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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 FRN RALT PACP PDEG PEAN BY BY DDEG DRAN XV YV EDC SPD ABS. G SYS. CIC 2:46:47.748 1271 1271 47 710 1237 109 22.83 21.64 -7.35 109 22.91 6 1 76 6 1 NBM 2:45:43.121 21.59 -7.35 1374 120 10.93 17.25 -9.31 119 19.95 -29 -129 105 113 1 NBM 0152 0162 47 SUBSYS = 1 17.21 -9.92 2:46:50.720 TOTAL = 5 MODE C TOTAL = 3 2:46:51.295 -7.92 1200 1200 37 2201 193 31.61 -7.75 -31.23 194 31.09 127 79 57 151 1 NBM 2:46:51.295 -7.92 -31.00 2:46:51.295 0166 0165 47 74 2353 226 24.25 -11.42 -21.93 227 21.32 127 102 51 161 1 NBM 2:46:59.191 -11.37 -21.96 2:46:59.191 1547 1547 47 21 1724 90 23.90 23.73 -.50 91 23.71 33 177 10 189 1 NBM 2:46:59.563 1271 1271 47 717 1237 129 22.92 21.51 -7.35 109 22.79 3 2 55 4 1 NBM 2:46:59.943 21.59 -7.34 2:46:59.943 0162 0162 47 1395 121 20.09 17.20 -10.17 120 20.02 -23 -110 192 112 1 NBM 17.17 -10.13 SUBSYS = 1 TOTAL = 5 MODE C TOTAL = 3 2:47:02.578 1200 1200 47 2194 192 31.25 -7.43 -30.71 193 31.51 125 21 56 150 1 NBM 2:47:02.952 -7.40 -30.71 2:47:02.952 0156 0165 47 74 2315 205 23.73 -10.99 -21.55 205 24.09 130 90 52 155 1 NBM 2:47:10.918 -10.92 -21.64 2:47:11.332 19.98 2.29 2:47:11.555 1547 1547 47 20 1308 93 23.97 23.97 .20 90 23.79 38 175 12 192 1 NBM 2:47:11.954 1221 1271 47 710 1237 129 22.85 21.64 -2.35 109 22.91 5 0 90 5 1 NBM 2:47:11.954 0152 0152 47 17.79 -10.56 SUBSYS = 1 TOTAL = 6 MODE C TOTAL = 3 2:47:14.592 1200 1200 47 2192 192 30.77 -7.43 -30.34 193 31.13 103 99 45 143 1 NBM 2:47:14.957 -2.14 -30.34 2:47:14.957 0156 0166 47 74 2335 205 23.35 -10.35 -21.50 205 23.92 147 95 58 155 1 NBM 2:47:22.940 -10.42 -21.40 2:47:22.942 1547 1547 47 20 993 97 24.14 23.98 .50 99 27.94 41 174 13 179 1 NBM 2:47:22.942 19.98 2.32 2:47:23.595 1271 1271 47 710 1238 109 22.99 21.64 -7.40 109 22.92 5 -3 120 6 1 NBM 2:47:24.077 21.54 -7.32 2:47:24.077 0152 0152 47 1499 123 20.35 16.95 -11.73 123 20.33 -25 -113 192 115 1 NBM 2:47:25.729 17.00 -10.95 SUBSYS = 1 TOTAL = 6 MODE C TOTAL = 3 2:47:25.729 -1207 1200 47 2191 192 30.34 -7.12 -30.33 193 30.72 96 127 38 139 1 NBM 2:47:27.072 -5.90 -29.96 2:47:27.072 0156 0166 47 24 2325 204 22.92 -9.89 -21.17 205 23.35 144 30 60 155 1 NBM 2:47:31.959 -9.92 -21.14 2:47:31.959 1547 1547 47 20 977 95 24.21 23.95 1.09 97 21.00 30 175 9.129 2:47:34.960 24.04 1.14 2:47:35.220 19.98 2.35 2:47:35.220 1271 1271 47 710 1239 109 22.95 21.51 -2.35 109 22.79 0 -4 121 4 2:47:35.505 21.52 -7.39
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.