Part 71, page 347

DB Cooper-30632

Document date 7 May 1964

Open in FBI Vault (Part 71, page 347 of the PDF)

FBI 164-81, Vault Part 71 p. 347 (DB Cooper-30632), Report, dated 7 May 1964, serial FC 751-1-1 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-71/pages/347

Transcript

The scan is the source; the transcript is machine-generated from it.

COND NO. | IRIG TIME | CABIN ht ~FT | CABIN R/C ~FPM | PILOTS ht ~FT | PILOTS Vx ~KNOTS | COND NO. | IRIG TIME | CABIN ht ~FT | CABIN R/C ~FPM | PILOTS ht ~FT | PILOTS Vx ~KNOTS 1.21. 19.02 | 12.09 .55.4 | 10530 | 200 | 10410 | 126.5 | .04 CONT | 12.12 .47 | 10690 | 400 | 10580 | 126.0 | .55.6 | 10530 | 200 | 10410 | 126.5 | | .48 | 10680 | -700 | 10590 | 126.5 | .55.8 | 10530 | 200 | 10410 | 126.5 | | .49 | 10670 | -1000 | 10590 | 126.5 | .56.0 | 10530 | 200 | 10410 | 126.5 | | .50 | 10670 | -700 | 10600 | 126.5 | .56.2 | 10530 | 100 | 10410 | 127.0 | | .51 | 10680 | -500 | 10600 | 127.0 | .56.4 | 10530 | 100 | 10410 | 127.0 | | .52 | 10670 | -300 | 10600 | 127.5 | .56.6 | 10530 | 100 | 10410 | 127.0 | | .53 | 10670 | -250 | 10610 | 127.5 | .56.8 | 10530 | 100 | 10410 | 127.0 | | .54 | 10670 | -100 | 10610 | 128.0 | .57.0 | 10530 | 50 | 10410 | 127.0 | | .55 | 10670 | -50 | 10610 | 128.0 | .57.2 | 10530 | 50 | 10410 | 127.0 | | .56 | 10670 | 0 | 10620 | 128.0 | .57.4 | 10530 | 0 | 10410 | 127.0 | | .57 | 10670 | 50 | 10630 | 128.0 | .57.6 | 10530 | 0 | 10400 | 127.0 | | .58 | 10670 | 100 | 10630 | 128.0 | .57.8 | 10530 | 0 | 10400 | 127.0 | | .59 | 10670 | 200 | 10640 | 128.5 | .58.0 | 10530 | 0 | 10400 | 127.0 | 12.13 .00 | 10680 | 250 | 10650 | 128.5 | .58.2 | 10530 | 0 | 10400 | 127.0 | .05 | .05 | 10690 | 250 | 10670 | 127.5 | .58.4 | 10530 | 0 | 10400 | 127.0 | | .06 | 10690 | 250 | 10670 | 127.5 | .58.6 | 10530 | 0 | 10400 | 127.5 | | .07 | 10770 | 1300 | 10680 | 127.5 | .58.8 | 10530 | 0 | 10400 | 127.5 | | .08 | 10840 | 1700 | 10680 | 127.0 | .59.0 | 10530 | 0 | 10390 | 127.5 | | .09 | 10890 | 1800 | 10690 | 127.0 .04 | 12.12 .40 | 10650 | 400 | 10530 | 127.5 | | .10 | 10900 | 1700 | 10690 | 127.0 | .41 | 10660 | 400 | 10540 | 127.0 | | .11 | 10910 | 1500 | 10700 | 127.0 | .42 | 10670 | 400 | 10550 | 126.5 | | .12 | 10910 | 1400 | 10700 | 127.0 | .43 | 10670 | 400 | 10560 | 126.5 | | .13 | 10910 | 1000 | 10700 | 127.0 | .44 | 10670 | 400 | 10570 | 126.5 | | .14 | 10910 | 800 | 10700 | 127.0 | .45 | 10680 | 400 | 10580 | 126.5 | | .15 | 10910 | 700 | 10700 | 127.0 | .46 | 10690 | 400 | 10580 | 126.5 | | .16 | 10910 | 500 | 10700 | 127.5

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CALC LJ-MB 3-17-4[sic] CHECK MB 3-17-64 APR GE 3-17-64 APR

AFT AIRSTAIR EXTENDED IN FLIGHT DB Cooper-30632 TEST 100-1 D6-7777 THE BOEING COMPANY SEC. 1.21.19 PAGE 14

727-22 N72700

TD 1040 B-R7 6-7000

AI notes

Commentary by the AI model that transcribed this page. It may bring in context the page itself does not state. The scan is the source; the transcript is machine-generated from it.

Boeing flight test data table recording cabin altitude, cabin rate of climb, pilots altitude, and pilots airspeed (Vx in knots) at successive IRIG time intervals. Data recorded during aft airstair extended in-flight test conditions. Cabin altitude hovers around 10,530-10,910 ft; pilots altitude around 10,390-10,700 ft; airspeed approximately 126-128.5 knots. Boeing title block for test report document D6-7777, Section 1.21.19, Page 14. Describes aft airstair extended in-flight test for aircraft 727-22 (registration N72700). Calculated by LJ-MB, checked by MB, approved by GE, all dated 3-17-64. References DB Cooper-30632 TEST 100-1.

Clean photocopy of a Boeing engineering data table
Some minor artifacts at top of page (black dots obscuring column headers slightly)

Part 71, page 347

People

Dates mentioned

Transcript