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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 AEC/SY FRM RALT PACE PDEG PRAN RX RY DDEJ DRAN XV YV MDG SER AIDS C SYS GIS 2:39:47.355 2275 2275 47 21 1327 114 15.50 14.09 -7.01 115 15.89 -16 132 352 134 1 NPM 2:39:48.136 14.12 -5.95 1 NPM 1547 1547 47 100 1581 138 32.92 21.79 -25.42 139 33.57 -66 216 343 226 1 NPM SUBSYS = 1 21.76 -25.46 2:39:50.737 0000 05 2513 220 14.50 -9.50 -10.93 220 14.51 0 2 45 0 1 NPM -9.50 -12.93 2:39:51.112 JL1628 -0057 1550 1550 47 310 2655 233 14.09 -9.85 -9.56 225 13.67 -275 413 325 499 UAP N 1 NPM -12.39 -9.76 2:39:53.257 0162 47 954 93 20.00 20.23 2.25 83 20.47 -59 -74 218 96 1 NPM 22.09 2.39 2:39:58.259 0260 45 942 92 20.14 19.95 2.48 32 20.17 9 9 43 13 1 PAP 19.95 2.49 2:39:53.251 0162-1517 0260 11 949 93 20.13 .02 .27 5 -10 151 12 1 PT 20.00 2.34 2:39:53.263 0160-1520 0260 11 942 92 19.98 .07 .20 -11 5 205 12 1 IT 19.31 2.50 2:39:53.997 1271 1271 47 710 1237 129 22.96 21.51 -7.35 109 22.79 1 4 19 4 1 NPM 21.54 -7.35 2:39:59.375 2275 2275 47 27 1290 113 15.33 14.14 -5.60 115 15.59 -11 130 355 131 1 NPM 14.10 -6.53 2:39:59.753 2022 22 1420 124 15.36 12.62 -9.19 126 15.71 7 116 3 115 1 NPM 12.62 -9.19 2:40:00.130 1547 1547 47 100 1572 138 32.17 21.70 -21.69 139 32.92 -54 220 346 226 1 NPM 21.52 -24.21 SUBSYS = 1 TOTAL = 10 MODE C TOTAL = 4 2:40:02.754 0000 45 2513 223 14.50 -9.50 -10.93 220 14.51 0 0 45 0 1 NPM -9.50 -10.93 2:40:03.133 JL1628 -0057 1550 43 2732 240 14.10 -11.31 -9.39 233 14.17 -275 413 326 409 UAP N 1 NPM -11.31 -8.39 2:40:03.136 0057-1605 1550 13 310 2740 237 11.31 -10.19 -9.25 22 425 2 429 1 NPM -9.95 -6.35 2:40:12.118 0152 45 951 94 19.78 13.99 2.14 93 20.07 -59 -74 219 96 1 NPM 19.99 2.14 2:40:10.120 0075-1610 0162 12 957 94 20.14 20.26 1.99 -3 -95 181 96 1 NPM 20.06 1.75 2:40:10.122 0250 42 941 92 20.19 19.98 2.51 92 20.21 9 0 43 13 1 NPM 19.99 2.51 2:40:10.124 0160-1617 0250 10 949 93 20.12 .00 .20 -1 -11 197 12 1 NPM 19.99 2.29 2:40:10.125 0160-1620 0250 10 942 92 19.93 .00 .20 -11 -2 252 12 1 NPM 19.73 2.50 2:40:10.971 1271 1271 47 710 1237 109 22.95 21.64 -7.40 109 22.92 1 2 24 3 1 NPM 21.64 -7.35 2:40:11.332 2275 247 19 1273 111 15.22 14.19 -6.20 113 15.50 -1 127 359 127 1 NPM 14.12 -6.10 2:40:11.539 0000 21 1425 123 15.17 12.60 -9.78 124 15.45 7 115 3 115 1 NPM 12.60 -9.79 2:40:11.995 1547 1547 47 122 1554 137 31.54 21.50 -24.01 139 32.25 -49 220 347 225 1 NPM 21.45 -23.93 SUBSYS = 1 TOTAL = 12 MODE C TOTAL = 4 2:10:14.592 0000 04 2513 220 14.50 -9.50 -10.93 220 14.51 3 .0 45 0 1 NPM
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.