Phenomenon type
Triangle / delta shape
Triangle or delta shapes. Belgian Wave 1989-1990, Phoenix Lights 1997, Hudson Valley 1983-1986.
3 cases in the archive
- DoD · 1997-03-13 · contestedPhoenix Lights
Mass-witness sighting of a series of lights, and a separately reported large V-shaped craft, observed across Arizona during a roughly three-hour window on the evening of March 13, 1997.
- OTHER · 1990-03-30 · contestedBelgian F-16 Intercept
Two Belgian Air Force F-16s were scrambled to intercept multiple radar contacts coinciding with widespread ground reports of triangular craft. Onboard radar locks were briefly achieved but the aircraft did not establish ...
- OTHER · 1983-03-24 · contestedHudson Valley Boomerang Formations
Over a roughly three-year period beginning in March 1983, thousands of witnesses across the Hudson Valley region of New York and Connecticut reported observing large boomerang- or V-shaped formations of slow-moving light...