Evidence Explorer

UNCLASSIFIED UNCLASSIFIED OFFICE OF THE DIRECTOR OF NATIONAL INTELLIGENCE Preliminary Assessment: Unidentified Aerial Phenomena 25 June 2021 UNCLASSIFIED 2 UNCLASSIFIED SCOPE AND ASSUMPTIONS Scope This preliminary report is provided by the Office of the Director of National Intelligence (ODNI) in response to the provision in Senate Report 116-233, accompanyi…

This document recounts the experiences of Japan Airlines pilot Kenju Terauchi during a flight over Alaska on November 17, where he observed mysterious lights and objects in the sky, leading him to believe they were extraterrestrial in origin. Despite some speculation that the lights were reflections from ice crystals, Terauchi remains convinced of their othe…

This document appears to be a technical report or data log related to unidentified aerial phenomena (UAP) observed on November 18, 1986. It includes various parameters such as time, altitude, and azimuth, but lacks detailed context or clear findings.

This document appears to be a simulation report related to a flight tracking exercise involving Japan Air 1628, dated November 18, 1986. It includes specific details about the data entered into a display system for plotting the flight's trajectory.

A request for information regarding a UFO sighting over Alaska, dated March 29, 1987, addressed to the FAA Alaskan Region.

This document appears to be a request for a copy of a report related to a UFO sighting, dated November 1986. The request is made by an individual named Edward FJ Dekker.

…he Federal Aviation Administration (FAA) regarding a request for materials and publications related to a UFO sighting involving Jamaica Airlines over Alaska in November 1986.

The document appears to be a fragment of a communication, possibly a letter or memo, dated November 1986. The text is largely illegible and lacks coherent context, making it difficult to ascertain its full meaning or relevance to UAP/UFO matters.

… the FAA Alaskan Region to the FAA Administrator, detailing telephone conversations regarding an unidentified object sighting by Japan Air Lines flight 1628 on November 17, 1986.

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.

This document is a memorandum from the Federal Aviation Administration discussing radar targets associated with JAL flight 1628 and the phenomenon of 'split images' observed during the flight.

This document is an alert report from the Director of the FAA Alaskan Region regarding an unidentified object sighting by Japan Air Lines flight 1628 on November 17, 1986. It includes records of telephone conversations with military officials and a table of contents for the related files.

This document contains beacon target reports from November 18, 1986, detailing various radar readings and subsystem totals related to unidentified aerial phenomena.

This document is a memorandum from the Federal Aviation Administration (FAA) regarding the radar images of Japan Air Lines flight 1628, which experienced intermittent radar images attributed to 'split images'. The FAA seeks clarification on this phenomenon for public communication.

This document appears to be a technical report or data log related to unidentified aerial phenomena (UAP) recorded on November 19, 1986. It includes various measurements and readings, possibly from radar or sensor systems, indicating the presence of multiple unidentified objects.

This document appears to be a technical report detailing radar data related to unidentified aerial phenomena (UAP) observed on November 19, 1986. The report includes various measurements such as range, altitude, and other parameters associated with radar targets.

This document contains beacon target reports from November 18, 1986, detailing various aircraft and their altitudes, speeds, and other parameters. The data appears to be collected from radar systems, indicating the presence of multiple aircraft in the airspace, some of which are not under FAA control.

The document contains beacon target reports from November 18, 1986, detailing various radar readings and subsystem data related to unidentified aerial phenomena.

The document is a beacon target report detailing various radar readings and parameters from an unidentified aerial phenomenon observed on November 18, 1986. It includes timestamps, range, altitude, and other technical data related to the targets detected.

This document contains radar data from a military exercise dated November 18, 1986, detailing various beacon targets and their corresponding altitudes, distances, and other metrics.