Disclosed

Belgian triangle wave

Date
29 Nov 1989
Place
Eupen and eastern Belgium (F-16 scramble from Beauvechain, 30-31 March 1990)
Record
Curated case
Assessment
Contested
Evidence strength
467 case pages by decade; this one falls in 1980s with 22 othersAll cases

What was reported

From 29 November 1989 in Eupen, gendarmes and hundreds of residents reported large, slow, silent triangles with lights at the corners, many reports made days later after media coverage. On 30-31 March 1990 ground radar tracked an object and two F-16s were scrambled; they obtained several brief radar locks but no visual contact, and a later analysis attributed the contacts, other than those on each other, to atmospheric interference (Bragg scattering). The best-known photograph, taken at Petit-Rechain in April 1990, was admitted in 2011 to be a painted polystyrene model with lights. The Air Force, gendarmerie and the civilian group SOBEPS cooperated openly, and some ground reports remain unidentified.

What officials concluded

Tentative explanation

Belgian Air Force: F-16 radar contacts were atmospheric interference; ground sightings not identified

Strongest ordinary reading

Social contagion around aircraft, helicopters and stars; radar artifacts; the iconic photograph a hoax

Evidence profile

Sensors4 of 9
  • Yes: Visual
  • No: Infrared
  • Yes: Radar
  • Yes: Video
  • Yes: Photo
  • No: Film
  • No: Audio
  • No: Night vision
  • No: Other sensor
Witnessescount not stated
  • Yes: Civilian
  • Yes: Military aircrew
  • No: Military ground
  • No: Airline crew
  • Yes: Sensor operator
  • Yes: Law enforcement
  • No: Scientist
  • No: Astronaut
  • No: Intelligence official
  • No: Other
ShapeTriangle
  • No: Light only
  • No: Orb or sphere
  • No: Disc
  • Yes: Triangle
  • No: Cylinder
  • No: Cube
  • No: Other shape
Effects1 reported
  • No: Physiological
  • No: Physical trace
  • No: Electromagnetic
  • No: Sound
  • Yes: Silent

Pentagon files

1
  • Document255_413270_UFO's_and_Defense_What_Should_we_Prepare_ForRelease 1

    UFOs and Defense: What Should We Prepare For? (the COMETA report), with April 2001 Carol Rosin cover letter and handwritten notes

    This is not a NASA-authored document: it is a 2001 cover letter and handwritten notes from Carol Rosin (self-described former spokesperson for Wernher von Braun) forwarding the 1999 French COMETA report 'UFOs and Defense: What Should We Prepare For?' to a NASA official, apparently seeking a meeting. COMETA was an independent association of former auditors of the French defense-studies institute IHEDN, not a French government body. The report reviews French pilot testimonies, five foreign radar/visual aeronautical cases (Lakenheath-Bentwaters, RB-47, Tehran 1976, a Russian missile-base case, Belgium), several French ground cases investigated by GEPAN/SEPRA (Trans-en-Provence, the 'Amaranth' case, a 1979 close encounter with reported humanoid figures), and recommends French and EU government action, stating the extraterrestrial hypothesis 'cannot be ruled out.'

    Open the original on war.gov

Videos that discuss it

1

Claims and verdicts

1
  • Unverified1:32:05Leslie KeanOfficial document

    During the 1989-90 Belgian UFO wave, the Belgian Air Force, Gendarmerie, and scientific community openly and jointly investigated for roughly six months, including sending F-16 jets to intercept the objects and collecting extensive witness and data documentation, but never identified the objects.

    The Air Force was actually sending up jets to try to get close to the objects and see what they were... they never figured it out.

    Said in The Reality of UFOs UAP with Leslie Kean

Outside sources

On the map

50.63° N, 6.03° E, plotted at the centre of the region named in the record

Show on the map