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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 BALT PACE PDEG PRAN RX RY DDEG DRAN XV YY EDG SRD ADS SYS DIS 2:48:22.926 0000 14 958 84 20.10 20.00 2.29 94 20.17 1 -22 175 22 1 NRM 2:48:22.929 20.00 2.09 1547 1547 37 17 934 92 23.53 23.45 2.79 83 23.72 -55 113 333 126 1 NRM 2:48:23.557 23.50 2.94 1271 1271 47 710 1237 109 22.71 21.51 -7.35 109 22.79 -6 5 310 2 1 NRM 2:48:24.434 21.53 -7.31 0152 0162 27 1457 129 19.71 15.75 -11.90 122 19.95 -102 -10 259 101 1 PAP SUBSYS = 1 15.95 -12.07 TOTAL = 5 MODE C TOTAL = 3 2:48:25.690 0166 0166 47 74 2265 199 20.72 -7.07 -19.99 199 21.16 162 74 65 179 1 NRM -7.31 -19.92 2:48:25.594 1200 1277 47 2192 191 29.46 -5.94 -29.25 191 29.97 72 121 35 125 1 NRM -6.36 -29.20 2:48:35.005 1547 1547 47 16 924 81 23.26 23.15 3.14 92 23.44 -69 107 325 129 1 NRM 23.21 3.17 2:48:35.756 1271 1271 47 712 1237 109 22.70 21.53 -7.32 109 22.97 -6 4 395 7 1 NRM 21.51 -7.31 2:48:36.527 0162 0162 37 1460 129 19.29 15.45 -11.97 127 19.69 -107 6 273 107 1 NRM 15.49 -12.00 SUBSYS = 1 TOTAL = 5 MODE C TOTAL = 3 2:48:39.770 0166 0166 47 74 2255 199 20.20 -6.93 -12.42 199 20.65 153 90 50 179 1 NRM -5.82 -19.49 2:49:39.773 1200 -5.92 -27.95 2:49:39.775 0073-1511 1200 -4.96 -27.67 2:49:47.231 1547 1547 47 15 915 90 22.97 22.85 3.42 91 23.19 -90 90 320 128 1 NRM 22.92 3.43 2:49:47.940 1271 1271 47 710 1237 109 22.22 21.64 -7.40 109 22.92 -2 1 290 2 1 NRM 21.51 -7.31 2:49:43.511 0152 0152 47 1453 128 19.99 15.04 -11.73 128 19.21 -109 22 291 112 1 NRM 15.10 -11.97 SUBSYS = 1 TOTAL = 5 MODEC TOTAL = 3 2:49:50.949 0166 0166 47 74 2245 197 19.74 -6.48 -19.17 198 20.28 145 94 57 175 1 NRM -5.37 -19.15 2:49:50.951 1200 1200 27 2119 199 27.76 -4.94 -27.69 199 29.17 170 79 65 197 1 NRM -4.99 -27.58 2:49:59.115 1547 1547 47 15 907 79 22.65 22.57 3.62 80 22.93 -90 98 314 125 1 NRM 22.59 3.75 2:49:59.999 1271 1271 47 710 1235 109 22.72 21.53 -7.29 109 22.79 -1 3 335 3 1 NRM 21.51 -7.29 2:49:00.600 0162 0162 47 1457 129 19.49 14.67 -11.57 129 19.84 -119 32 206 115 1 NRM 11.73 -11.73 SUBSYS = 1 TOTAL = 5 MODEC TOTAL = 3 2:49:02.951 0166 0166 47 74 2236 196 19.25 -6.07 -19.79 197 19.77 132 123 53 172 1 NRM -5.93 -19.79 2:49:02.954 1200 1200 37 2138 197 27.39 -4.40 -27.39 182 27.92 164 92 63 192 1 NRM -4.35 -27.40 2:49:11.373 1547 1547 47 14 902 79 22.25 22.17 3.73 92 22.54 -124 52 307 125 1 NRM 22.20 3.90 2:49:11.373 1271 1271 47 710 1236 109 22.71 21.53 -7.32 128 22.92 -1 2 329 2 1 NRM 21.51 -7.29 2:49:12.721 0162 0162 47 1471 129 19.12 14.40 -11.59 129 19.59 -129 34 287 114 1 NRM
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.