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◆ CASE FILEThe facts, corroborated

The Coyne Helicopter Encounter

On 18 October 1973 four US Army reservists flying near Mansfield, Ohio reported a cigar-shaped object closing on a collision course, a green beam that filled the cabin, and a climb they could not account for. A family in a car below reported seeing it too. This is the record of what the crew and the ground witnesses described, not a verdict on what was over Ohio.

◆ THE SHORT VERSION

  • The Coyne Helicopter Encounter is a reported UAP case near Mansfield, Ohio, 18 October 1973.
  • Four US Army reservists flying a helicopter near Mansfield, Ohio, on 18 October 1973 said their aircraft was pulled up from 1,700 feet to between 3,700 and nearly 3,800 while the controls were set for a dive.
  • The 1973 Coyne helicopter crew described a cigar-shaped, domed metallic object that closed on a collision course, stopped above them and put a green cone-shaped beam into the cabin.
  • During the 1973 Coyne helicopter encounter the radio is said to have failed and the compass to have malfunctioned, though the instruments tested normal afterwards.
  • A family of five in a car on the road below said they watched the same object as the Army helicopter crew near Mansfield, Ohio, in 1973.
  • For this case Fractured Realities holds 6 distinct sources and 5 distinct claimants on its resolved list.
  • The archive grades it L3 · MULTI-SOURCE — multiple independent sources attest to it.

Counts are resolved totals of what sources say, computed 2026-10-03; the reported details above are claims in the record, not findings. A record of reports, not a verdict on what happened.

The Coyne Helicopter Encounter
AI reconstruction · not evidence · built from the case record
EVENT DATE
18 October 1973
LOCATION
near Mansfield, Ohio · USA
COORDS
40.76°N 82.52°W
INDEPENDENCE
L3 · MULTI-SOURCE
SOURCES
6 distinct
CLAIMANTS
5
STATUS
Multi-source testimony
NUMBERS COMPUTED 2026-10-03 · RESOLVED COUNTS, NOT A VERDICT
VIEW ON ATLAS →

With the controls set for a dive, the helicopter went up. The crew were flying at night near Mansfield when a red light appeared and closed rapidly on the aircraft. Lawrence Coyne put the helicopter into a dive to avoid the collision. The accounts describe a cigar-shaped domed metallic object that came to a stop above them and paced the aircraft, then put a green cone-shaped beam down from its undercarriage into the cabin. The helicopter rose from 1,700 feet to somewhere between 3,700 and nearly 3,800 with the controls still set for descent. One telling adds that power was cut and that the close-range observation lasted about two minutes. Radio transmissions failed during the encounter and the compass malfunctioned. The instruments tested normal afterwards. A family of five in a car on the road below reported watching the same object.

What is on the record

The archive resolves five claimants from six videos on a single reporting channel. Four are the crewmen. Lawrence Coyne is listed as Colonel Coyne, though another telling calls him Major Coyne. Robert Yanacsek is listed as Robert Janacek. John Healy and Arrigo Jezzi complete the crew. The fifth is the one separate group of observers, the DeLong family on the ground, who are named collectively rather than individually.

No documents sit in this file. There is no incident report, no radar trace and no maintenance record for the instrument failures, which is a serious absence for a military aircraft encounter. The climb against the controls is the load-bearing detail and it survives only as testimony.

Why it sits where it does

The case grades L3, the archive's independent-witness tier, on testimony from a crew and a ground party describing one connected event. It does not climb to L4 because no government paperwork is attached to it here. All six tellings come from one channel, and that concentration reflects how thinly the archive has indexed this case rather than how widely it was reported. What paced the helicopter is not resolved here.

◆ CORROBORATION
✓6 independent video sources across 1 channel
✓5 resolved claimants
◆ SOURCES

Everything this file draws on, in the open — reports, not reality. Check us.

Watch — the tellings

Each plays the source video — right here, cued to the exact moment this case is covered.

MILITARY WITNESSBEAM OF LIGHT1973USA

CASE FILES STATE THE RECORD AS OUR ARCHIVE HOLDS IT — FACTS, NOT OPINION. REPORTS, NOT REALITY.

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The Coyne Helicopter Encounter — Case File · Fractured Realities