UNRESOLVED
CF-GEI-20091102459 UNRESOLVED

The Théminès Triangle Lights

CASE FILE — CF-GEI-20091102459 — CASEFILES CLASSIFIED ARCHIVE
Date Date when the incident was reported or occurred
2009-11-26
Location Reported location of the sighting or event
Théminès, Lot, France
Duration Estimated duration of the observed phenomenon
30 seconds
Object Type Classification of the observed object based on witness descriptions
triangle
Source Origin database or archive this case was sourced from
geipan
Witnesses Number of known witnesses who reported the event
1
Country Country where the incident took place
FR
AI Confidence AI-generated credibility score based on source reliability, detail consistency, and corroboration
85%
On November 26, 2009, a single witness in Théminès, Lot department (46), France, reported observing three luminous points forming a triangular configuration. The sighting began with what appeared to be a star that grew larger (suggesting approach), followed by the silent passage of three distinct points of light maintaining a triangular formation. The object moved at a regular, constant speed and disappeared rapidly in the direction of Figeac, a nearby town approximately 15 kilometers to the north. The witness contacted GEIPAN (France's official UFO investigation service under CNES, the French space agency) by telephone to report the thirty-second observation. The object's silent movement and luminous configuration were the primary characteristics noted. The witness described the initial phase as resembling a star that appeared to grow in size, interpreted by investigators as a possible approach trajectory. Despite multiple follow-up attempts by GEIPAN investigators, the witness never returned the official questionnaire or formal statement (procès-verbal). Without these critical documents, GEIPAN was unable to conduct a proper investigation, leaving the case with minimal documentation and no corroborating evidence. The case was classified as 'C' by GEIPAN, indicating insufficient data for analysis.
02 Timeline of Events
Evening, November 26, 2009
Initial Observation - Approaching Star
Witness observes what appears to be a star that grows larger in size, suggesting an approaching object
+5 seconds (estimated)
Triangle Formation Visible
Three distinct luminous points become visible, forming a clear triangular configuration
+15 seconds
Silent Transit
The triangular formation passes overhead or nearby at regular, constant speed with no audible sound
+30 seconds
Rapid Departure
The phenomenon disappears rapidly in the direction of Figeac (approximately 15km north)
Shortly after sighting
GEIPAN Contact
Witness contacts GEIPAN by telephone to report the observation
Following weeks
Investigation Attempts Fail
GEIPAN makes multiple follow-up attempts, but witness never returns questionnaire or provides formal statement
Case closure
Classification C Assigned
GEIPAN classifies case as 'C' (insufficient data) and notes investigation is impossible without witness cooperation
03 Key Witnesses
Anonymous Witness 1
Civilian
low
Single witness who contacted GEIPAN by telephone but failed to provide formal statement or complete official questionnaire despite multiple follow-up requests from investigators.
"Une étoile qui grossit puis du passage silencieux à vitesse régulière de trois points lumineux formant un triangle."
04 Analyst Notes -- AI Processed
This case presents significant investigative challenges due to the complete lack of witness cooperation after the initial phone report. The witness's failure to provide a formal statement or complete the standard questionnaire despite multiple requests from GEIPAN is highly unusual and problematic for credibility assessment. This non-cooperation could indicate several possibilities: loss of interest, doubt about what was observed, privacy concerns, or simply administrative negligence. The described observation—an apparent star growing larger followed by three lights in triangular formation—is consistent with a conventional aircraft on approach. The Lot region lies beneath commercial air corridors, and aircraft with landing lights can create this exact visual effect: a bright approaching light (landing lights) followed by the triangular configuration of navigation lights (red port, green starboard, white tail). The silent passage is notable, though aircraft noise perception varies significantly with altitude, wind conditions, and observer position. The 30-second duration and steady speed are also consistent with aircraft transit. However, without witness cooperation, no correlation with flight data could be performed to confirm or exclude this hypothesis.
05 Theory Comparison
BELIEVER ANALYSIS
SKEPTIC ANALYSIS
Commercial Aircraft on Approach
The observation matches the classic appearance of an aircraft in an air corridor, particularly one on approach or descent. The initial 'growing star' would be bright landing lights approaching the observer, while the three lights in triangular formation represent standard aircraft navigation lights (port, starboard, and tail). The Lot region is within commercial air routes, and the direction toward Figeac could align with approach patterns to regional airports. The silent passage could be explained by altitude, atmospheric conditions, or wind direction affecting sound propagation. The 30-second duration is consistent with aircraft transit time across a typical observer's field of view.
06 Verdict
ANALYST VERDICT
Most likely explanation: conventional aircraft. The GEIPAN assessment that this observation "could correspond to an aircraft (air corridor)" appears sound given the described characteristics. The growing star effect followed by triangular lights moving at constant speed is a textbook description of aircraft navigation lights viewed during approach or transit. The critical weakness of this case is not the strangeness of the phenomenon, but the complete absence of investigative follow-through. Without a completed questionnaire, no details about viewing conditions, witness background, exact direction, angular size, or other critical factors could be established. The case remains technically unresolved only due to insufficient data, not because of unexplained characteristics. Confidence in conventional explanation: 75%. This case holds minimal significance for UAP research beyond serving as an example of investigative limitations when witness cooperation is absent.
AI CONFIDENCE SCORE:
85%
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