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As its name suggests, ALSACAT is my comprehensive catalog of UFO sighting reports in Alsace, the region is the North-East of France, whether they are "explained" or "unexplained".

The ALSACAT catalog is made of case files with a case number, summary, quantitative information (date, location, number of witnesses...), classifications, all sources mentioning the case with their references, a discussion of the case in order to evaluate its causes, and a history of the changes made to the file. A general index and thematic sub-catalogs give access to these Alsatian case files.

Case of Strasbourg, on March 1, 2003:

Case number:



The Alsatian ufology association SPICA indicated on the web that they had received on March 2, 2003, a report by Fabienne, of Strasbourg, who told that she and her friend heard on March 1, 2003, around 11:30 p.m. "the same sound as in the August evening."

The sky was clouded because of bad weather, so they observed nothing, the mre so as they took too much time to go to the window, first thinking it was an ordinary plane.

The noise started slowly in the distance to become very strong over them and fade again, to become stronger for a moments like "if it came back to us and disappeared."

The two people were not in the same room and concerted later to arrive at the conclusion that they had already heard the noise that had alerted them in August.

Fabienne took the opportunity to ask SPICA where they stood in their research - about this noise, probably, she probably already reported the noise of August.

SPICA indicated that their investigation was ongoing; and in 2015, in their list of observations in the Lower Rhine, they indicated to have no explanation to offer, for lack of information.


Temporal data:

Date: March 1, 2003
Time: ~11:30 p.m.
Duration: ?
First known report date: March 2, 2003
Reporting delay: Hours, 1 day.

Geographical data:

Department: Bas-Rhin
City: Strasbourg
Place: From inside home, no UFO seen.
Latitude: 48.582
Longitude: 7.743
Uncertainty ratio: 5 km

Witnesses data:

Number of alleged witnesses: 2
Number of known witnesses: 1
Number of named witnesses: 0
Witness(es) ages: ?
Witness(es) types: Girl or woman and her boyfriend or friend or husband.

Ufology data:

Reporting channel: Listing of sightings by the regional ufology group SPICA.
Type of location: ?
Visibility conditions: Night, cloud layer.
UFO observed: No
UFO arrival observed: N/A
UFO departure observed: N/A
Entities: No
Photographs: No.
Sketch(s) by witness(es): No.
Sketch(es) approved by witness(es): No.
Witness(es) feelings: Puzzled.
Witnesses interpretation: First though it was a plane's noise.


Hynek: N/A
ALSACAT: Probable plane or helicopter noise, no UFO seen.



Reçu le 2 mars 2003

Mon ami et moi avons entendu hier soir aux alentours de 23h30 le même bruit que lors de la soirée d'août dernier, le ciel étant bouché à cause du mauvais temps nous n'avons rien observé, il faut dire que nous avons mis du temps à aller à la fenêtre pensant tout d'abord à un banal avion. Le bruit a commencé doucement dans le lointain pour devenir très fort au dessus de nous et s'atténuer à nouveau, il est redevenu plus fort quelques instants comme s'il revenait vers nous et a disparu. Nous n'étions pas dans la même pièce et nous nous sommes concertés plus tard pour en arriver à la conclusion que nous avions déjà entendu ce bruit qui nous avait alerté en août.

J'ai cru bon de vous avertir, sinon où en êtes vous de vos recherches ?

Fabienne de Strasbourg

L'enquête est en cours


City Date and hour of observation General shape
General color
STRASBOURG Saturday 1 March 2003 at 11:30 p.m. Does not know
Does not know
Unsolved -lack of info


That's hardly intriguing: not only was no UFO seen, but what was heard was initially thought to be the sound of an airplane by the witnesses themselves. Without any real indication of strangeness, it is possible that it was just that.


Probable plane or helicopter noise, no UFO seen.

Sources references:

* = Source is available to me.
? = Source I am told about but could not get so far. Help needed.

File history:


Main author: Patrick Gross
Contributors: None
Reviewers: None
Editor: Patrick Gross

Changes history:

Version: Create/changed by: Date: Description:
0.1 Patrick Gross September 11, 2015 Creation, [sp1], [spa4].
1.0 Patrick Gross September 11, 2015 First published.

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