CORROBORATED
CF-GEI-19760900341 CORROBORATED
The Magne Silent Tri-Color Object
CASE FILE — CF-GEI-19760900341 — CASEFILES CLASSIFIED ARCHIVE
Date Date when the incident was reported or occurred
1976-09-10
Location Reported location of the sighting or event
Magne, Vienne, France
Duration Estimated duration of the observed phenomenon
45 seconds
Object Type Classification of the observed object based on witness descriptions
sphere
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 September 10, 1976, at 23:15 hours, a single witness in Magne (Vienne department, Poitou-Charentes region) observed a round object approximately the size of a helicopter traveling from northwest to east. The object exhibited a distinctive characteristic: it rapidly emitted three successive colors—yellow, green, and red—in quick succession. Despite the object's proximity and apparent size, the witness reported hearing no sound whatsoever during the 45-second observation period.
The witness did not immediately report the sighting to authorities, instead providing testimony to the gendarmerie (French military police) at a later date. Following the delayed report, local press coverage generated an article about the incident in an apparent attempt to locate additional witnesses. However, no other individuals came forward to corroborate the sighting, leaving this as a single-witness case.
GEIPAN's official investigation concluded with a 'B' classification (probable identification), determining that the witness most likely observed the passage of a conventional aircraft. The tri-color light sequence, trajectory, and size are consistent with aircraft navigation and position lighting, though the reported silence remains the primary anomalous element in an otherwise explicable sighting.
02 Timeline of Events
23:15
Initial Sighting
Witness observes round object approximately helicopter-sized appearing from northwest direction
23:15:15
Tri-Color Light Display Observed
Object rapidly emits successive yellow, green, and red lights while traveling eastward; no sound detected
23:15:45
End of Observation
Object completes 45-second transit across sky and disappears from view to the east
Later (date unknown)
Delayed Report to Gendarmerie
Witness provides testimony to French military police about the September 10 sighting
Following report
Press Coverage
Local newspaper publishes article about the sighting in attempt to locate additional witnesses; none come forward
Investigation conclusion
GEIPAN Classification
Official investigation concludes with 'B' classification: probable observation of conventional aircraft
03 Key Witnesses
Anonymous Witness
Civilian
unknown
Single witness from Magne who delayed reporting the sighting to gendarmerie. No additional background information available in official records.
"No direct quotes available in investigation file"
04 Analyst Notes -- AI Processed
The GEIPAN 'B' classification indicates investigators reached a probable—though not certain—identification of the phenomenon as conventional aircraft. Several factors support this conclusion: the observed trajectory (northwest to east) follows typical flight paths; the round appearance is consistent with viewing an aircraft from certain angles; and the size comparison to a helicopter suggests a relatively low-altitude aircraft. Most significantly, the rapid succession of yellow, green, and red lights strongly corresponds to standard aviation navigation lighting systems.
The primary anomaly is the complete absence of sound during a 45-second observation of an object described as helicopter-sized. However, several explanations exist: atmospheric conditions can significantly dampen sound propagation; the witness may have been indoors or in a location with ambient noise; or the aircraft may have been at a higher altitude than estimated, making it appear larger due to optical factors. The delayed reporting and absence of corroborating witnesses—despite press coverage—suggests limited public interest or visibility, further supporting a mundane explanation. The witness's credibility cannot be fully assessed given the sparse documentation, but the delayed report may indicate initial uncertainty about what was observed.
05 Theory Comparison
BELIEVER ANALYSIS
SKEPTIC ANALYSIS
Perceptual Factors and Delayed Reporting
The delayed reporting suggests the witness initially had doubts about the significance of the observation. The absence of corroborating witnesses despite press coverage indicates the event was either not widely visible or appeared mundane to others. Human perception of aircraft at night, particularly regarding size estimation and color interpretation, is notoriously unreliable. The 'successive' color changes may have been simultaneous lights observed from a changing angle as the aircraft passed.
06 Verdict
ANALYST VERDICT
This case represents a probable misidentification of conventional aircraft, with GEIPAN investigators showing appropriate confidence in their assessment. The tri-color light sequence is the most diagnostic feature, strongly indicating aircraft navigation lights rather than an anomalous phenomenon. The silence, while unusual, is not sufficiently anomalous to override the otherwise conventional characteristics. The case holds minimal significance for UAP research, serving primarily as an example of how unusual viewing angles, lighting conditions, and sound propagation can create temporarily perplexing observations of ordinary aircraft. The single-witness testimony, delayed reporting, and lack of corroboration further diminish the case's evidential value.
AI CONFIDENCE SCORE:
85%
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