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Radar computer printout, continuous data recording

FAA via National Archives / The Black Vault · 179 pages · text by OCR

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.

TIME	AGID/SY	ABC/SY	RBC	ERM	BALT	PAGP	PDEG	PRAN	RX	RY	DDEG	DRAN	LV	YV	EDG	SPD	ADS.C	SYSCIS
2:51:02.304 0000	24 1925	173	144.23	15.57	-143.32	123	144.25	53	2	93	53 RO 1	NRM
2:51:02.305	15.57	-143.37 1	NRM
2:51:02.305	JL1629	-0101	1550	1550	47	349	1923	169	90.45	14.90	-77.43	169	79.97	117	-191	165	424	UAR N	1	NRM
2:51:02.372 0000	34 2057	190	144.42	-2.20	-144.35	192	144.09	95	-43	114	126 RO 1	NRM
2:51:02.676	-2.40	-144.26 RO 1	PAP
	0000	17 2045	179	149.19	-.32	-149.25	192	147.51	297	-36	97	320 RO 1	PAP
	-.32	-149.06
SUBSYS = 1	TOTAL = 5	MODE G	TOTAL = 3
2:51:13.993	TOTEM71-2144	4371	4371	47	211	1923	160	121.84	40.94	-113.52	162	121.09	94	-319	165	329	UAR N	1	NRM
	49.90	-113.59 1	NRM
2:51:13.994	UA69	-0077	2332	2332	47	290	1993	165	91.29	20.95	-90.23	155	92.57	-239	395	328	456	DEP N	1	NRM
	21.27	-90.02 1	NRM
2:51:14.339	0000	14 2042	179	149.32	.64	-149.19	179	147.72	297	-36	97	300 RO 1	PAP
	.64	-149.19 1	NRM
2:51:14.339	JL1629	-0101	1550	1550	47	309	1924	169	92.13	15.09	-79.06	169	90.60	99	-496	169	495	UAP N	1	NRM
	15.21	-79.01 1	NRM
2:51:14.711	0000	33 2255	190	144.57	-2.07	-144.47	192	141.11	96	-43	114	126 RO 1	PAP
	-2.07	-144.40 1	NRM
2:51:14.713	0035-1604	0000	12 2358	190	144.14	-2.64	-143.99 RO 1	DEV
	-2.31	-144.12 1	NRM
SUBSYS = 1	TOTAL = 5	MODE G	TOTAL = 3 1	NRM
2:51:25.055	TOTEM71-0144	4371	4371	47	211	1924	160	122.93	41.34	-114.23	150	122.22	.73	-322	167	332	UAR N	1	NRM
	41.10	-114.69 1	NRM
2:51:25.055	UA59	-0277	2332	2332	47	290	1999	155	79.89	20.12	-79.32	165	81.15	-252	322	326	455	DEP N	1	NRM
	20.20	-79.76 1	NRM
2:51:25.420	JL1629	-0101	1550	1550	47	309	1928	169	83.79	14.78	-90.76	169	92.27	38	-132	175	500	UAR N	1	NRM
	15.15	-90.71 1	NRM
2:51:25.950	0000	27 2254	197	144.71	-1.75	-144.55	192	144.23	295	-43	114	125 RO 1	PAP
	-1.76	-144.56 1	NRM
SUBSYS = 1	TOTAL = 4	MODE G	TOTAL = 3 1	NRM
2:51:37.991	TOTEM71-0144	4371	4371	47	211	1924	160	124.24	41.42	-115.79	160	123.33	79	-322	156	330	UAR N	1	NRM
	11.39	-115.76 1	NRM
2:51:37.992	UA59	-0077	2332	2332	47	290	1991	166	79.41	19.64	-77.42	155	79.64	-232	399	329	454	DEP N	1	NRM
	19.48	-77.43 1	NRM
2:51:39.250	JL1629	-0101	1550	1550	47	309	1930	159	95.42	15.19	-92.34	169	83.89	31	-407	176	499	UAR N	1	NRM
	15.23	-92.37 1	NRM
2:51:39.577	0000	21 2253	197	144.95	-1.43	-144.70	192	141.33	96	-43	114	103 RO 1	PAP
	-1.43	-144.79 1	NRM
2:51:39.679	0035-1504	0000	12 2257	190	144.38	-3.07	-143.96 1	RO 1
	-2.20	-144.35 1	RO 1
SUBSYS = 1	TOTAL = 5	MODE G	TOTAL = 3 1	NRM
2:51:49.959	TOTEM71-0144	4371	4371	47	211	1927	160	125.11	41.23	-116.92	162	124.33	-41	-330	122	334	UAR E	1	NRM
	41.43	-116.89 1	NRM
2:51:49.371	UA59	-0277	2332	2332	47	294	1995	155	75.93	19.71	-75.21	156	78.22	-234	395	329	452	DEP N	1	NRM
	19.70	-76.17 1	NRM
2:51:50.339	JL1629	-0101	1550	1550	47	309	1931	169	82.06	15.35	-93.26	169	85.53	32	-495	175	497	UAR N	1	NRM
	15.35	-94.01 1	NRM
SUBSYS = 1	TOTAL = 3	MODE G	TOTAL = 3 1	NRM
2:52:91.993	TOTEM71-0144	4371	4371	47	211	1925	160	125.28	42.32	-117.73	152	125.47	124	-317	161	335	UAR E	1	NRM
	41.96	-112.93 1	NRM
2:52:91.991	UA59	-0277	2332	2332	47	290	1900	155	75.57	17.78	-74.90	155	76.90	-243	391	327	455	DEP N	1	NRM

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Document, cited by the archive. The PDF is mirrored here; the original link is under it. The text was read from the page images by an OCR model; expect the odd misread word. 179 pages are in the text index: search them above, or from the library's search.