103 matching evidence objects
Ranked by relevance
Matching “Uncorrelated Returns” across titles, summaries, and full OCR text.
100% match
This document is a computer printout from the FAA regarding radar data related to Japan Air Lines Flight #1628, which reported an unidentified flying object (UFO) during its flight on November 17, 1986.
95% match
This document is a letter from Paul Steucke of the FAA to Dr. Richard F. Haines regarding the JAL 1628 flight incident and related radar data. It discusses the availability of radar tapes and data, and invites Dr. Haines to visit the Anchorage Air Route Traffic Control Center.
90% match
The document discusses the phenomenon of uncorrelated radar signals, specifically detailing the differences between primary radar returns and secondary beacon returns. It includes a diagram illustrating how these signals can appear on a radar screen when they do not match up in time or location.
80% match
The document discusses the phenomenon of uncorrelated radar signals, explaining the differences between primary and secondary radar returns and how they can indicate the presence of an aircraft.
80% match
The document discusses the phenomenon of uncorrelated radar signals, explaining how primary and secondary radar returns can occur at different times, leading to discrepancies in radar tracking of aircraft.
80% match
The document discusses the phenomenon of uncorrelated radar signals, explaining the differences between primary and secondary radar returns and their implications for radar tracking of aircraft.
75% match
The document discusses the phenomenon of uncorrelated radar signals, specifically the differences between primary radar returns and secondary beacon returns when tracking aircraft.
65% match
The document discusses the phenomenon of uncorrelated radar returns from aircraft, specifically detailing the differences between primary radar signals and secondary transponder signals.
60% match
This document contains personnel statements from various Air Traffic Control Specialists at the Anchorage ARTCC regarding an incident involving Japan Airlines Flight 1628 (JL1628) on November 18, 1986. The flight reported encountering an unidentified aircraft with white and yellow strobe lights at the same altitude, leading to multiple radar checks and inqui…
60% match
This document outlines a bill introduced in the U.S. Congress aimed at requiring the public release of all documents related to unidentified anomalous phenomena (UAP). The bill emphasizes transparency and accountability in government regarding UAP investigations and findings.
40% match
…on Indicator portion of ground radar set AN/NPM-1 on the 23rd of January 1953 at Bergstrom Air Force Base, Austin, Texas. T/Set Gerald V. Kelley observed radar returns of an unusual nature under the following circumstances. The first sighting was made at approximately 1S5L0CST while utilizing the thirty mile range of the Plan Position Indicator in attempt to…
40% match
…on of the Plan Position Indicator portion of ground radar set. AN/ANPM-1 on the 23rd of January 1953 at Bergstrom Air Force Base, Austin, Texas. observed radar returns of an wnusual nature under the ollowing circumstances. he ak th a The first sighting was made at approximately 15)0CST while utilizing the | thirty mile range of the Plan Position Indicator in…
40% match
This document provides a comprehensive history of the CIA's overhead reconnaissance programs, specifically focusing on the U-2 and OXCART projects from 1954 to 1974. It details the technological advancements, bureaucratic challenges, and political context surrounding these high-altitude reconnaissance aircraft, which were pivotal during the Cold War for gath…
40% match
The document discusses a UFO sighting reported by Japan Air Lines pilot Kenju Terauchi over Alaska on November 17, which was partially corroborated by FAA radar data. The FAA released a data package including transcripts and interviews, revealing insights into the incident and the pilot's previous UFO sightings.
30% match
This document provides a chronological account of the alleged UAP sightings reported by Japan Airlines Flight 1628 on November 18, 1986, detailing interactions between the flight crew and air traffic control regarding unidentified traffic.
30% match
This document details the chronological summary of alleged aircraft sightings by Japan Airlines Flight 1628 on November 18, 1986, including interactions with air traffic control and military radar.
30% match
This document details the communications and actions taken by Japan Airlines Flight 1628 on November 18, 1986, regarding an unidentified traffic sighting. The radar data from Anchorage Center did not confirm the presence of the reported traffic, and no further information was received from civil or military sources.
30% match
…sighting reported by a Japan Air Lines pilot over the Arctic Ocean in November 1986. Despite the FAA's conclusion that the radar blips were likely 'split-radar returns' and not an actual UFO, there has been significant public interest in the reports, leading to the FAA offering a collection of documents for sale.
30% match
…henomenon on November 17, 1986. It includes transcripts of interviews with the flight crew, statements from air traffic controllers, and explanations regarding uncorrelated radar signals.
30% match
…during JAL flight 1628 on November 17, 1986. It acknowledges the interpretation provided by the Alaskan Region Air Traffic Division and includes an analysis of uncorrelated primary and beacon targets.