ReportSeattle Air Route Traffic Control Center transcription of air-ground communications with NW Flight 30525 November 1971page 5 of 7
reportLegibility: high

Part 110, page 200

DB Cooper-492

Document date 25 November 1971

Open in FBI Vault (Part 110, page 200 of the PDF)

FBI 164-81, Vault Part 110 p. 200 (DB Cooper-492), Report, dated 25 Nov 1971 — cooper.theunsolved.net/parts/Cooper-Part-110/pages/200

Transcript

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

Page 4

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SEA R6 Negative sir Eugene altimeter three zero zero six

NW 305 Okay switching

SEA R6 Negative sir remain on this frequency that's an altimeter ah the current altimeter is threa zero one one

0446:06 NW 305 0h okay three zero one one (P. 4c. PM, PST) * * * * * *

0454:47 SEA R6 Northwest three zero five Seattle radio check

NW 305 Three oh five loud and clear

0454:53 SEA R6 Roger sir I lost your transponder

* * * * * *

0503:36 SEA R6 Northwest three zero five contact Seattle Center now on one two five point three

0503:41 NW 305 Okay twenty five point three Northwest three oh five

* * * * * *

0503:57 NW 305 Seattle Center Northwest three zero five at ten thousand

0504:05 SEA R10 Northwest three zero five Seattle Center ident (9:04 S.M-PST)

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DB Cooper-492