| Country | United States |
| State or Province | Illinois |
| City | Near Chicago |
| Date | Fall, 1967 (Exact Date Not Specified) |
| Time | Evening at Twilight (Exact Time Not Specified) |
| Weather | Overcast, Drizzly |
| Duration | Not Specified |
| Witnesses (Number) | 1 (Aunt) |
| Distance | Not Specified |
| Solid Object | Yes |
| Size | As big as a block of houses |
| Shape | Triangle |
| Shape Details | Large, stretched over the area |
| Metallic/Shiny | Not Specified |
| Color | Black |
| Glow/Halo | Not Specified |
| Lights | Yes |
| How Many Lights | Multiple, at the corners and in a ring in the center |
| How Bright | Not Specified |
| Light Coloration | Not Specified |
| Sound | Not Specified |
| Motion/Speed | Very fast, described as shooting away into the clouds |
| Number of Objects | 1 |
| Coordination/Communication | Not Specified |
| Windows | Not Specified |
| Occupants | Not Specified |
| Description | In the fall of 1967, near Chicago, Illinois, the narrator’s aunt witnessed a large, black, triangle-shaped UFO while walking her dog on an overcast, drizzly evening. Initially mistaking the object’s lights for holiday decorations, she realized its true nature when the lights remained visible beyond a nearby water tower’s location. This sighting, which included the object shooting away at incredible speed, deeply affected her, leading to a lifelong fear and avoidance of the topic. The involvement of the Air Force, who failed to provide explanations despite similar reports from the area, added to the mystery. The aunt’s detailed description of the UFO as a black triangle, a shape not commonly associated with UFOs until decades later, is notable as it represents a very early observation of what is now a commonly reported UAP variety from more recent decades. |
| Nearby Landmarks | Railroad line, Water tower |
| Latitude | 41.8781 (for Chicago, Illinois) |
| Longitude | -87.6298 (for Chicago, Illinois) |
| Altitude | Not Specified |
| Propulsion | Not Specified |
| Advanced Capabilities | Fast movement, ability to disappear quickly |
| Visible Payload | Not Specified |
| Radar | Not Specified |
| Signatures | Not Specified |
| Awareness | Not Specified |
| Aggression | Not Specified |
| Health Effects | Psychological impact (fear, avoidance) |
| Physical/Environmental Effects | Not Specified |
| Animal Disturbance | Not Specified |
| Witness Feelings | Initially curious, later terrified |
| Witness Assessment | Believed to be an unexplained, true event |
| Additional Info | Not Specified |
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