29. [REDACTED] [REDACTED] 5'9", 185 lbs., b6 FFNSTAC b7C Eliminate
30. [REDACTED] [REDACTED] 6'2", 183 lbs., FFNSTAC. Eliminate
31. [REDACTED] [REDACTED] 5'11", 185., hair light brown, mouth too big, FFNSTAC Eliminate
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DB Cooper-9094
SE 164-81
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It is noted that UNSUB in this matter requested that the aft door must be opened and the stairs down during take off. When it was explained to the hijacker that the plane could not take off with the stairs down, he reportedly said in a low voice, "Yes they can, but the cockpit can put it down after they get airborne."
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On 7/26/72, [REDACTED] Boeing Company Executive, advised that if the hijacker was a member of or had consulted with a member of The Boeing test team, he would have known that the 727 could not have taken off with the air stairs down; nor would it have been necessary, since the air stairs can easily be lowered in flight.
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On 7/31/72, [REDACTED] advised that all personnel involved in the Boeing tests have been interviewed by Boeing Security Personnel and at the time of interview, copies of the artist's conception of UNSUB were provided to those personnel interviewed. [REDACTED] specifically requested that any further interviews with Boeing personnel be arranged through him and that consideration be given to prior contact with Boeing employees because of valuable work time involved.
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On 7/31/72, [REDACTED] made available, a copy of the Boeing tests summary report dealing with the flight configuration of the 727 during testing. The following is a summary of the configuration used during the Boeing air stairs test:
Speed - 125 knots Flaps - 25 degrees down Altitude - 10,000 feet
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The following information was obtained from The Boeing report:
"...the air stair was quite stable when it was down and no airplane control problems were experienced. No excessive cabin pressure transients were noted with the aft entry door open and the stair extended. The environment near the aft entry door allowed it to be safely opened and the stair retracted at speeds up to 300 knots."
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In Seattle report of SA CHARLES E. FARRELL dated 2/16/72, it is noted that UNSUB requested the following configuration upon taking off from Seattle-Tacoma (Sea-Tac) International Airport:
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DB Cooper-9095
SE 164-81
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Gear down Flaps 15 degrees Altitude - 10,000 feet
It is apparent therefore, that the configuration requested by UNSUB is not the same as used in Boeing air stair testing.
[REDACTED] further stated that the Boeing test results occupy many volumes and because of the many copies made and length of time since test conducted (8 years), it is not possible to determine the names of all persons who might have had access to the test results.
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b6 b7C
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DB Cooper-9096
Serials: SE 164-81, SE 164-81-3740
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