File 046 · 1989–1990
Belgian triangle wave
Eupen to Wavre, Belgium, Belgium · Region, not street
Opened 9/4/2026
Ledger illustration of the file — not a photograph of the object. Ledger illustration of the report. A low-country night under overcast. — Night Ledger illustration of the file
Standing
Unidentified
On the public record, and still open. A claim, paper, or film — not a finding that it was ours, and not a finding that it was not.
What was claimed
Thousands of people, including gendarmes, reported large silent triangles. F-16s were scrambled. A famous photograph later became disputed.
What is on the record
This file is a working record — a report, not a verdict. Official paper, if any, is linked where we have it.
On the night of 29 November 1989 two gendarmes at Eupen watched a large, silent, triangular platform with lights beneath, moving slowly, then accelerating away. Over the next months the Belgian Society for the Study of Space Phenomena logged thousands of reports. On 30 March 1990 F-16s of the Belgian Air Force were scrambled after ground radar and a gendarme reported a target; the fighters’ radars briefly locked, then lost it. The official report describes lock-ons that behaved unlike known aircraft.
A photograph taken at Petit-Rechain, often used as the face of the wave, was later described by the photographer as a staged image. The gendarme reports and the F-16 radar tape do not depend on that picture.
The wave is a mass of written statements plus a military radar event. The photograph that went around the world is no longer the evidence.
Could this have been ours?
The known sky, that night.
Satellites were already up. The station was not. Starlink was not.
Always
Aircraft, balloons, meteors
Landing lights, flares, lanterns, reentries, fireballs. They are on the known sky. They do not close a file by themselves — they are what a serious look has to hold the claim against.
Orbit · Space — the desks for lights that are already named.
Sources
Related files
Same craft, same place, same years. A neighbor in the catalogue — not a conclusion.
Same craft · Nearby · Same years · March 30–31, 1990
Belgian UFO Wave F-16 Radar Chase
Wavre / Eupen area · Belgium
Unidentified
Multiple triangular objects with bright lights reported by thousands; Belgian Air Force F-16s achieved radar lock and recorded extraordinary performance including rapid acceleration and descent. Officially investigated with no conventional explanation.
Same craft · September 4, 2026, evening
Multi-colored triangular UAPs performing impossible maneuvers with military jets
Bench, Idaho (Caribou County) · USA
Unidentified
Two witnesses, one a former soldier, observed three triangular multi-colored UAPs making multiple U-turns and physically impossible maneuvers. Military jets were heard chasing or responding to the objects. First-person NUFORC report.
Same craft · 4 September 2026, evening
Three triangles and jets, Caribou County
Bench, Caribou County, Idaho · United States
Unidentified
Two witnesses near Bench described three triangular objects making U-turns as military jets were heard in the same sky.
Same craft · August 23, 2026, ~10:01 PM BST
Triangular Formation of Three Lights over Wolverhampton, UK
Wolverhampton, West Midlands · UK
Unidentified
Two witnesses (mother and son) observed three points of light in a triangular formation moving slowly and smoothly across the western sky while maintaining relative positions. The mother began recording video shortly after noticing them.
Same craft · August 2026
Three lights in triangular formation, Wolverhampton
Wolverhampton, West Midlands · United Kingdom
Unidentified
Public posts described three white lights holding a rigid triangle over the town, silent, then gone.
Same craft · 13 August 2026
Black triangle over La Conner
La Conner, Washington · United States
Unidentified
Two people walking near the water described a silent black triangle with red lights at each corner, held for about ten minutes.