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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.
PRACKING-DATA TIME ACID/SX ABC/SY RBC PRM RALT PACP PDEG PRAN RX RY DDEJ DRAN XV YV EDG SPD ADS C PAGE O 2:45:13.644 1550 16 1929 169 32.22 5.46 -30.10 169 30.65 114 -472 166 485 1 NRM 5.45=30.10 42 1925 169 33.74 6.13 -31.50 169 32.13 31 -491 175 493 UAR N 1 PAR 6.18=31.50 12 1916 169 33.92 6.89 -31.52 82 -500 170 508 1 DEV 6.81=33.23 1916 169 33.92 6.89 -31.52 82 -500 170 508 1 DEV 2:45:37.901 JL1629-01011550 1550 27 310 1914 163 35.66 7.03 -33.25 169 33.93 99 -500 169 510 UAR N 1 NRM 6.95=33.23 25 1915 168 37.35 7.25 -34.92 169 35.67 89 -500 169 510 UAR N 1 PAR 2:45:49.664 JL1629-01011550 25 1915 168 37.35 7.25 -34.92 169 35.67 89 -500 169 510 UAR N 1 PAR 7.25=31.02 -61 -522 196 527 1 DPV 2:45:49.555 0101-15051550 12 210 1933 169 37.30 6.25 -35.26 -61 -522 196 527 1 DPV 6.54=36.71
Document, cited by the archive. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 179 pages are in the text index: search them above, or from the library's search.