O'HARE AIRPORT DISC (2006 REPORT)

Case-specific gray disc/oval reported hovering beneath the cloud deck at Chicago O’Hare Airport in 2006 before a rapid angled ascent. Multiple witnesses also reported a sharp-edged circular opening in the cloud layer after departure.

ANOMALY REFERENCE PICTOGRAM

REFERENCE ONLY — NOT WITNESS ARTWORK

Claims are grouped by attribute so differing descriptions, measurements, and interpretations can be compared without averaging them into a single “fact.”

SOURCE COMPARISON

Reported Craft Appearance

HOW TO READ THIS →

CLAIM-137126reported

“The entry summarizes the object as a gray disc some tens of feet in diameter, thicker than a Frisbee, hovering below the O’Hare cloud deck.”

The UFO Encyclopedia, 3rd Edition: The Phenomenon from the Beginning

SRC-002099 · “O’Hare Airport Sighting” → “Entry overview”, PDF p. 2028

SUPPORTS

CLAIM-137128reported

“A ramp worker described a round, silent object apparently rotating under the clouds; the cockpit crew also reportedly watched it.”

The UFO Encyclopedia, 3rd Edition: The Phenomenon from the Beginning

SRC-002099 · “O’Hare Airport Sighting” → “Gate C-17 observation”, PDF p. 2028

SUPPORTS

CLAIM-137130reported

“Witness descriptions included dirty aluminum, dark gray, metallic/elliptical, and a dark-gray-underneath/opalescent side appearance.”

The UFO Encyclopedia, 3rd Edition: The Phenomenon from the Beginning

SRC-002099 · “O’Hare Airport Sighting” → “Surface/color”, PDF pp. 2028–2029

SUPPORTS

CLAIM-137131reported

“One witness described rounded edges and a thickness-to-diameter ratio of roughly 1:3, with possible counterclockwise rotation and slight wobble.”

The UFO Encyclopedia, 3rd Edition: The Phenomenon from the Beginning

SRC-002099 · “O’Hare Airport Sighting” → “Detailed morphology”, PDF p. 2029

SUPPORTS

Multiple claim rows are intentionally retained when sources disagree. ANOMALY does not silently reconcile competing values.

SOURCE COMPARISON

Reported Craft Behavior

HOW TO READ THIS →

CLAIM-137127reported

“The object reportedly hovered beneath the cloud layer for at least about 15 minutes before a sudden ascent.”

The UFO Encyclopedia, 3rd Edition: The Phenomenon from the Beginning

SRC-002099 · “O’Hare Airport Sighting” → “Hover and departure”, PDF pp. 2028–2029

SUPPORTS

CLAIM-137133reported

“Witnesses said the object sprang into the clouds without a visible buildup of speed, on a slightly eastward-angled ascent rather than a straight vertical climb.”

The UFO Encyclopedia, 3rd Edition: The Phenomenon from the Beginning

SRC-002099 · “O’Hare Airport Sighting” → “Departure”, PDF p. 2029

SUPPORTS

CLAIM-137134reported

“Multiple witnesses reported a sharply bounded circular hole in the cloud deck, about the apparent diameter of the disc, remaining open for several minutes after departure.”

The UFO Encyclopedia, 3rd Edition: The Phenomenon from the Beginning

SRC-002099 · “O’Hare Airport Sighting” → “Cloud-hole report”, PDF pp. 2029–2032

SUPPORTS

CLAIM-137135reported

“Clark concludes that no convincing conventional solution resolves the sighting, while emphasizing that the evidence remains primarily eyewitness testimony and that radar/photographic support is inconclusive.”

The UFO Encyclopedia, 3rd Edition: The Phenomenon from the Beginning

SRC-002099 · “O’Hare Airport Sighting” → “Evidence assessment”, PDF pp. 2032–2034

SUPPORTS

Multiple claim rows are intentionally retained when sources disagree. ANOMALY does not silently reconcile competing values.

SOURCE COMPARISON