Archive / Parts / Part 71 / Page 350
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Part 71, page 350 DB Cooper-30635
Document date 7 May 1964 AI Dates: machine-written — generated by an AI model from the transcripts, and it can be wrong. The scan is the source; the transcript is machine-generated from it.
Open in FBI Vault (Part 71, page 350 of the PDF) Copy citation FBI 164-81, Vault Part 71 p. 350 (DB Cooper-30635), Report, dated 7 May 1964, serial FC 751-1-1 (as read from the transcript) — cooper.theunsolved.net/parts/Cooper-Part-71/pages/350
Transcript The scan is the source; the transcript is machine-generated from it.
COND NO. | IRIG TIME | CABIN h I ~ FT | CABIN R/C ~ FPM | PILOTS h I ~ FT | PILOTS V_x ~ KNOTS
1.21 | 12.20 | | | |
19.03 | .06 | 10760 | -100 | 10700 | 256.0
| .08 | 10650 | -1900 | 10690 | 254.5
| .10 | 10650 | -550 | 10670 | 253.0
| .12 | 10670 | 0 | 10670 | 251.5
| .14 | 10680 | 100 | 10660 | 249.5
| .16 | 10680 | 100 | 10650 | 247.5
| .18 | 10680 | 100 | 10650 | 247.0
| .20 | 10680 | 50 | 10640 | 247.0
| .22 | 10680 | 0 | 10630 | 247.0
| .23 | 10680 | 0 | 10620 | 247.0
| .30 | 10680 | 0 | 10600 | 247.5
| .40 | 10680 | -100 | 10570 | 249.0
| .50 | 10680 | 150 | 10590 | 248.5
12.21 | | | | |
| .00 | 10680 | 150 | 10590 | 249.5
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CALC: LJ-MB 3-17-64 REVISED DATE
CHECK: MB 3-17-64
APR: [guess: GL] 3-17-64
APR:
AFT AIRSTAIR EXTENDED IN FLIGHT
DB Cooper-30635 TEST 100-1
THE BOEING COMPANY SEC. 1.21.19
727-22
N72700
D6-7771
PAGE 17
TD 1040 B-R7 6-7000
AI notes AI These notes: machine-written — generated by an AI model from the transcripts, and it can be wrong. The scan is the source; the transcript is machine-generated from it. 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.
Flight test data table recording cabin altitude, cabin rate of climb, pilots altitude, and pilots indicated airspeed at successive IRIG time intervals during aft airstair extension. Condition 1.21/19.03. Cabin altitude begins at 10760 ft with a sharp descent rate (-1900 FPM at .08), stabilizes around 10680 ft. Pilots altitude decreases from 10700 to 10590 ft. Airspeed decreases from 256.0 to ~247 knots then slightly recovers.
Title block and approval block for Boeing test document. The test concerns aft airstair extension in flight on a 727-22 aircraft (registration N72700). Document number D6-7771, page 17 of the report. Calculated, checked, and approved on 3-17-64.
Clear tabular data with legible column headers and values Three-hole punch marks visible on left margin Some minor spots/artifacts but do not impede readability Scan order ← p. 349 p. 351 →