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ReportUnclassifiedAnalyzedUFO Files Release 01

342_HS1-416511228_319.1 Flying Discs 1949

This file primarily contains incident reports on Unidentified Flying Objects (UFOs) written in compliance with the 1948 Flight Service Regulation (FSR) 200-4. The incidents were witnessed by military sources, as well as by some Civilian Aviation Authority (CAA) ones. The reports typically include information such as dates, locations, weather, and altitude, plus detailed descriptions of appearance and movement. Some messages from the Military Air Transport Service (MATS) and Army Airways Communications System (AACS) are also included, as well as additional military intelligence reports, several diagrams, and a report from a weather station in Japan.

War.gov PURSUEDepartment of WarRELEASE-01-FILE-025-342-HS1-416511228-319-1-FLYING-DISCS-19492026-05-08
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Pages
143
Claims
8
Backlinks
0
Signals
0

Document Intel

Source status, provenance, and extraction context.

Source
War.gov PURSUE
Type
Report
Classification
Unclassified
Agency
Department of War
Reference #
RELEASE-01-FILE-025-342-HS1-416511228-319-1-FLYING-DISCS-1949
Published
2026-05-08
Content Type
application/pdf
Pages
143

Structured Analysis

Claims and source material extracted from the document text. Timeline context is surfaced in document intel.

AI deep ingest from War.gov PURSUE.
Claims
Reported by source8
Source reportedObserved

Two objects were sighted over Kansas City, Kansas, and Olathe, Kansas on the night of 6 January 1950.

On the night of 6 January 1950, two objects were sighted over Kansas City, Kansas, and Olathe, Kansas.

Source reportedObserved

The objects appeared to be motionless over Olathe for ten to fifteen minutes, then moved off very fast.

They appeared to be motionless over Olathe for ten to fifteen minutes, then moved off very fast.

Source reportedObserved

The weather at Kansas City was clear with twelve miles visibility on 6 January 1950.

The weather at Kansas City was clear with twelve miles visibility.

Source reportedObserved

The incident was witnessed by James F. Grey and Robert Van De Vyvere.

The incident was witnessed by James F. Grey, 6200 Hadley St., Raytown, Missouri, phone FL 2744; and Robert Van De Vyvere, 5532, Raytom Road, Missouri.

Source reportedObserved

Two spherical objects were sighted, appearing to be the size of old fashioned street lights about two blocks distant.

Two objects were sighted, both spherical in shape. They appeared to be the size of old fashioned street lights about two blocks distant.

Source reportedObserved

The objects were a brilliant white, emanating orange and red flashes.

They were a brilliant white, emanating orange and red flashes.

Source reportedObserved

The estimated altitude of the objects was between seven and eight thousand feet.

The estimated altitude was between seven and eight thousand feet.

Source reportedObserved

No sound was emitted, nor exhaust trail apparent from the objects.

No sound was emitted, nor exhaust trail apparent.

Timeline

Chronology extracted from the document text.

6 January 1950

UFO sighting over Kansas City and Olathe

Two objects were sighted over Kansas City, Kansas, and Olathe, Kansas. They appeared to be motionless over Olathe for ten to fifteen minutes, then moved off very fast.

2 November 1948

Flight Service Regulation 200-4 issued

Regulation concerning Unidentified Flying Objects.

Source material
Incident report on UFO sighting over Kansas City and Olathe, 6 January 1950
documentPrimary
RELEASE-01-FILE-025-342-HS1-416511228-319-1-FLYING-DISCS-1949
Sketches of the sighted objects
document

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