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Historical caseStructured for retrospective review and comparison against modern sightings.

The Night an Army Helicopter Encountered Something Unknown

Unknown4 witnessesNamed sourcesOct 18, 1973, 12:00 AMOhio

Witnesses

4 witnesses

Duration

Unknown

Source material

2

Timeline

2

Source context

Limited context

59

Interesting, but still missing stronger corroboration or harder source material.

Source provenance

r/UFOs

Live sighting record 2b4c54b1-63ad-44b5-978a-7cd127ed1a16.

Using the selected case's real source, media, and context throughout the workspace.

Correlations

Field Intelligence

Moon phase

65% illumination

Last quarter — moderate moon brightness

Solar window

Sunrise7:45 AM
Sunset6:48 PM
Day length11h 03m

Weather

Open-Meteo
ConditionsOvercast
Temperature48°F
Cloud cover100% · Overcast
Wind6 mph

Area activity

Within 2 daysNo sightings within 60 mi

Meteor activity

Active showerOrionids · 20 ZHR
Peak windowOct 21

Context notes

Orionids meteor shower was active at this time

Heavy cloud cover (100%) — limited visibility

Extracted details

Observed facts

Occurred

Oct 18, 1973, 12:00 AM

Timezone

Eastern Time

Location

Ohio

Observers

4 witnesses

Witness account

Narrative

On October 18, 1973, an Army helicopter carrying four men was flying over Ohio when crew chief John Yanacsek noticed a red light on the horizon. Captain Lawrence Coyne initially believed it might be another aircraft, but the light began approaching at a speed that made a collision seem imminent. Coyne took the controls and began descending, eventually increasing the descent rate to approximately 2,000 feet per minute. As the object closed in, three crew members described seeing a large, gray,...

Case progression

Timeline

Encounter windowOct 18, 1973, 12:00 AM

Witnesses place the encounter near Ohio.

PublishedNov 9, 2026, 1:44 AM

r/UFOs carried the report into the source network.

Ledger

Source material

source

Original report

Open

Direct source material from r/UFOs.

telemetry

Environmental pass

Historical atmosphere, astronomy, and nearby infrastructure were resolved for this case.