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This FAA Alaskan Region Public Affairs Office release, dated March 5, 1987, is a computer printout of recorded FAA radar data for Japan Air Lines Flight 1628 on November 17, 1986. It covers 38 minutes of computer time and lists 105 radar returns. Of these, 86 are usable and 19 are uncorrelated primary returns. The printout records when the pilot first asked about other traffic and when he said he could not see the UFO. It also explains that uncorrelated returns occur when the primary and beacon signals do not match in position.
“Japan Air Lines Flight 1628”3 pages
Read from the scan by GLM-OCR; expect the odd misread word.
TIME AGID/SX ABC/SY RBC FRM RALT PACP PDEG 11/19/86 PAGE 20 SYS CIS PRAN RX RY DDEG DRAN XV YV PEG SPD ADS C 2:49:59.233 0000 0000 22 947 83 20.19 19.98 2.32 93 20.19 14 0 20 14 1 NEW 2:49:59.235 19.98 2.32 1 NEW 0000 14 914 82 20.10 19.95 2.13 93 20.17 -1 7 315 7 SUPSYS = 1 19.95 2.43 TOTAL = 5 MODE C TOTAL = 1
Document, cited by the archive. The PDF is mirrored here; the original link is above. The text was read from the page images by GLM-OCR; expect the odd misread word. 179 pages are in the text index: search them above, or from the library's search.