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711 matching evidence objects

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Matching “Radar Signals” across titles, summaries, and full OCR text.

100% match

733667-001-024

Other Unclassified Released — Credibility 90% Original ↗
…n into the reported UFO sighting by Japan Airlines flight 1628 on November 17, 1986. The investigation included interviews with the flight crew and analysis of radar data, which suggested that the sighting was likely a split radar return rather than an unidentified aircraft.
97% match

733667-001-018

Military Report Unclassified Released — Credibility 90% Original ↗
…) 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 inquiries with military traffic control, but no conclusive identification of the reported traffic was made.
95% match

733667-001-011-0011

Other Unclassified Released — Credibility 90% Original ↗
The document discusses the radar data related to Japan Airlines flight 1628, which experienced uncorrelated radar signals during its flight on November 17, 1986. FAA experts analyzed the radar data and explained the phenomenon of uncorrelated targets, emphasizing that this occurrence coincided with a pilot's sighting of an unidentified object.
95% match

733667-001-020-0002

Other Unclassified Released — Credibility 90% Original ↗
This document discusses the analysis of radar data related to Japan Airlines flight 1628, which encountered uncorrelated radar signals during its flight on November 17, 1986. FAA experts explain the phenomenon of uncorrelated primary and beacon targets and its implications for radar tracking.
95% match

733667-001-023-0001

Radar Report Unclassified Released — Credibility 90% Original ↗
The document discusses the analysis of radar data related to Japan Airlines flight 1628, which experienced uncorrelated radar signals during its flight on November 17, 1986. FAA experts explain the phenomenon of uncorrelated primary and beacon targets and its implications for radar tracking.
95% match

733667-001-031-0012

Radar Report Unclassified Released — Credibility 90% Original ↗
This document discusses the FAA's analysis of radar data related to Japan Airlines flight 1628, which experienced uncorrelated radar signals during its flight on November 17, 1986. The FAA experts concluded that the radar system detected an 'uncorrelated primary and beacon target', a phenomenon that can occur under certain conditions, particularly when a pil…
91% match

UAP D018 Gemini 4 Experiment Debriefing 1967

Other Unclassified Released — Credibility 90% Original ↗
The document is a detailed debriefing of the Gemini 4 mission, focusing on the additional flight activities and the performance of the spacecraft and crew during the mission. It outlines the objectives, procedures, and experiments conducted during the flight, including extravehicular activities and rendezvous maneuvers.
89% match

733667-02-001

Foia Release Unclassified Released — Credibility 90% Original ↗
…urred on November 17, 1986, and involved two smaller lights and a massive object described as being twice the size of an aircraft carrier. The FAA and military radar initially detected the object, but later investigations attributed the radar signals to electronic clutter.
88% match

733667-001-019-0018

Radar Report Unclassified Released — Credibility 80% Original ↗
The document discusses the phenomenon of uncorrelated radar signals, specifically the differences between primary radar returns and secondary beacon returns when tracking aircraft.
88% match

733667-001-022-0010

Radar Report Unclassified Released — Credibility 80% Original ↗
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.
88% match

733667-001-023-0002

Radar Report Unclassified Released — Credibility 80% Original ↗
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.
87% match

333336332

Foia Release Unknown Released — Credibility 1% Original ↗
…menon as he stood outside the rear entrance door to the building. The object appeared as a very bright reddish-white object approximately ten miles west of the radar site. The object passed behind a hill and reappeared apparently heading in a northerly direction at a very slow speed (est 10-15 MPH), Airman Dennis reported — this sighting to his crew chief, A…
85% match

733667-001-011-0012

Radar Report Unclassified Released — Credibility 80% Original ↗
The document discusses the phenomenon of uncorrelated radar returns from aircraft, specifically detailing the differences between primary radar signals and secondary transponder signals.
85% match

733667-001-019-0178

Radar Report Unclassified Released — Credibility 80% Original ↗
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.
85% match

--- 40027753-001-0001.tif --- REFERENCE REPORT PROJECT BLUE BOOK Textual records of Projec

Foia Release Unclassified Released — Credibility 90% Original ↗
This document provides a comprehensive overview of Project Blue Book, detailing the investigations of unidentified flying objects (UFOs) conducted by the U.S. Air Force from 1947 to 1969. It includes information on the types of records available, the categorization of sightings, and the conclusions drawn from the investigations.
84% match

UAP D001 Congress WhiteHouse UFO Correspondence 1998

Congressional Testimony Unclassified Released — Credibility 90% Original ↗
This document contains correspondence between U.S. Congress members and NASA regarding inquiries about UFOs and Mars photographs. It includes letters from Senator Olympia Snowe and Senator Charles Grassley, addressing public concerns about UFO sightings and the authenticity of NASA's Mars images.
80% match

733667-001-009

Pilot Report Unclassified Released — Credibility 90% Original ↗
This document is a record of an interview conducted with JAL First Officer Takanori Tamefuji regarding his sighting of an unidentified flying object (UFO) on November 17, 1986. The interview was conducted by Inspector Peter E. Beckner and an interpreter in Anchorage, Alaska. Tamefuji described seeing multiple lights that he initially thought were from an air…
77% match

--- 38222946-001-005-0001.tif --- COORDINATION AND RECORD COPY Mr. Enrico Grimaldi 14 King

Fbi Memo Unclassified Released — Credibility 90% Original ↗
This document is a correspondence regarding a UFO sighting report submitted by Mr. Enrico Grimaldi, which was forwarded to the Air Force by the Montauk Air Station. The letter informs Grimaldi that the Air Force's Project Blue Book was terminated in 1969, and that any actions regarding UFO sightings are now left to individuals. The letter also advises Grimal…
77% match

47323287

Foia Release Unclassified Released Jun 15, 2026 Credibility 70% Original ↗
47323287
73% match

UAP D020 Gemini 5 Technical Debriefing Part2 1965

Other Confidential Released — Credibility 90% Original ↗
The document is a technical debriefing transcript of the Gemini V mission, focusing on the flight crew's operational experiences and observations during the mission. It includes discussions on systems operations, visual sightings, experiments, and various technical aspects of the spacecraft's performance.