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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.
Subject: ACTION: Description of Radar Split Image Date: February 5, 1987 From: PUBLIC AFFAIRS OFFICER, AAL-5 Reply to Attn. of: Manager, Airways Facilities, AAL-400 To: The Alaskan Region FAA Air Traffic Division has informed me that the intermittent radar images of Japan Air Lines flight 1628, on November 17, 1986, which occured between Ft. Yukon and Anchorage, are the result of "split images". Do you concur with this interpretation? If you do, please provide me with an easy to understand written description of what a "split Image" is, how it occurs, approximately how often it occurs, and why it might have, or did occur on this flight segment of this flight. Your response will be used to provide the news media and the public with an explanation of what a "split image" is and how it relates to this flight. I will need this information for media response by February 18, 1987. Thank you. Paul Paul Steucke cc: AAL-1, 200, 500
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.