What Really Happened in Belfort’s UFO Files?

Introduction

That does not make the department uninteresting. Its cases show how ordinary-looking local reports can become “UFO” stories before investigation: aircraft lights seen from the ground, a bright balloon in daylight, a dark object glimpsed by a tired driver, a kite with a camera, and probable sky lanterns. The value of Territoire de Belfort as a UFO-history page is therefore not a spectacular mystery, but a clear departmental example of how official French investigation separates unresolved reports from weak, explained and probably explained sightings.[cnes-geipan.fr+3cnes-geipan.fr+3cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr. Overview image for Territoire de Belfort

What the official record actually contains

GEIPAN’s search index for Territoire de Belfort lists six relevant public cases in the department: Beaucourt on 2 April 1979, Belfort on 4 May 1981, Méroux on 26 September 2009, a Grandvillars-to-Delle road sighting on 14 April 2013, Valdoie on 24 December 2015, and Belfort on 21 January 2020. The official classifications are revealing: Beaucourt, Belfort 1981 and Belfort 2020 are classed A; Méroux and Valdoie are classed B; Grandvillars-to-Delle is classed C.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

In GEIPAN language, class A means the phenomenon was identified after investigation, class B means it was probably identified, class C means the case cannot be identified because the information is insufficient, and class D is reserved for phenomena not identified after investigation. This distinction matters because a class C case is not the same as a strong mystery; it is often a thin file with too little data to test properly.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

For Territoire de Belfort, the pattern is therefore modest but useful. The public official file does not show a major “flap” comparable to better-known French waves, nor does it show a department full of high-strangeness, multi-witness, sensor-backed incidents. It shows a small set of reports, with the strongest official conclusions pointing towards conventional explanations.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

The Beaucourt case: a dramatic report that became an aircraft explanation

The most vivid older case is Beaucourt, reported on 2 April 1979. According to GEIPAN’s case summary, the gendarmerie received telephone calls at about 20:40 reporting an object over the commune emitting a bright light. Officers who went to the scene saw an orange luminous phenomenon moving across a clear sky towards the north-east, with flashing red lights and a fixed green light. On its face, this is exactly the kind of description that can sound impressive in a local UFO retelling.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

The investigation, however, found a conventional match: an aircraft, identified in the summary as a DC-9, was carrying out training flights in the region between about 20:30 and 21:15. GEIPAN classed the case A, meaning identified, and summarised it as bright lights at altitude caused by an aircraft on a training flight.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

This case matters because it had several features readers often associate with a stronger report: multiple callers, gendarmerie involvement, an observed light pattern, and movement across the sky. Yet the light configuration itself — orange appearance, flashing red lights and a fixed green light — is also exactly the sort of detail that can strengthen an aviation explanation rather than weaken it. In Territoire de Belfort’s UFO history, Beaucourt is less a mystery than a cautionary example: official attention does not automatically mean an unexplained event.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr. Territoire de Belfort illustration 1

Méroux in 2009: the bright silver “ball” and the balloon hypothesis

The Méroux case from 26 September 2009 is the department’s best-documented modern example because GEIPAN published a short investigation report. The witness reported seeing a very bright silver ball above Méroux, south-east of Belfort, at around 11:00 in the morning. It appeared still, then moved very slowly horizontally, and suddenly disappeared from view. The witness took photographs and later contacted GEIPAN.[cnes-geipan.fr]cnes-geipan.frCompte rendu enquete268Compte rendu enquete268

The witness described good visibility, a clear sky, an east-north-east viewing direction, an estimated five-minute duration, a spherical shape, and a sudden disappearance compared to a bubble bursting. GEIPAN considered and rejected a link with a mass hot-air balloon launch at Chambley, partly because the distance was about 150 km and the winds did not support it.[cnes-geipan.fr]cnes-geipan.frCompte rendu enquete268Compte rendu enquete268

Grandvillars to Delle: why “unexplained” can mean “not enough to work with”

The Grandvillars-to-Delle case of 14 April 2013 is the one Territoire de Belfort file most likely to be misunderstood if readers look only at the classification. GEIPAN classed it C, not A or B. That means it was not identified, but because of insufficient information rather than because it survived a strong investigation as a robust unexplained event.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

The witness, a 30-year-old woman, was driving at about 01:30 when she saw, for a few seconds, a black sphere moving in a straight line before disappearing behind trees. The testimony page records a single object, spherical in form, black in colour, with an apparent size compared to a bowl. No other testimony was collected.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

GEIPAN’s own discussion is notably cautious. It stated that the black sphere did not fit the usual classic misidentifications, but also that the distance, straight-line movement and brief duration made the case relatively low in strangeness. The witness was alone, saw it only for a few seconds after a very long day, and GEIPAN explicitly left open possibilities such as an illusion, a night bird, or a fatigue-related visual problem. The gendarmerie report had not been received by GEIPAN at the time of the published summary.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

This is a good departmental example of the difference between “unexplained” and “strongly unexplained”. A weakly evidenced case can remain unidentified because the data are too poor, not because the phenomenon was extraordinary. In a public-facing UFO history, the Grandvillars-to-Delle sighting should be described as unresolved but evidentially thin.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr. Territoire de Belfort illustration 2

Belfort in 2020: a modern photograph, a witness, and a kite

The 21 January 2020 Belfort case is important because it shows how a contemporary report with a photograph can still resolve into a simple local explanation. At about 16:45 to 17:00, a witness saw a dark object from a window, with four coloured horizontal bands below it — red, green, blue and possibly yellow. The object continued moving in the sky with turning motions until nightfall, and the witness photographed it.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

GEIPAN rated the case as having good consistency because there was a photograph and a high-quality witness account. But the witness later found the explanation: a kite in the Pépinière district of Belfort, fitted with a GoPro camera. GEIPAN classed the case A, with zero residual strangeness in the published file.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

This case is valuable because it avoids two common mistakes. Sceptics should not dismiss every report as careless: the witness took a photograph and tried to understand what had been seen. UFO enthusiasts, however, should not treat a photograph as automatically strong evidence. A photo can preserve an odd-looking shape while still lacking the scale, distance and context needed to identify it without local follow-up.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

Valdoie, Belfort 1981 and the smaller official entries

Two Territoire de Belfort cases in the public index are thinner in accessible detail but still help define the department’s pattern. Valdoie, observed on 24 December 2015, is classed B and identified in the index as a probable sky lantern case. Sky lantern reports are a familiar source of UFO-like sightings because they can appear as slow, silent, warm-coloured lights moving with the wind, especially at night and around festive occasions.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

Why aviation context matters in this department

Territoire de Belfort has enough aviation background to make aircraft-related explanations especially relevant. Belfort-Chaux is a small public aerodrome north of Belfort, used for leisure and tourism aviation, including light aircraft, gliding, model aircraft and ballooning according to local aeroclub information. The local aeroclub group says it brings together five associations on the Belfort-Chaux aerodrome, and the departmental council owns the platform.[aeroclubs-belfort.fr]aeroclubs-belfort.frOpen source on aeroclubs-belfort.fr.

What the department’s pattern does and does not show

The available evidence does not support a dramatic Territoire de Belfort UFO narrative. There is no strong public GEIPAN class D case in the departmental set surfaced here, no clear official radar case, no well-documented pilot encounter, and no major flap period that dominates the record. The department’s best evidence is not for extraordinary craft, but for the usefulness of structured investigation.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

What the pattern does show is still meaningful. Several reports began with sincere observations of something odd: a bright object, a moving sphere, coloured bands, lights over a commune. In each stronger file, the investigation either found a likely ordinary cause or explained why the evidence could not carry much weight. That is exactly the distinction a public UFO history should preserve: witnesses may be honest, the experience may be memorable, and the case may still be weak or explained.[cnes-geipan.fr+3cnes-geipan.fr+3cnes-geipan.fr]cnes-geipan.frCompte rendu enquete268Compte rendu enquete268

Territoire de Belfort is therefore best understood as a low-volume department in the official French UFO record. Its cases are useful for comparison with stronger French files elsewhere: they show how many reports are filtered out by ordinary explanations before any genuinely puzzling residue remains. In this department, the residue is small, and the strongest published conclusions point towards misidentification, probability rather than certainty, or insufficient data rather than a robust unexplained phenomenon. Territoire de Belfort illustration 3 <section class="further-reading-section" data-page-toc-exclude aria-labelledby="further-reading-title"><div class="fr-section-shell"><div class="fr-section-header"><div class="fr-section-heading"><p class="fr-section-kicker">Amazon book picks</p><h3 class="fr-heading" id="further-reading-title">Further Reading</h3></div><p class="fr-intro">Books and field guides related to What Really Happened in Belfort's UFO Files?. Use these as the next step if you want deeper reading beyond the article.</p></div><div class="fr-books-grid"><article class="fr-book-card">Book<div class="fr-book-info"><h4 class="fr-book-title">The UFO Experience</h4><p class="fr-book-author">By Joseph Allen Hynek</p><p class="fr-book-desc">Useful for understanding how reports are categorized and assessed.</p><div class="fr-book-actions"> See on Amazon</div></div></article><article class="fr-book-card">Book<div class="fr-book-info"><h4 class="fr-book-title">UFOs and Government</h4><p class="fr-book-author">By Michael D. Swords</p><p class="fr-book-desc">Examines government involvement in UFO investigations.</p><div class="fr-book-actions"> See on Amazon</div></div></article><article class="fr-book-card">Book<div class="fr-book-info"><h4 class="fr-book-title">UFOs</h4><p class="fr-book-author">By Leslie Kean</p><p class="fr-book-desc">Matches the page's focus on official case records.</p><div class="fr-book-actions"> See on Amazon</div></div></article><article class="fr-book-card">Book<div class="fr-book-info"><h4 class="fr-book-title">The Demon-haunted World</h4><p class="fr-book-author">By Carl Sagan</p><p class="fr-book-desc">Supports critical evaluation of extraordinary claims.</p><div class="fr-book-actions"> See on Amazon</div></div></article></div><div class="fr-section-footer"><div class="fr-browse-links" aria-label="Browse more on Amazon">Browse more on Amazon:The UFO Experience UFOs and Government UFOs</div><p class="fr-disclosure">As an Amazon Associate I earn from qualifying purchases.</p></div></div></section><section class="further-reading-section" data-page-toc-exclude data-ebay-localized-links data-ebay-visual-market="EBAY_GB" aria-labelledby="merchant-block-title"><div class="fr-section-shell"><div class="fr-section-header"><div class="fr-section-heading"><p class="fr-section-kicker">eBay marketplace picks</p><h3 class="fr-heading" id="merchant-block-title">Marketplace Samples</h3></div><p class="fr-intro">Live-tested eBay searches with available results related to this page.</p><div class="fr-ebay-market-toolbar">Shop location<div class="fr-ebay-market-picker">UsingUSA<div class="fr-ebay-market-menu" data-ebay-market-menu role="listbox" hidden></div></div></div></div><div class="fr-ebay-market-panel" data-ebay-market-panel="EBAY_GB" data-ebay-market-default="1"><div class="fr-books-grid"><article class="fr-book-card"><div class="fr-book-info"><p class="fr-book-kicker">Example eBay listing</p><h4 class="fr-book-title">Aliens Saw Me Men's T-Shirt Funny Believe UFO Conspiracy Area 51 Spaceship Gift</h4>SearcheBay.co.uk: UFO t shirt<div class="fr-book-actions"> Browse similar oneBay.co.uk</div></div></article><article class="fr-book-card"><div class="fr-book-info"><p class="fr-book-kicker">Example eBay listing</p><h4 class="fr-book-title">Retro Comic Book Style UFO's Attack T Shirt Funny Alien 50s Cinema Style Design</h4>SearcheBay.co.uk: UFO t shirt<div class="fr-book-actions"> Browse similar oneBay.co.uk</div></div></article><article class="fr-book-card"><div class="fr-book-info"><p class="fr-book-kicker">Example eBay listing</p><h4 class="fr-book-title">Evolution - Alien Abduction Mens T-Shirt - UFO Invasion Beam Me Up Space Area 51</h4>SearcheBay.co.uk: UFO t shirt<div class="fr-book-actions"> Browse similar oneBay.co.uk</div></div></article><article class="fr-book-card"><div class="fr-book-info"><p class="fr-book-kicker">Example eBay listing</p><h4 class="fr-book-title">Alien Abduction Mens Tshirt UFO T-Shirt Area 51 Space Invasion Galaxy Tee E263</h4>SearcheBay.co.uk: UFO t shirt<div class="fr-book-actions"> Browse similar oneBay.co.uk</div></div></article></div><div class="fr-section-footer"> Browse more oneBay.co.uk<p class="fr-disclosure">Example items shown for inspiration; availability and pricing can change. Branchoria may earn a commission if you purchase through outbound eBay links.</p></div></div></div></section>

Endnotes

1. Source: cnes.fr
Link:https://cnes.fr/en/projects/geipan

<summary>Source snippet</summary><p>GEIPAN7 Jul 2025 — GEIPAN, the French UAP research and information group created by CNES in 1977, collects, analyses and archives inf…</p>

2. Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/fr/recherche/cas/tab?field_agregation_index_value=&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_longitude_value%5Bmin%5D=&field_phenomene_target_id=&field_type_de_cas_target_id=116&order=field_departement_textuel&page=18&select-category-export=nothing&sort=desc

3. Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/en/node/47976?page=140&undefined=

4. Source: cnes-geipan.fr
Title: Compte rendu enquete268
Link:https://www.cnes-geipan.fr/sites/default/files/Compte%20rendu%20enquete268.pdf

5. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/node/55945

6. Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/en/node/60427

7. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/node/412

8. Source: cnes-geipan.fr
Title: missions methodes et resultats
Link:https://www.cnes-geipan.fr/en/missions-methodes-et-resultats

9. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/temoignage/7946

10. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/glossaire

11. Source: geipan.fr
Link:https://www.geipan.fr/fr/cas/2015-09-09320?field_date_value=2019-08-31&field_is_new_value=1&page=%2C53

12. Source: cnes-geipan.fr
Title: export cas pub 20251127093552.csv
Link:https://www.cnes-geipan.fr/sites/default/files/save_json_import_files/export_cas_pub_20251127093552.csv

13. Source: aeroclubs-belfort.fr
Link:https://www.aeroclubs-belfort.fr/

14. Source: Wikipedia
Title: Aérodrome de Belfort
Link:https://fr.wikipedia.org/wiki/A%C3%A9rodrome_de_Belfort_-_Fontaine

15. Source: geipan.fr
Link:https://geipan.fr/fr/recherche/cas/tab?field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_type_de_cas_target_id=116&order=field_departement_textuel&page=18&select-category-export=nothing&sort=desc

16. Source: geipan.fr
Link:https://geipan.fr/fr/temoignage/9772

17. Source: geipan.fr
Link:https://www.geipan.fr/en/search/cas?customGetLattitude=35.188709584047814&customGetLongitude=-33.92578125&customGetZoom=3&field_agregation_index_value=&field_classification_des_cas_target_id%5B11%5D=11&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=70.72897946208789&field_latitude_value%5Bmin%5D=-0.3515602939922709&field_longitude_value%5Bmax%5D=25.839843750000004&field_longitude_value%5Bmin%5D=-93.69140625&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_classification_des_cas&page=%2C38&sort=asc

18. Source: geipan.fr
Link:https://www.geipan.fr/fr/recherche/cas/tab?field_agregation_index_value=&field_classification_des_cas_target_id%5B11%5D=11&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_longitude_value%5Bmin%5D=&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_departement_textuel&page=9&sort=asc

19. Source: geipan.fr
Link:https://www.geipan.fr/fr/recherche/cas/tab?fbclid=IwAR32Xw4FPA6L6uMbDrVI3ET3EnoPyLceNnyDp2Blb9uRHMC5hwUcF_wg6Fk&field_agregation_index_value=&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_longitude_value%5Bmin%5D=&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_date_d_observation&page=88&sort=desc

20. Source: geipan.fr
Link:https://geipan.fr/fr/recherche/cas/tab?field_agregation_index_value=&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_longitude_value%5Bmin%5D=&field_phenomene_target_id=&field_type_de_cas_target_id=116&order=field_departement_textuel&page=18%2C37&select-category-export=nothing&sort=desc

21. Source: geipan.fr
Link:https://geipan.fr/fr/recherche/cas/tab?field_date_value=2007-03-01&field_is_new_value=All&field_is_revisited_value=All&field_type_de_cas_target_id=All&order=field_departement_textuel&page=149&sort=asc

22. Source: geipan.fr
Link:https://geipan.fr/en/recherche/cas/tab?field_classification_des_cas_target_id%5B12%5D=12&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_longitude_value%5Bmin%5D=&field_type_de_cas_target_id=All&order=field_phenomene_textuel&page=56&sort=desc

23. Source: geipan.fr
Link:https://geipan.fr/fr/recherche/cas/tab?field_agregation_index_value=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_departement_textuel&page=148&sort=asc

24. Source: geipan.fr
Link:https://www.geipan.fr/en/recherche/cas/tab?field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmin%5D=&field_type_de_cas_target_id=All&order=field_classification_des_cas&page=77&sort=asc

25. Source: geipan.fr
Link:https://www.geipan.fr/fr/recherche/cas/tab?customGetLattitude=46.94358292648825&customGetLongitude=4.4989013671875&customGetZoom=7&field_agregation_index_value=&field_classification_des_cas_target_id=All&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=49.11702904077932&field_latitude_value%5Bmin%5D=44.77013681219717&field_longitude_value%5Bmax%5D=7.668457031250001&field_longitude_value%5Bmin%5D=1.329345703125&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_departement_textuel&page=9&sort=desc

26. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/

27. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/recherche/cas/tab?field_agregation_index_value=orange&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_longitude_value%5Bmin%5D=&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_departement_textuel&page=26%2C27&sort=asc

28. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/cas/2009-09-02415

29. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/recherche/cas/tab?field_agregation_index_value=&order=title&page=79&sort=asc

30. Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/en/recherche/cas/tab?field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_type_de_cas_target_id=All&order=field_departement_textuel&page=149&sort=asc

31. Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/en/recherche/cas/tab?field_agregation_index_value=06&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_type_de_cas_target_id=All&order=field_date_d_observation&page=22&sort=desc

32. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/recherche/cas/tab?customGetLattitude=46.94358292648825&customGetLongitude=4.4989013671875&customGetZoom=7&field_agregation_index_value=&field_classification_des_cas_target_id=All&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=49.11702904077932&field_latitude_value%5Bmin%5D=44.77013681219717&field_longitude_value%5Bmax%5D=7.668457031250001&field_longitude_value%5Bmin%5D=1.329345703125&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_departement_textuel&page=49%2C10&sort=asc

33. Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/en/search/cas?field_date_value=2007-03-01&field_is_revisited_value=All&field_type_de_cas_target_id=All&order=field_date&page=%2C111&sort=desc

34. Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/en/node/49003

35. Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/en/recherche/cas/tab?field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_type_de_cas_target_id=All&order=field_classification_des_cas&page=108&sort=desc

36. Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/en/node/48989

37. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/recherche/cas?field_agregation_index_value=orange&field_is_new_value=All&field_is_revisited_value=All&field_type_de_cas_target_id=All&order=field_date_d_observation_textuel&page=%2C24&sort=desc

38. Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/en/node/48997

39. Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/en/search/cas?field_classification_des_cas_target_id%5B13%5D=13&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_longitude_value%5Bmin%5D=&field_type_de_cas_target_id=All&order=field_date_d_observation&page=%2C29&sort=desc

40. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/recherche/cas/tab?customGetLattitude=43.9503570933062&customGetLongitude=-3.31787109375&customGetZoom=5&field_agregation_index_value=&field_classification_des_cas_target_id%5B11%5D=11&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=53.014783245859235&field_latitude_value%5Bmin%5D=34.88593094075317&field_longitude_value%5Bmax%5D=8.920898437500002&field_longitude_value%5Bmin%5D=-15.556640625000002&field_phenomene_target_id=&field_type_de_cas_target_id=All&page=39

41. Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/en/search/cas?field_agregation_index_value=06&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_type_de_cas_target_id=All&order=field_date_d_observation&page=%2C49&sort=desc

42. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/recherche/cas?customGetLattitude=43.9503570933062&customGetLongitude=-3.31787109375&customGetZoom=5&field_classification_des_cas_target_id%5B0%5D=11&field_latitude_value%5Bmax%5D=53.014783245859235&field_latitude_value%5Bmin%5D=34.88593094075317&field_longitude_value%5Bmax%5D=8.920898437500002&field_longitude_value%5Bmin%5D=-15.556640625000002&order=field_classification_des_cas&page=%2C132&sort=asc

43. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/recherche/cas/tab?field_agregation_index_value=&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=&field_latitude_value%5Bmin%5D=&field_longitude_value%5Bmax%5D=&field_longitude_value%5Bmin%5D=&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_date_d_observation_textuel&page=33&sort=desc&undefined=

44. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/recherche/cas/tab?customGetLattitude=46.124763699209396&customGetLongitude=2.406005859375001&customGetZoom=6&field_agregation_index_value=&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=50.52739681329302&field_latitude_value%5Bmin%5D=41.72213058512578&field_longitude_value%5Bmax%5D=8.745117187500002&field_longitude_value%5Bmin%5D=-3.9331054687500004&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_classification_des_cas&page=142&sort=asc&undefined=

45. Source: cnes-geipan.fr
Title: methodologie classification geipan
Link:https://www.cnes-geipan.fr/en/actualites/methodologie-classification-geipan

46. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/node/58788

47. Source: cnes-geipan.fr
Title: baisse cas d
Link:https://www.cnes-geipan.fr/en/actualites/baisse-cas-d

48. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/node/58894?page=%2C45

49. Source: cnes-geipan.fr
Title: 2015 09 01 Spatial Point Pattern Analysis of the Unidentified
Link:https://www.cnes-geipan.fr/sites/default/files/2015-09-01_Spatial_Point_Pattern_Analysis_of_the_Unidentified.pdf

50. Source: cnes-geipan.fr
Title: 03 ROSPARS full
Link:https://www.cnes-geipan.fr/sites/default/files/03_ROSPARS_full.pdf

51. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/stats

52. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/actualites/evolution-classification-des-cas

53. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/mentions_legales

54. Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/en/search/cas?field_agregation_index_value=&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_departement_target_id=Haute-Garonne&field_document_existe_ou_pas_value=All&field_latitude_value%5Bmax%5D=50.93073802371819&field_latitude_value%5Bmin%5D=42.19596877629178&field_longitude_value%5Bmax%5D=7.844238281250001&field_longitude_value%5Bmin%5D=-7.097167968750001&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=title&page=%2C9&select-category-export=nothing&sort=asc

55. Source: Wikipedia
Title: Lanterne céleste
Link:https://fr.wikipedia.org/wiki/Lanterne_c%C3%A9leste

56. Source: Wikipedia
Link:https://en.wikipedia.org/wiki/GEIPAN

57. Source: Wikipedia
Title: Aérodrome de Belfort Chaux
Link:https://fr.wikipedia.org/wiki/A%C3%A9rodrome_de_Belfort_Chaux

58. Source: Wikipedia
Title: Belfort Chaux Airport
Link:https://en.wikipedia.org/wiki/Belfort_Chaux_Airport

59. Source: Wikipedia
Title: Territoire de Belfort
Link:https://en.wikipedia.org/wiki/Territoire_de_Belfort

60. Source: Wikipedia
Title: Territoire de Belfort
Link:https://fr.wikipedia.org/wiki/Territoire_de_Belfort

61. Source: Wikipedia
Link:https://en.wikipedia.org/wiki/Belfort

62. Source: cnes.fr
Link:https://cnes.fr/projets/geipan

63. Source: belfort.fr
Link:https://www.belfort.fr/accueil

64. Source: youtube.com
Title: Geipan: France is also interested in UFOs
Link:https://www.youtube.com/watch?v=OLXDikL331Y

65. Source: weatherlink.com
Link:https://www.weatherlink.com/embeddablePage/show/1d25bd27106f49339d0fb8d1e5470377/summary

66. Source: frenchmoments.eu
Title: territoire de belfort
Link:https://frenchmoments.eu/territoire-de-belfort/

Additional References

67. Source: youtube.com
Link:https://www.youtube.com/watch?v=hn2xTieploU

<summary>Source snippet</summary><p>Geipan: France is also interested in UFOs…</p>

68. Source: youtube.com
Title: Meeting France’s UFO detectives
Link:https://www.youtube.com/watch?v=zczcBLukQ6s

<summary>Source snippet</summary><p>GEIPAN: Behind the scenes of the organization that studies unidentified aerospace phenomena…</p>

69. Source: researchgate.net
Link:https://www.researchgate.net/publication/369507030_GEIPAN_classification_with_text_mining_and_machine_learning

70. Source: facebook.com
Link:https://www.facebook.com/TheFrenchHistoryPodcast/posts/a-drawing-from-the-files-at-the-french-ufo-department/1337099231754482/

71. Source: territoiredebelfort.fr
Link:https://www.territoiredebelfort.fr/

72. Source: petitfute.com
Link:https://www.petitfute.com/v14061-la-chaux-25650/c1171-sports-loisirs/c1252-loisirs-et-sports-aeriens/c310-aeroclub/101643-aeroclub-de-belfort-chaux.html

73. Source: ch-aviation.com
Link:https://www.ch-aviation.com/airports/LFGG

74. Source: facebook.com
Link:https://www.facebook.com/FRANCE24/videos/-depuis-des-d%C3%A9cennies-les-ovnis-alimentent-tous-les-fantasmes-et-les-th%C3%A9ories-le/3009001669249813/

75. Source: regions-departements-france.fr
Link:https://www.regions-departements-france.fr/departement-90-territoire-de-belfort.html

76. Source: academia.edu
Link:https://www.academia.edu/99067452/GEIPAN_classification_with_text_mining_and_machine_learning

What Really Happened in Belfort's UFO Files?