Human-world claims below are kept separate from Fred and Visitor editorial/lore. Translation changes language, not evidence status.
Witness typesTwo witnesses
Sensor typesNot stated
Evidence typesWitness reports, Official GEIPAN investigation, Official assessment identifying a probable aircraft explanation
The case is titled “LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997” and has an observation date of 21/07/1997.
Claim #2302 // FACTUAL CLAIM // SOURCED // 99% extraction confidence
“LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997
Observation date
21/07/1997”
Source: LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997
// [[T0001]]
The case is located in the Pays de la Loire region and the Maine-et-Loire department.
Claim #2303 // FACTUAL CLAIM // SOURCED // 99% extraction confidence
“Region
Pays de la Loire
Department
Maine-et-Loire”
Source: LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997
// [[T0001]]
The case is classified B.
Claim #2304 // FACTUAL CLAIM // SOURCED // 99% extraction confidence
“Classification
B”
Source: LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997
// [[T0001]]
The case summary describes observations of a dark craft with lights flying over a house, accompanied by a dull noise, and identifies probable observation of an aircraft.
Claim #2305 // FACTUAL CLAIM // SOURCED // 99% extraction confidence
“Observations of the movement, accompanied by a dull noise, of a dark craft with lights flying over a house: probable observations of an aircraft.”
Source: LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997
// [[T0001]]
On July 21, 1997, between 10:45 p.m. and 11:15 p.m., two witnesses reported observing for 3 or 4 minutes a dark craft with colored lights and a dull noise moving from southwest to northeast above their house.
Claim #2307 // ATTRIBUTED CLAIM // SOURCED // 98% extraction confidence
“On July 21, 1997, between 10:45 p.m. and 11:15 p.m., two witnesses observed for 3 or 4 minutes the passage from southwest to northeast, above their house, of a dark craft with colored lights on either side and emitting a dull noise.”
Source: LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997
// [[T0002]]
GEIPAN's analysis concluded that the witnesses probably observed a small private aircraft preparing to land after a nighttime VFR/IMC flight, possibly at Ancenis Airport.
Claim #2308 // ASSESSMENT // SOURCED // 96% extraction confidence
“Over the course of the analysis, we were able to show that the witnesses probably observed, under difficult conditions (at twilight and/or at night), a small private aircraft preparing to land, with its landing lights on, after a nighttime VFR/IMC flight, possibly at Ancenis Airport (see the investigation report).”
Source: LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997
// [[T0002]]
The reported noise and total observation duration were assessed as fitting the aircraft hypothesis.
Claim #2309 // ASSESSMENT // SOURCED // 94% extraction confidence
“The perceived noise, described as resembling that of a “small airplane” by T1, as well as the total observation duration, fits the hypothesis perfectly.”
Source: LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997
// [[T0002]]
The analysis assessed that the witnesses' description of a circular, elongated object without wings was almost certainly a perceptual illusion caused by observing the aircraft primarily through its lights.
Claim #2310 // ASSESSMENT // SOURCED // 93% extraction confidence
“The witnesses describe a circular object, elongated along its length and without wings, but this is almost certainly a classic perceptual illusion, with the brain unconsciously attempting to reconstruct a “solid” shape for the UAP, visible only through its lights.”
Source: LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997
// [[T0002]]
The arrangement of the reported lights was assessed as consistent with observing an aircraft approaching head-on with three landing lights.
Claim #2311 // ASSESSMENT // SOURCED // 95% extraction confidence
“The arrangement of the lights, as described by the witnesses, is also entirely consistent with observing an aircraft approaching head-on, the observation beginning when it was sufficiently low on the horizon for the perspective to “flatten” the triangular shape defined by its three landing lights (one at the front and the”
Source: LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997
// [[T0002]]
The witnesses differed about the color of the lights, with T2 describing them as white and T1 describing them as red.
Claim #2312 // FACTUAL CLAIM // SOURCED // 99% extraction confidence
“The witnesses nevertheless differ on the color of the lights, described as white by T2 and red by T1.”
Source: LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997
// [[T0003]]
The analysis identified the absence of anti-collision lights during the final phase as a more difficult issue for the aircraft hypothesis, while noting possible explanations involving clouds and temporary switching-off during an IMC flight.
Claim #2313 // ASSESSMENT // SOURCED // 91% extraction confidence
“More difficult to explain is the absence of visibility of the anti-collision lights during this final phase, when the aircraft passed above (or almost above) the witnesses.”
Source: LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997
// [[T0003]]
The absence of anti-collision lights was not considered sufficient to rule out the aircraft hypothesis.
Claim #2314 // ASSESSMENT // SOURCED // 96% extraction confidence
“This last point nevertheless does not appear sufficient to rule out the hypothesis, since it is not without a possible explanation and given the importance of the other points supporting the hypothesis.”
Source: LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997
// [[T0004]]
The case has average consistency, with two reports but missing useful analytical data and contradictions between the witnesses that the gendarmerie investigation did not characterize or quantify.
Claim #2315 // ASSESSMENT // SOURCED // 98% extraction confidence
“The consistency is average. We have two reports, one of them particularly detailed, but useful data for the analysis are missing, such as angular measurements (dimensions of the UAP, heights above the horizon during the different phases, etc.). Above all, there are contradictions between the witnesses that the gendarmerie investigation did not attempt to characterize or quantify.”
Source: LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997
// [[T0004]]
GEIPAN considered the consistency barely sufficient to validate the aircraft hypothesis, with residual strangeness associated with particular aeronautical, atmospheric, or visibility circumstances.
Claim #2316 // ASSESSMENT // SOURCED // 98% extraction confidence
“The consistency is barely sufficient to validate the aircraft hypothesis with its residual strangeness content (the aircraft hypothesis must be associated with particular aeronautical, atmospheric, or visibility circumstances).”
Source: LA CHAPELLE-SAINT-FLORENT (49) 21.07.1997
// [[T0004]]
