The case record
What was reported?
Large triangular light formations were reported across Belgium; F-16s were scrambled during the wave.
The dates are bounds supplied by the workbook; they do not establish the exact day of an event.
- Reported date
- 29 Nov 1989 – 30 Apr 1990
- Witnesses
- Residents / police / military pilots · Thousands
- Investigation
- Belgian Air Force
Evidence in the record
Eyewitness; radar; photographs
Competing explanations
Official and research context
No single cause identified
Conventional explanations
Misidentifications, aircraft and social contagion; famous Petit-Rechain photo later admitted hoax
Arguments that remain contested
Wave contains many heterogeneous events
Locations & timeline
Coordinates are representative. Area and route labels do not imply exact paths or object positions.
- Primary reference location
Eastern and central Belgium
Eupen
Reported event location · Approximate area radius: 120 km
50.629°, 6.031° · multipoint · Medium - Linked location
Eupen
Eupen, Belgium
Early Belgian wave cluster · Approximate area radius: 10 km
50.629°, 6.034° · area · High
Record notes
Create multiple city markers and F-16 intercept area.
Imported starting record; individual claims and source links await editorial verification.
Original dataset status: Partially explained / disputed