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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 ACID/SX ABC/SY RBC FRM RALT PACP PDES PRAN RX RY DDEG DRAN XV YV EDG SPD ADS C 1A24 12 2:39:13.733 2027-1512 0155 0165 10 13 1267 111 13.29 .00 .20 10 -139 175 139 1 RT 12.94 -5.03 -93 126 319 139 1 LT 2:39:12.741 2027-1515 0165 3165 10 13 1123 22 11.53 .00 .30 -93 126 319 139 1 LT 11.52 -1.76 1 NPM 2:39:13.744 1271 1271 47 710 1239 123 22.86 21.65 -7.32 103 22.91 13 -7 116 15 1 NPM 21.57 -7.39 1 NLM 2:39:11.120 2275 2275 47 23 1350 119 15.25 14.32 -9.40 120 16.64 -9 143 356 144 1 NLM 14.29 -8.28 1 NPM 2:39:11.355 1547 1547 47 100 1529 119 34.96 22.42 -27.67 141 35.29 -87 211 337 223 1 NPM 22.43 -27.62
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.