Part 71, page 348

DB Cooper-30633

Document date 7 May 1964

Open in FBI Vault (Part 71, page 348 of the PDF)

FBI 164-81, Vault Part 71 p. 348 (DB Cooper-30633), Report, dated 7 May 1964, serial FC 751-1-1 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-71/pages/348

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 Ve ~KNOTS | COND NO. | IRIG TIME | CABIN ht ~FT | CABIN R/C ~FPM | PILOTS ht ~FT | PILOTS Ve ~KNOTS 1.21 | 12.13 .17 | 10910 | 300 | 10700 | 127.5 | .03 CONT | 12.16 .44 | 10570 | 500 | 10490 | 242.5 | .18 | 10910 | 250 | 10700 | 127.5 | | .46 | 10580 | 450 | 10490 | 246.5 | .19 | 10910 | 100 | 10700 | 127.5 | | .48 | 10590 | 450 | 10490 | 250.5 | .20 | 10910 | 100 | 10700 | 128.0 | | .50 | 10590 | 450 | 10500 | 254.5 | .21 | 10910 | 50 | 10700 | 128.0 | | .52 | 10600 | 450 | 10510 | 258.5 | .22 | 10910 | -50 | 10700 | 128.0 | | .54 | 10630 | 550 | 10550 | 262.0 | .23 | 10910 | -100 | 10690 | 128.5 | | .56 | 10650 | 700 | 10590 | 265.0 | .24 | 10890 | -200 | 10690 | 128.0 | | .58 | 10710 | 800 | 10630 | 268.5 | .25 | 10890 | -250 | 10690 | 128.0 | 12.17 .00 | 10740 | 900 | 10670 | 272.5 | .26 | 10890 | -300 | 10690 | 128.0 | | .02 | 10790 | 900 | 10700 | 277.0 | .27 | 10880 | -300 | 10680 | 128.0 | | .04 | 10810 | 900 | 10710 | 282.0 | .28 | 10870 | -300 | 10680 | 128.0 | | .06 | 10830 | 900 | 10710 | 286.5 | .29 | 10870 | -300 | 10680 | 128.0 | | .08 | 10840 | 800 | 10700 | 291.5 | .30 | 10860 | -300 | 10680 | 127.5 | | .10 | 10840 | 500 | 10690 | 297.0 .03 | 12.16 .20 | 10440 | 100 | 10430 | 203.0 | | .12 | 10840 | 400 | 10670 | 301.5 | .22 | 10450 | 200 | 10430 | 203.5 | | .14 | 10840 | 300 | 10660 | 306.5 | .24 | 10450 | 200 | 10430 | 205.0 | | .16 | 10840 | 250 | 10650 | 311.5 | .26 | 10450 | 200 | 10440 | 207.5 | | .18 | 10850 | 100 | 10650 | 316.0 | .28 | 10450 | 200 | 10440 | 209.5 | | .20 | 10850 | 100 | 10640 | 320.0 | .30 | 10460 | 200 | 10440 | 213.5 | | .22 | 10850 | 0 | 10630 | 324.5 | .32 | 10470 | 200 | 10440 | 217.0 | | .24 | 10850 | -50 | 10620 | 329.0 | .34 | 10510 | 300 | 10460 | 220.5 | | .26 | 10840 | -50 | 10610 | 332.0 | .36 | 10520 | 500 | 10470 | 225.0 | | .28 | 10840 | -100 | 10600 | 336.0 | .38 | 10530 | 500 | 10470 | 229.0 | | .30 | 10840 | -100 | 10600 | 339.5 | .40 | 10530 | 450 | 10470 | 234.0 | | .32 | 10840 | -100 | 10600 | 342.0 | .42 | 10550 | 450 | 10490 | 238.0 | | .34 | 10840 | -100 | 10600 | 346.0

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CALC LJ-MB 3-17-4 CHECK MNS 3-17-64 APR ge 3-17-64 APR

AFT AIRSTAIR EXTENDED IN FLIGHT DB Cooper-30633 TEST 100-1

THE BOEING COMPANY SEC. 1.21.19

727-22 N72700 D6-7771 PAGE 15

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.

Tabular flight test data recording cabin altitude, cabin rate of climb, pilots altitude, and pilots equivalent airspeed at sequential IRIG time intervals for condition numbers 1.21 and .03. Data shows cabin pressure and airspeed changes during aft airstair extension in flight. Document footer block with calculation/check/approval signatures dated 3-17-64, test identification as DB Cooper-30633 Test 100-1 for aft airstair extended in flight on a Boeing 727-22 (N72700), Boeing document number D6-7771, page 15.

Clean typed tabular data
Three black dots along left margin appear to be hole punches

Part 71, page 348

Dates mentioned

Transcript