CORROBORATED
CF-GEI-20110908156 CORROBORATED
The Arras Orange Disk Sighting
CASE FILE — CF-GEI-20110908156 — CASEFILES CLASSIFIED ARCHIVE
Date Date when the incident was reported or occurred
2011-09-25
Location Reported location of the sighting or event
Arras, Pas-de-Calais, France
Duration Estimated duration of the observed phenomenon
10-15 minutes
Object Type Classification of the observed object based on witness descriptions
disk
Source Origin database or archive this case was sourced from
geipan
Witnesses Number of known witnesses who reported the event
5
Country Country where the incident took place
FR
AI Confidence AI-generated credibility score based on source reliability, detail consistency, and corroboration
85%
On the night of September 24-25, 2011, a witness in Arras, France observed a large, flat orange light described as 'saucer-shaped' ('lumière orange en forme de soucoupe') for 10-15 minutes. The sighting occurred near a helicopter, likely departing from the local hospital, which initially drew the witness's attention to the sky. The observation began with one additional witness present, and three more people arrived in time to see the object as it moved away. The witness submitted a terrestrial questionnaire (QT) to GEIPAN via email on December 4, 2011—nearly four months after the incident—making it impossible to file an official report with the Gendarmerie due to the delay.
The primary witness described the object as wide, flat, and orange-colored, though the testimony lacked precision in critical details. Despite multiple witnesses observing at least part of the event, only the primary witness provided testimony to GEIPAN. The investigation report notes that the helicopter departing from the hospital merely served to direct the witness's attention skyward, rather than being directly related to the phenomenon itself.
GEIPAN classified this case as 'C' (lack of information) due to insufficient data and the absence of corroborating testimony from the other four witnesses. The investigation identified Thai lanterns (lanternes thaï) as the most likely explanation, though investigators noted that typical indicators supporting this hypothesis were not strong enough to confirm it definitively. Wind direction data was imprecise, and the description of how the object departed left some interpretational doubt.
02 Timeline of Events
Night of Sept 24-25, 2011
Helicopter Draws Attention
A helicopter, likely departing from the local hospital in Arras, draws the primary witness's attention to the night sky
~23:00-01:00 (estimated)
Orange Object Observed
Primary witness and one companion observe a large, flat, orange light described as saucer-shaped. The object remains visible and moves through the sky
During observation
Additional Witnesses Arrive
Three more people join the observation, witnessing the object as it moves away and the sighting concludes. Total observation duration: 10-15 minutes
December 4, 2011
Report Filed with GEIPAN
Nearly four months after the incident, the primary witness submits a Questionnaire Terrestre (QT) via email to GEIPAN. The delay makes official gendarmerie investigation impossible
Post-investigation
GEIPAN Classification
GEIPAN classifies the case as 'C' (lack of information) due to imprecise testimony, absence of corroborating reports from other witnesses, and insufficient data to confirm Thai lantern hypothesis definitively
03 Key Witnesses
Anonymous Witness 1
Civilian
low
Primary witness who submitted questionnaire to GEIPAN four months after observation. Provided imprecise testimony according to investigators.
"Observed an orange light shaped like a saucer ('lumière orange en forme de soucoupe') for 10-15 minutes near a helicopter"
Anonymous Witness 2
Civilian
unknown
Second witness present from the beginning of the observation. Did not submit testimony to GEIPAN.
Anonymous Witnesses 3-5
Civilian
unknown
Three additional witnesses who arrived during the observation and saw the object as it moved away. None submitted testimony to GEIPAN.
04 Analyst Notes -- AI Processed
This case demonstrates several credibility challenges that weaken its evidential value. The four-month delay between observation and reporting is significant, as it prevented official gendarmerie investigation and likely degraded memory accuracy. Most critically, despite five total witnesses, only one submitted testimony—a red flag suggesting the other observers either saw something mundane or didn't consider the event significant enough to report. The witness's description as 'not very precise' ('témoignage pas très précis') further undermines reliability.
The temporal context is important: the sighting occurred during a period when Thai lanterns were becoming increasingly popular in France for celebrations and events, particularly on weekend nights. The orange color, saucer-like appearance when viewed from certain angles, and 10-15 minute duration are all consistent with one or more sky lanterns drifting on air currents. The presence of a hospital helicopter is a contextual detail that, while interesting, appears coincidental—GEIPAN's analysis correctly identifies it as merely drawing attention skyward rather than being anomalous itself. The investigators' note that wind direction was imprecise and the departure description ambiguous suggests the witness may have lost sight of the object as it drifted beyond visual range or the lantern's fuel extinguished, both normal lantern behaviors.
05 Theory Comparison
BELIEVER ANALYSIS
SKEPTIC ANALYSIS
Witness Misperception Compounded by Delay
The four-month delay between observation and reporting significantly degraded memory accuracy and prevented timely investigation. The witness's own testimony is characterized as imprecise by investigators. Most tellingly, four other witnesses who saw at least part of the event didn't consider it significant enough to report, suggesting they recognized a mundane explanation. The helicopter was merely a coincidental attention-getter. The orange color, duration, and 'saucer' shape when viewed from below are all classic sky lantern characteristics during France's period of increasing lantern popularity.
06 Verdict
ANALYST VERDICT
This case almost certainly involves misidentification of one or more Thai lanterns. GEIPAN's assessment is sound: while the hypothesis is 'privileged' (favored), the evidence isn't strong enough for a definitive Class-A explanation due to imprecise data. The orange color, flat/disk appearance, duration, and weekend night timing all align perfectly with sky lantern characteristics. The lack of additional witness testimony despite four other observers present strongly suggests they recognized the mundane nature of what they saw. The witness's four-month delay in reporting and acknowledged imprecision in testimony further reduce case significance. This represents a typical low-priority misidentification case that would benefit from public education about common aerial phenomena like sky lanterns.
AI CONFIDENCE SCORE:
85%
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