When Orly Aircraft Look Like UFOs

Introduction

Athis-Mons matters in Essonne’s UFO history because it sits beside Paris-Orly, one of the busiest pieces of sky in the department. The town has two useful GEIPAN cases: a striking but poorly documented 1980 report of a black cylinder seen by an air traffic controller, and a much more recent 2016 report in which a bright “ping-pong ball” light near the RN7 was judged probably to be an aircraft on approach to Orly. Together they show the central Athis-Mons question: not whether every odd light is “just a plane”, but how airport geometry can make aircraft lights look motionless, strangely bright, then suddenly fast. GEIPAN classifies the 1980 case as C, meaning not identified because of lack of reliable information, and the 2016 case as B, meaning probably identified after investigation.[cnes-geipan.fr+2cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr. Overview image for Athis Mons

Why Athis-Mons is a good test of airport-linked UFO reports

Athis-Mons is not a remote village with dark, empty skies. It is an urban Essonne commune immediately tied to the Paris-Orly environment, with roads, housing, airport infrastructure and aircraft traffic all packed into a small visual field. Paris-Orly is presented by Paris Aéroport as a major Paris-region airport about 13 kilometres south of Paris, and the airport area extends across several communes, including Athis-Mons on the Essonne side.[Paris Aéroport]parisaeroport.frParis Aéroport Welcome to Orly airport (ORYParis Aéroport Welcome to Orly airport (ORY

That setting changes how UFO reports should be read. A witness in Athis-Mons may be looking at a genuine aerial object, but the first serious question is often whether the object is an aircraft seen at an unusual angle, especially during approach or departure. Orly’s public aeronautical information lists runway thresholds for the main runways 06, 24, 07 and 25, while another official aeronautical document notes approach and runway lighting for several Orly runways.[Ministères Écologie et Territoire]ecologie.gouv.frORLY ENORLY EN

This does not make the witnesses unimportant. In fact, the opposite is true. Athis-Mons is useful precisely because sincere witnesses can report something that looks highly anomalous, yet the local aviation environment supplies a strong mechanism for illusion. The right question is not “were they lying?” but “what would an aircraft on or near the Orly approach path look like from that exact road, balcony, pavement or control-room window?”

The 1980 black cylinder report

The older Athis-Mons case is the most dramatic on paper. GEIPAN records that on 14 September 1980 at 12.45 pm, an air traffic controller on duty saw a particular phenomenon: a black cylindrical object, apparently stationary, positioned vertically above him at about 300 metres above the ground. The object then reportedly accelerated sharply and disappeared on an easterly heading.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

Those details explain why the case continues to attract attention. The witness role sounds unusually strong, the description is not merely a vague light, and the alleged behaviour — stationary, then sudden acceleration — is exactly the sort of sequence that makes a UFO account memorable. GEIPAN’s English testimonial metadata also records an urban/artificial setting, clear-sky conditions, a single object, a cylindrical form, black colour and variable apparent speed.[Geipan]geipan.frOpen source on geipan.fr.

Yet this is not a strong unresolved case in the evidential sense. GEIPAN classifies it as C, with the phenomenon type given as lack of reliable information. Its summary is blunt: no information allowing a serious study of the observation was collected.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

That classification matters. In GEIPAN’s system, C does not mean “extraordinary craft”. It means the case cannot be identified because the available data are insufficient. GEIPAN distinguishes that from D, a phenomenon still unidentified after investigation, and from B, a probably identified phenomenon.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

The 1980 report therefore sits in a frustrating middle position. It is intriguing because of the witness profile and the daylight cylinder description. It is weak because the public file, as presented by GEIPAN, lacks the corroborating material that would let later readers test direction, exact position, duration, aircraft traffic, balloon possibilities, optical conditions or whether the “acceleration” was real movement rather than a perspective effect. For Essonne’s UFO history, its value is less as proof of a mystery and more as a warning: a good witness title cannot compensate for a thin case file. Athis Mons illustration 1

The 2016 RN7 bright light case

The 2016 Athis-Mons report is less exotic, but more useful as an explanation case. GEIPAN records that on 30 July 2016 at about 7.15 pm, a witness stopped at a red light on the RN7 in Athis-Mons saw a very bright round object, described as like a “ping-pong ball”. It seemed stationary at first, then moved suddenly at high speed across a clear sky.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

The place is crucial. The witness was in a car on the RN7, close to Paris-Orly, travelling north towards a junction giving access to a service station near a neighbouring shopping centre. GEIPAN’s conclusion was that the sighting was compatible with an aircraft approaching Orly, with its landing lights seen almost along the aircraft’s line of travel. The case was classified B: a probable aircraft in approach, not a fully proven identification of a named flight.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

That distinction is fair and important. GEIPAN did not say, “This was Flight X.” It stated that radar data were not available for exploitation, so the exact aircraft could not be identified. Even so, the combination of location, geometry, brightness and known perceptual effects made the aircraft hypothesis strong enough for a B classification.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

The case also shows how a road observation can be deceptive. A witness stopped at traffic lights has only a short window, limited reference points, windscreen framing, road attention, nearby lights and a changing line of sight. A bright landing light aimed close to the observer can appear as a single intense object rather than a recognisable aircraft. Once the aircraft turns, crosses the line of sight, changes angle, or its lights become less head-on, the same object can appear suddenly to “move” or “accelerate”.

Why approach lights can seem motionless

The key mechanism in the 2016 case is line-of-sight geometry. When an aircraft is coming roughly towards an observer, its angular position in the sky may change very little. To the eye, especially without good distance cues, it can look as though the light is hanging in place. The brightness may increase as the aircraft comes closer or as the landing lights remain pointed towards the observer. Then, when the viewing angle changes, the aircraft’s sideways motion becomes obvious and the witness experiences a sudden shift from “stationary light” to “fast object”.

Aircraft lighting reinforces the illusion. Landing lights are designed to be powerful and forward-facing; aircraft also carry other exterior lights, including navigation and anti-collision lights, which can be seen differently depending on angle, distance and atmospheric conditions. Aviation explainers aimed at pilots and the public commonly separate landing, navigation, beacon and strobe lights because they serve different purposes and can present very different visual signatures from the ground.[Pilot Institute]pilotinstitute.comPilot Institute Airplane Lights: What Each Light Does (Red/Green, Strobe,Pilot Institute Airplane Lights: What Each Light Does (Red/Green, Strobe,

In Athis-Mons, this optical problem is intensified by Orly’s proximity. Public airport material places the airport close to Athis-Mons, and the local Maison de l’Environnement et des Territoires for Paris-Orly is itself located in Athis-Mons as an information and exchange point for residents.[mairie-athis-mons.fr+2Orly Paris]mairie-athis-mons.frOpen source on mairie-athis-mons.fr.

The result is a classic “near-airport UFO” pattern:<div class="content-enhancement content-enhancement--insight-grid" markdown="1">

A bright light appears almost fixed because the aircraft is moving mostly towards or away from the observer, not across the observer’s view.
The object seems unusually intense because landing lights can dominate the visual impression and hide the aircraft body.
The motion suddenly changes when the aircraft’s angle, turn, descent, or the observer’s own position makes lateral movement visible.
The witness may report a sphere or ball because the aircraft’s structure is not visible and the light source becomes the whole perceived object.
The report can still be sincere because the perception is real, even if the object is later judged ordinary.</div>

This is why Athis-Mons should not be treated simply as a place with “UFO sightings” or as a place where “everything is explained”. It is a place where the airport environment is part of the evidence. Athis Mons illustration 2

What the two cases say when read together

The 1980 and 2016 cases are not equivalent. The 1980 case is more sensational but less usable. The 2016 case is less dramatic but more instructive. One is a thinly documented C case involving a black cylinder and sudden acceleration; the other is a B case where GEIPAN gives a specific, plausible mechanism: an approaching aircraft at Orly, seen nearly along its flight path.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

Read together, they form a useful local lesson for Essonne. The department’s UFO record is not only a list of unexplained stories; it is also a record of how explanations are built or blocked. In the 1980 case, the lack of usable data prevents serious reconstruction. In the 2016 case, the same broad setting — Athis-Mons under the influence of Orly traffic — becomes an explanatory tool because the circumstances are detailed enough to test against aviation geometry.

This also shows why GEIPAN classifications should be read carefully. A case C can look more mysterious to the public than a case B, but that is sometimes because it is less documented, not because it is more robust. GEIPAN’s own classification scheme makes this difference explicit: B is probably identified after investigation; C is not identified because of insufficient data; D is still unidentified after investigation.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

For a reader trying to understand Athis-Mons, the most balanced assessment is this: the 1980 cylinder remains an unresolved report only in the limited sense that too little reliable information was gathered, while the 2016 RN7 light is a strong example of how aircraft on approach to Orly can generate a UFO-like experience.

The Orly aircraft question in Essonne’s UFO history

Athis-Mons gives Essonne a distinctive aviation-linked subtheme. Many departments have rural lights, balloon reports, astronomical misidentifications or old gendarmerie files. Essonne has those too, but Athis-Mons adds the special problem of a major airport sitting close to everyday observation points: roads, shopping areas, homes, hotels and local public facilities. Paris-Orly remains a major airport in the Paris region, with passenger services and complex runway, lighting and air-traffic infrastructure; that means unusual sky impressions around Athis-Mons are not rare by default. Paris Aéroport+2Ministères Écologie et Territoire[parisaeroport.fr]parisaeroport.frParis Aéroport Welcome to Orly airport (ORYParis Aéroport Welcome to Orly airport (ORY

The Orly connection also gives investigators a practical checklist. For any Athis-Mons UFO report, the first questions should include time, exact location, direction of view, whether the witness was moving, weather, visibility, aircraft approach direction, runway use, whether landing lights were likely facing the observer, and whether radar or flight-tracking data can be checked. If those details are missing, the case may remain interesting but fragile, as in 1980. If they are present, a probable aircraft explanation may become strong, as in 2016.

This does not erase the human side of the reports. A bright object seen unexpectedly over a road near dusk, or a black form seen overhead by someone used to aircraft, can genuinely unsettle a witness. The lesson of Athis-Mons is not that people mistake everything. It is that a town beside Orly is a natural laboratory for the gap between what the eye experiences and what the sky is actually doing.

A balanced reading of Athis-Mons

The strongest conclusion is modest but valuable. Athis-Mons is not a landmark UFO mystery in Essonne because it proves an extraordinary object was present. It is important because it shows how a local setting can shape UFO testimony. The 1980 black cylinder remains poorly evidenced and cannot support a strong claim. The 2016 RN7 case, by contrast, shows how an aircraft on approach to Orly can appear as a bright stationary ball before seeming to move abruptly.[cnes-geipan.fr]cnes-geipan.frOpen source on cnes-geipan.fr.

That makes Athis-Mons one of the most useful Essonne pages for readers who want to understand the mechanism behind sightings rather than just collect strange anecdotes. Its lesson is simple: near Orly, the sky is full of real aircraft, and real aircraft can sometimes look nothing like aircraft. Athis Mons 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 When Orly Aircraft Look Like UFOs. 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">Explains classification and investigation approaches relevant to reported sightings.</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">Provides context for evaluating aviation-related UFO reports and witness testimony.</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">NightWatch</h4><p class="fr-book-author">By Terence Dickinson</p><p class="fr-book-desc">Helps readers understand how lights and objects appear in the night sky.</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">Stick and Rudder</h4><p class="fr-book-author">By Wolfgang Langewiesche, Leighton Holden Collins</p><p class="fr-book-desc">Improves understanding of aircraft behavior and visual perception in flight.</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 NightWatch</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">Air Europe Boeing 757 Model No 9 Wooster 1989 Model Aircraft</h4>SearcheBay.co.uk: aircraft model<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">New 3D Printed - 1:500 Airport Private Jet Terminal - aircraft diorama model.</h4>SearcheBay.co.uk: aircraft model<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">Antonov An-225 Mriya Ukraine Cargo Aircraft Model Plane 1:200</h4>SearcheBay.co.uk: aircraft model<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">20cm A330 Airbus Beluga With Wheels Metal Aircraft Plane Model Gift</h4>SearcheBay.co.uk: aircraft model<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-geipan.fr
Link:https://cnes-geipan.fr/fr/cas/1980-09-00802

2. Source: cnes-geipan.fr
Link:https://cnes-geipan.fr/fr/cas/2016-07-09506?field_date_value=2020-11-18&field_is_new_value=1&order=title&page=0&sort=asc

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

4. Source: geipan.fr
Link:https://www.geipan.fr/en/node/48697

5. Source: mairie-athis-mons.fr
Link:https://www.mairie-athis-mons.fr/annuaire/maison-de-lenvironnement-et-du-developpement-durable-de-laeroport-de-paris-orly-medd/

6. 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

7. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/sites/default/files/PV%20n%C2%B0952%20%281990307284%29.pdf

8. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/sites/default/files/Questionnaire%20technique-R64.pdf

9. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/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_date&page=%2C8&sort=desc&undefined=

10. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/recherche/cas?field_agregation_index_value=avion&field_is_new_value=All&field_is_revisited_value=All&field_type_de_cas_target_id=All&order=field_date&page=%2C47&sort=asc

11. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/recherche/cas/tab?field_agregation_index_value=&field_classification_des_cas_target_id%5B12%5D=12&field_classification_des_cas_target_id%5B13%5D=13&field_classification_des_cas_target_id%5B14%5D=14&field_classification_des_cas_target_id%5B15%5D=15&field_classification_des_cas_target_id%5B16%5D=16&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=1&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=28%2C23&select-category-export=nothing&sort=asc&video=on

12. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/cas/1980-09-00802?field_agregation_index_value=&field_classification_des_cas_target_id%5B13%5D=13&field_classification_des_cas_target_id%5B14%5D=14&field_classification_des_cas_target_id%5B15%5D=15&field_classification_des_cas_target_id%5B16%5D=16&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=1&field_is_new_value=All&field_is_revisited_value=All&field_latitude_value%5Bmax%5D=57.70414723434193&field_latitude_value%5Bmin%5D=19.642587534013032&field_longitude_value%5Bmax%5D=49.921875&field_longitude_value%5Bmin%5D=-9.843750000000002&field_phenomene_target_id=&field_type_de_cas_target_id=All&order=field_departement_textuel&page=13%2C24&select-category-export=nothing&sort=asc&video=on

13. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/recherche/cas/tab?field_agregation_index_value=&field_classification_des_cas_target_id%5B0%5D=13&field_classification_des_cas_target_id%5B1%5D=14&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=14&select-category-export=nothing&sort=asc

14. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/fr/recherche/cas/tab?field_agregation_index_value=&field_classification_des_cas_target_id%5B12%5D=12&field_classification_des_cas_target_id%5B13%5D=13&field_classification_des_cas_target_id%5B14%5D=14&field_classification_des_cas_target_id%5B15%5D=15&field_classification_des_cas_target_id%5B16%5D=16&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=1&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=88%2C7&select-category-export=nothing&sort=desc&video=on

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

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

17. Source: cnes-geipan.fr
Title: Statistics Probably identified phenomenon
Link:https://www.cnes-geipan.fr/en/stats

18. 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

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

20. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/histoire-du-geipan

21. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/en/node/60814

22. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/sites/default/files/Aids_to_identification_of_flying_objects_0.pdf

23. Source: cnes-geipan.fr
Link:https://www.cnes-geipan.fr/sites/default/files/15_VALLEE_full.pdf

24. Source: geipan.fr
Link:https://geipan.fr/fr/temoignage/9035

25. Source: geipan.fr
Link:https://www.geipan.fr/en/node/55742

26. Source: geipan.fr
Link:https://www.geipan.fr/fr/recherche/cas/tab?field_classification_des_cas_target_id%5B0%5D=12&page=10%2C37

27. Source: geipan.fr
Link:https://www.geipan.fr/en/recherche/cas/tab?field_agregation_index_value=&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_date_value=2023-07-06&field_departement_target_id=&field_document_existe_ou_pas_value=All&field_is_new_value=1&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=12&sort=desc

28. Source: geipan.fr
Link:https://www.geipan.fr/fr/recherche/cas/tab?field_agregation_index_value=&field_classification_des_cas_target_id%5B0%5D=13&field_classification_des_cas_target_id%5B1%5D=14&field_date_d_observation_value%5Bmax%5D=&field_date_d_observation_value%5Bmin%5D=&field_departement_target_id=&field_document_existe_ou_pas_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&page=43&select-category-export=nothing&sort=desc

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

30. 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>

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

<summary>Source snippet</summary><p>GEIPAN: Everything You Need to Know About UFOs and Aerial Phenomena…</p>

32. Source: youtube.com
Title: GEIPAN: Everything You Need to Know About UFOs and Aerial Phenomena
Link:https://www.youtube.com/watch?v=K-dgmfIOYBE

<summary>Source snippet</summary><p>Aircraft lights | They're not UFOs…</p>

33. Source: youtube.com
Title: Aircraft lights | They’re not UFOs
Link:https://www.youtube.com/watch?v=0M1J9qQX1TQ

<summary>Source snippet</summary><p>UFOs, drones, mystery sightings: What government reports, NASA, and investigators say…</p>

34. Source: youtube.com
Link:https://www.youtube.com/watch?v=jZHy9ASOj8w

<summary>Source snippet</summary><p>GEIPAN UFO OVNI: un ancien du GEIPAN et du MUFON parle enfin…</p>

35. Source: parisaeroport.fr
Title: Paris Aéroport Welcome to Orly airport (ORY)
Link:https://www.parisaeroport.fr/en/passengers/orly-airport

36. Source: ecologie.gouv.fr
Title: ORLY EN
Link:https://www.ecologie.gouv.fr/sites/default/files/documents/ORLY_EN.pdf

37. Source: sia.aviation-civile.gouv.fr
Link:https://www.sia.aviation-civile.gouv.fr/media/dvd/eAIP_11_JUN_2026/Atlas-VAC/PDF_AIPparSSection/VACH/AD/AD-3.LFPO.pdf

38. Source: pilotinstitute.com
Title: Pilot Institute Airplane Lights: What Each Light Does (Red/Green, Strobe,
Link:https://pilotinstitute.com/airplane-lights/

39. Source: orlyparis.com
Link:https://orlyparis.com/wp-content/uploads/2023/01/PLAN_Maison-de-lEnvironnement-et-du-Developpement-durable-de-laeroport-Paris-Orly.pdf

40. Source: sia.aviation-civile.gouv.fr
Title: aviation-civile.gouv.fr SI A Aviation Civile
Link:https://www.sia.aviation-civile.gouv.fr/pub/media/store/documents/file/l/f/lf_sup_2019_280_fr.pdf

41. Source: sia.aviation-civile.gouv.fr
Title: aviation-civile.gouv.fr AI P for FRANCE
Link:https://www.sia.aviation-civile.gouv.fr/documents/download/f/d/15053888/

42. Source: rr0.org
Link:https://rr0.org/org/eu/fr/cnes/geipan

43. Source: aria.developpement-durable.gouv.fr
Link:https://www.aria.developpement-durable.gouv.fr/wp-content/uploads/2020/06/Annexe-synthese-fortes-chaleurs.pdf

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

45. Source: prefectures-regions.gouv.fr
Title: recueil 75 2020 196 recueil des actes administratifs special du 25 06 2020
Link:https://www.prefectures-regions.gouv.fr/content/download/70405/457404/file/recueil-75-2020-196-recueil-des-actes-administratifs-special%20du%2025%2006%202020.pdf