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The 1954 French flap:

The index page for the 1954 French flap section of this website is here.

August 12, 1954, Précy-sous-Thil, Côte-d'Or:

Reference for this case: 12-Aug-54-Précy-sous-Thil.
Please cite this reference in any correspondence with me regarding this case.

Summary:

In 1966, ufologist Jacques Vallée indicated that on August 12, 1954, in "Précy-sur-Thil" (actually Précy-sous-Thil) in the department of Côte-d'Or, a brilliant moving by jerks and letting appear a trail was seen.

Vallée indicated no source, and I found nothing else about this for now.

Reports:

[Ref. jve1:] JACQUES VALLEE:

Jacques Vallée indicates that on August 12, 1954, in "Précy-sur-Thil" in the department of Côte-d'Or, a shining object moving by jerks and letting a trail appear.

[Ref. jve2:] JACQUES VALLEE:

Vallée says that on August 12, 1954, at Precy-sur-Thil, a shiny object that moved in sudden jerks and left a trail was observed.

[Ref. lgs1:] LOREN GROSS:

UFO researcher/author Jacques Vallee noted a marked increase in French activity as early as August 11th when reports came in from eastern France at the towns of Serezin, Remiremont, Contrexéville and Gerardmer. And on the 12th, an object spewing a smoke trail and flying with a jerky motion was visible above Precy-sur-Thil. 195.

195. Vallee, Jacques and Janine. Challenge to Science. New York, N.Y.: Ace Books, Inc., 1966. p.15O.

[Ref. lhh1:] LARRY HATCH - "*U* COMPUTER DATABASE":

3704: 1954/08/12 12:00 1 4:19:00 E 47:23:00 N 3331 WEU FRN CDO 6:7

PRECY-sous-THIL,21,FR:SHINY UFO MOVES IN SUDDEN JERKS:LEAVES VAPOR TRAIL

Ref# 3 VALLEE:UFO ENIGMA: Challenge/Science Page No. 151 : FARMLANDS

[Ref. uda1:] "UFODNA" WEBSITE:

The website indicates that on 12 August 1954 at 16:30 in Precy-sous-Thil, France, "Shiny UFO moves in sudden jerks. Leaves vapor trail."

And: "An unidentified object was sighted, but with appearance and behavior that most likely would have a conventional explanation. One shiny disc was observed by three witnesses for five minutes."

The sources are indicated as "Vallee, Jacques, Computerized Catalog (N = 3073); Vallee, Jacques, Challenge to Science: The UFO Enigma, Henry Regnery, Chicago, 1966; Hatch, Larry, *U* computer database, Author, Redwood City, 2002".

[Ref. ubk1:] "UFO-DATENBANK":

This database recorded the case twice:

Case Nr.	New case Nr.	Investigator	Date of observation	Zip	Place of observation	Country of observation	Hour of observation	Classification	Comments	Identification
19540812			12.08.1954		Precy Thil	France	End of day	DD
19540812			12.08.1954		Precy Thil	France	16.30

Explanations:

Plane? Distorted meteor report?

Jacques Vallée writes "Précy-sur-Thil" but it is Précy-sous-Thil. The hour given by [uda1] is likely completely invented.

Keywords:

(These keywords are only to help queries and are not implying anything.)

Précy-sous-Thil, Précy-sur-Thil, Côte-d'Or, trail, tail, shining, jerks, moving, object

Sources:

[----] indicates sources that are not yet available to me.

[jve1] "Les Phénomènes Insolites de l'Espace", book by Jacques and Janine Vallée, La Table Ronde publishers, France, 1966.
[jve2] "Flying Saucers - A Challenge to Science", book by Jacques Vallée, Ace Star Books - Henry Regnery publishers, USA, page 150, 1966.
[jve1] "Challenge to Science: The UFO Enigma", book by Jacques and Janine Vallée, Henry Regnery publisher, USA, page 58, 1966.
[jve1] "Flying Saucers a Challenge To Science", book by Jacques Vallée and Janine Vallée, Ace Star publisher, USA, page 150, 1966.
[jve1] "Les Phénomènes Insolites de l'Espace", book by Jacques and Janine Vallée, Robert Laffont publisher, France, page 162, 1978.
[lgs1] "UFOs: A History - 1954 June - August", booklet by Loren Gross, USA, page 85, 1990.
[lhh1] "*U* Computer Database", database by Larry Hatch, USA, circa 2002.
[uda1] "12 Aug 1954 - Precy-sous-Thil, France", web page by the UFOdna website, circa 2008, at www.ufodna.com/uf02/uf0/020515.htm
[ubk1] Online database UFO-Datenbank, Germany, found in 2016, at ufodatenbank.de

Document history:

Version:	Created/Changed by:	Date:	Change Description:
0.1	Patrick Gross	October 17, 2007	First published.
1.0	Patrick Gross	March 18, 2010	Conversion from HTML to XHTML Strict. First formal version.
1.1	Patrick Gross	March 20, 2010	Additions [uda1].
1.2	Patrick Gross	November 20, 2016	Additions [lgs1], [ubk1].
1.3	Patrick Gross	September 11, 2019	Additions [lhh1], Summary.
1.4	Patrick Gross	June 7, 2022	Addition [jve2].

This page was last updated on June 7, 2022.