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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/SY ABC/SY RBC FRM BALT PACP PDEG PRAN RX RY DDEG DRAN XV YV NDG SPD ADS C PAGE SYS CLS 16.62 73.60 2:28:43.252 0000 05 437 39 62.62 38.98 19.01 39 62.96 0 0 45 0 1 NRM 39.98 49.01 2:28:43.254 JL1629 -0057 1550 1550 47 350 446 39 60.07 39.12 49.09 39 61.69 -10 -492 191 492 UAR N 1 NRM 39.04 48.17 2:28:44.382 0000 33 957 75 46.85 46.29 12.15 75 47.77 -290 -96 253 302 RO 1 PAP 45.29 12.15 2:28:44.384 0020-1505 0000 11 329 72 47.64 .00 .20 -240 194 327 304 RO 1 PT 45.53 14.03 2:28:44.387 0020-1607 0000 11 884 77 47.77 .00 .20 -100 -296 199 304 RO 1 LT 45.57 10.17 2:28:44.759 0260 0260 22 942 92 31.11 31.23 3.98 82 31.60 -107 -54 243 119 1 NRM 31.23 3.98 2:28:44.771 1200 31 921 80 52.78 51.45 8.78 80 52.33 199 -142 125 245 1 PAP 51.45 8.79 2:28:44.772 0055-1625 1200 12 78 905 79 52.67 51.14 10.20 152 42 75 157 1 DEV 51.81 9.53 2:28:44.774 0162 0162 47 1009 98 35.73 35.85 .59 89 35.79 -54 66 320 96 1 NPM 35.90 .55 SUBSYS = 1 TOTAL = 10 MODE C TOTAL = 3 2:28:54.585 1200 45 143 12 76.65 16.71 74.20 12 75.95 25 176 8 179 1 PAR 16.71 74.20 2:28:54.587 0071-1604 1200 11 75 159 13 75.19 .00 .20 159 -30 116 178 1 RT 19.25 72.93 2:28:54.599 0074-1613 1200 11 75 129 11 74.93 .00 .20 -175 -30 260 178 1 LT 14.87 73.43 2:29:55.334 0000 05 437 38 62.62 38.98 49.71 38 62.96 0 0 45 0 1 NPM 39.98 49.01 2:29:55.336 JL1629-0057 1550 42 350 459 40 59.79 38.06 46.32 39 60.26 -6 -495 192 495 UAR N 1 NRM 38.03 46.48 45.32 11.97 2:29:55.452 0020-1606 0000 10 315 71 47.35 .00 .20 -122 251 325 306 RO 1 RT 44.95 14.87 2:29:55.454 0020-1507 0000 10 398 79 47.54 .00 .20 -5 -304 181 303 RO 1 LT 46.55 9.15 2:28:55.955 0260 21 345 93 30.73 32.97 3.37 92 31.23 -107 -54 243 119 1 NRM 30.87 3.97 2:28:55.856 1200 27 105 892 78 52.70 50.87 10.69 78 51.99 105 103 45 142 1 PAR 51.26 10.21 2:28:55.958 0162 0152 47 1005 99 35.43 35.60 .75 83 35.56 -61 52 315 87 1 NRM 35.67 .75 SUBSYS = 1 TOTAL = 11 MODE C TOTAL = 2:29:05.579 1200 42 143 12 77.25 16.91 74.79 12 76.55 26 176 8 179 1 PAR 16.91 74.78 2:29:05.631 0074-1604 1200 10 75 163 14 74.74 .00 .00 91 -158 152 177 1 RT 19.53 72.40 2:29:05.634 0074-1613 1200 10 75 127 11 74.43 .00 .00 -123 -129 223 177 1 LT 14.46 73.01 2:29:07.429 7000 04 437 39 62.62 39.98 49.01 39 62.96 0 0 45 0 1 NRM 39.98 49.01 2:29:07.431 JL1629-0057 1550 47 350 468 41 57.40 37.81 41.79 42 59.92 -22 -497 192 499 JAR N 1 NRM 37.92 44.82
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.