What Happened During Belgium's UFO Wave?
The Belgium radar/visual sightings of 1989–1990 are among the most investigated UFO cases in modern European history. The episode began in late 1989, when Belgian civilians, police officers, and other witnesses reported large triangular objects with lights flying at low altitude.
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Introduction
The central question is not whether unusual events were reported — they clearly were — but what those reports represent. Supporters of the case point to multiple witnesses, police involvement, military attention, and radar records. Critics argue that the evidence does not demonstrate the presence of an extraordinary aircraft and that several parts of the story, particularly the radar interpretations and photographic evidence, have been overstated.[UAPRAD]uaprad.orgBelgian UFO Wave | UAP Case Research | UAPRADBelgian UFO Wave | UAP Case Research | UAPRAD… The Belgian wave remains a notable example of how eyewitness testimony, sensor data, public attention, and uncertainty can combine into a lasting aviation mystery.
The 1989 sightings that started the Belgian wave
The first major reports appeared in November 1989, particularly around the region of Eupen in eastern Belgium. Witnesses described a large, dark triangular object with bright lights at its corners and, in many accounts, a red light in the centre. Some reports came from gendarmes (Belgian police officers), whose involvement gave the case unusual credibility in the eyes of many observers because they were trained to observe events in the field.[UAPRAD]uaprad.orgBelgian UFO Wave | UAP Case Research | UAPRADBelgian UFO Wave | UAP Case Research | UAPRAD…
The reports shared several recurring features:
- A triangular or boomerang-like shape.
- Three bright lights arranged around the edges.
- Slow movement at low altitude.
- Little or no apparent engine noise.
- The ability to hover or move unusually slowly according to witnesses.
Over the following months, reports spread across Belgium. Civilian investigators from the Belgian Society for the Study of Space Phenomena (SOBEPS) collected witness statements and worked alongside information provided by military authorities. The cooperation between a civilian UFO organisation and the Belgian Air Force was unusual and became one of the reasons the case attracted international attention.[uforeport.com]uforeport.comthe belgian waveTriangles Over Belgium: Europe’s Great UFO Mystery (1989-1990) - UFO ReportMarch 26, 2023…
The March 1990 F-16 interception
The most important event in the Belgian case occurred on the night of 30–31 March 1990. After reports of unusual lights from ground witnesses and gendarmes, Belgian authorities ordered two F-16 fighters to investigate. The incident involved the Control and Reporting Centre at Glons and other radar-related information, creating the impression of a rare radar-and-visual confirmation event.[Ufologie]ufologie.patrickgross.orgLes OVNIS vus de près: rapport du major Lambrechts de la Force Aérienne Belge…
According to accounts from the Belgian Air Force investigation, the pilots attempted several radar acquisitions of an unidentified target. The aircraft obtained intermittent radar contacts, but neither pilot visually confirmed an object matching the reports from the ground. The official material released about the incident described the radar information as unusual but did not conclude that an unknown advanced craft had been proven.[UAPRAD]uaprad.orgBelgian UFO Wave | UAP Case Research | UAPRADBelgian UFO Wave | UAP Case Research | UAPRAD…
The most frequently repeated claims about the encounter involve sudden changes in altitude and speed. Some UFO researchers have interpreted these radar readings as evidence of extraordinary manoeuvres, while later technical discussions have suggested that radar limitations, tracking errors, or signal-processing effects could produce misleading impressions of movement.[UFO Transparency]ufotransparency.comintl be salmon radar report rapport lt col salmon f16 radarUFO TransparencyLt. Col. Salmon F-16 Radar Trace Report, Night of 30–31 March 1990, Belgian Air Force (Force Aérienne Belge) · 1990 · UFO…
The key point is that the F-16 incident produced a genuine investigation and genuine uncertainty, but it did not produce a confirmed identification of a physical craft.
How strong was the evidence?
Witness testimony and police reports
The Belgian wave is stronger than many UFO cases because it involved a large number of independent reports, including some from police personnel. The consistency of descriptions — especially the triangular shape and light arrangement — is one reason the case continues to be discussed.[UAPRAD]uaprad.orgBelgian UFO Wave | UAP Case Research | UAPRADBelgian UFO Wave | UAP Case Research | UAPRAD…
However, witness agreement does not automatically prove that all observers saw the same unknown object. Large numbers of reports can also be affected by shared expectations, media coverage, and people interpreting ambiguous lights through the framework already established by earlier reports. Skeptical analyses have argued that some sightings may have involved ordinary aircraft, helicopters, stars, or other misidentified objects.[UAPRAD]uaprad.orgBelgian UFO Wave | UAP Case Research | UAPRADBelgian UFO Wave | UAP Case Research | UAPRAD…
Radar records
Radar evidence is often presented as the strongest part of the Belgian case. The F-16 intercept did involve military radar systems and aircraft attempting to investigate unidentified returns. However, radar data must be interpreted carefully: a radar contact is not automatically proof of a solid object, and unusual readings can result from technical limitations, atmospheric effects, or tracking problems.[UAPRAD]uaprad.orgBelgian UFO Wave | UAP Case Research | UAPRADBelgian UFO Wave | UAP Case Research | UAPRAD…
The later debate has focused less on whether radar activity occurred and more on what caused it. Supporters argue that the available data still leaves an unexplained remainder. Critics argue that the radar information has been misunderstood and that extraordinary flight characteristics were inferred from uncertain measurements.[UAPRAD]uaprad.orgBelgian UFO Wave | UAP Case Research | UAPRADBelgian UFO Wave | UAP Case Research | UAPRAD…
The Petit-Rechain photograph
The most famous image connected with the Belgian wave was the Petit-Rechain photograph, taken in April 1990 and widely circulated as a possible picture of a triangular UFO. For years it was regarded by many enthusiasts as the strongest visual evidence from the case.[VRT]vrt.beBelgian UFO picture was really a forgery | VRT NWS: newsBelgian UFO picture was really a forgery | VRT NWS: news…
In 2011, the photographer stated publicly that the image was a hoax created using a model. The admission significantly weakened the photographic evidence associated with the Belgian sightings, although it did not directly address the broader collection of eyewitness and radar reports.[VRT]vrt.beBelgian UFO picture was really a forgery | VRT NWS: newsBelgian UFO picture was really a forgery | VRT NWS: news…
Competing explanations
The Belgian wave has produced several competing interpretations.
One possibility is that the reports represented a mixture of unrelated events: conventional aircraft, helicopters, astronomical objects, unusual lighting conditions, and occasional misidentifications. This explanation fits the fact that the sightings occurred over many months and involved many different locations.[UAPRAD]uaprad.orgBelgian UFO Wave | UAP Case Research | UAPRADBelgian UFO Wave | UAP Case Research | UAPRAD…
Another interpretation is that some reports involved unusual but natural or technical phenomena that could not be identified at the time. Under this view, the case is an example of a genuine unknown rather than evidence of a specific extraordinary vehicle.[UAPRAD]uaprad.orgBelgian UFO Wave | UAP Case Research | UAPRADBelgian UFO Wave | UAP Case Research | UAPRAD…
A more extraordinary interpretation argues that the combination of witness reports, military involvement, and radar events points towards an advanced unidentified aircraft. However, the publicly available evidence does not establish who operated such a craft or demonstrate that it possessed capabilities beyond known technology.[UAPRAD]uaprad.orgBelgian UFO Wave | UAP Case Research | UAPRADBelgian UFO Wave | UAP Case Research | UAPRAD…
Why the Belgium case remains significant
The importance of the Belgian radar/visual sightings lies less in proving a particular explanation and more in the quality of the investigation surrounding them. Few UFO cases involved such extensive interaction between civilians, police, and a national air force. The episode shows both the value and the limits of evidence collection: many people can sincerely report something unusual, and authorities can investigate seriously, while the final identification may still remain uncertain.[UAPRAD]uaprad.orgBelgian UFO Wave | UAP Case Research | UAPRADBelgian UFO Wave | UAP Case Research | UAPRAD…
The lasting lesson of the Belgian wave is that “unidentified” is a description of a knowledge gap, not a confirmed explanation. The case remains one of the best-known examples of an unresolved aerial sighting event because it contains genuine documentation and credible witnesses, but also significant uncertainty about what was actually observed.
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Endnotes
1.
Source: uaprad.org
Title: Belgian UFO Wave | UAP Case Research | UAPRAD
Link:https://uaprad.org/cases/belgian-ufo-wave-1989-1990/
Source snippet
Belgian UFO Wave | UAP Case Research | UAPRAD...
2.
Source: vrt.be
Title: Belgian UFO picture was really a forgery | VRT NWS: news
Link:https://www.vrt.be/vrtnws/en/2011/07/27/belgian_ufo_picturewasreallyaforgery-1-1075881/
Source snippet
Belgian UFO picture was really a forgery | VRT NWS: news...
3.
Source: uforeport.com
Title: the belgian wave
Link:https://uforeport.com/the-belgian-wave/
Source snippet
Triangles Over Belgium: Europe’s Great UFO Mystery (1989-1990) - UFO ReportMarch 26, 2023...
Published: March 26, 2023
4.
Source: ufologie.patrickgross.org
Link:https://ufologie.patrickgross.org/htm/belrap01f.htm
Source snippet
Les OVNIS vus de près: rapport du major Lambrechts de la Force Aérienne Belge...
5.
Source: ufotransparency.com
Title: intl be salmon radar report rapport lt col salmon f16 radar 1990 03 31
Link:https://ufotransparency.com/files/intl-be-salmon-radar-report-rapport-lt-col-salmon-f16-radar
Source snippet
UFO TransparencyLt. Col. Salmon F-16 Radar Trace Report, Night of 30–31 March 1990, Belgian Air Force (Force Aérienne Belge) · 1990 · UFO...
Published: March 1990
6.
Source: wikidisc.org
Title: Belgian Wave | Wiki Disc
Link:https://www.wikidisc.org/wiki/Belgian_Wave
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Belgian Wave | WikiDiscJuly 1, 2026 — ^{[1]} At the same time, radar at a NATO tracking station detected an unknown object at the exact l...
Published: July 1, 2026
7.
Source: ufotransparency.com
Title: intl be sobeps vague ovni volume 1 sobeps vague ovni belge volume 1
Link:https://ufotransparency.com/files/intl-be-sobeps-vague-ovni-volume-1-sobeps-vague-ovni-belge-volume-1
8.
Source: ufotransparency.com
Title: intl be f16 radar charts 1990 f16radarnx1
Link:https://ufotransparency.com/files/intl-be-f16-radar-charts-1990-f16radarnx1
9.
Source: ufotransparency.com
Title: intl be f16 radar charts 1990 meessen f16 radar analysis belgium 1990
Link:https://ufotransparency.com/files/intl-be-f16-radar-charts-1990-meessen-f16-radar-analysis-belgium-1990
10.
Source: ufotransparency.com
Title: intl be f16 radar charts 1990 f16radarnx3
Link:https://ufotransparency.com/files/intl-be-f16-radar-charts-1990-f16radarnx3
11.
Source: ufotransparency.com
Title: intl be f16 radar charts 1990 f16radarnx2
Link:https://ufotransparency.com/files/intl-be-f16-radar-charts-1990-f16radarnx2
12.
Source: ufologie.patrickgross.org
Link:https://ufologie.patrickgross.org/htm/belrap02.htm
13.
Source: ufouap.com
Title: belgian ufo wave 1989 1990
Link:https://www.ufouap.com/articles/belgian-ufo-wave-1989-1990/
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Source: ufotransparency.com
Link:https://ufotransparency.com/international/files/be
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Source: ufologie.patrickgross.org
Link:https://www.ufologie.patrickgross.org/be/29nov1989eupenskepticsprinty.htm
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Source: ufologie.patrickgross.org
Link:https://ufologie.patrickgross.org/htm/belrap01.htm
17.
Source: ufologie.patrickgross.org
Link:https://ufologie.patrickgross.org/htm/beldoc01.htm
Additional References
18.
Source: theconspiratory.com
Title: Was the Belgian UFO wave real?
Link:https://theconspiratory.com/theory/belgian-ufo-wave
Source snippet
The evidenceJuly 8, 2026 — Case File No. 2926-M● Open File Theories/UFOs & Aliens·1980s-1990s THE 1989–1990 BELGIAN UFO WAVE WAS A FLEET...
Published: July 8, 2026
19.
Source: aliencouncil.com
Title: 00056 belgian wave 1989
Link:https://aliencouncil.com/cases/00056-belgian-wave-1989/
Source snippet
Belgian UFO wave — November 1989 to April 1990 · The CouncilJuly 14, 2026 — CASE #00056 · CASE OF RECORD BELGIAN UFO WAVE — NOVEMBER 1989...
Published: July 14, 2026
20.
Source: youtube.com
Title: This European UFO Was Spotted by Thousands of People | Belgian UFO Wave
Link:https://www.youtube.com/watch?v=SbQhrIRCs-c
Source snippet
Police officers confront the unexplained - UFOs, the fascinating story (8/9)...
21.
Source: youtube.com
Title: Police officers confront the unexplained
Link:https://www.youtube.com/watch?v=BUgjzQ7vpsg
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TR-3A Black Manta, TR-3B Astra - What are these black triangle UFOs?...
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Source: theufochronicles.com
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Source: ufofiles.app
Link:https://ufofiles.app/case-files/belgian-ufo-wave/
24.
Source: nowdeclassified.com
Link:https://www.nowdeclassified.com/incidents/belgian-ufo-wave-1990
25.
Source: ufo-forschung.de
Link:https://www.ufo-forschung.de/ufos-medien/ist-das-beruehmte-ufo-foto-aus-belgien-ein-schwindel
26.
Source: ufoevidence.com
Link:https://ufoevidence.com/case/the-belgian-ufo-wave/
27.
Source: monkeyandelf.com
Link:https://www.monkeyandelf.com/what-happened-during-the-wave-of-triangular-ufos-from-belgium/