THE UAP MAP
Military · 1973

Coyne Helicopter Incident
Documented report. Unresolved object.

On October 18, 1973, a U.S.

1973Mansfield, Ohio, USAEvidence-led case fileMilitary
UH-1 Huey helicopter
CATEGORY CONTEXT, NOT INCIDENT PHOTOGRAPH. US Army Huey helicopter, used as aircraft-type context only.
01 / why this case matters

Why This Case Matters

This case matters because it is a documented military event whose object identity remains unresolved.

02 / the case

What is documented.

Documented

On October 18, 1973, a U.S.

03 / what is debated

What remains contested.

Debated

The identity of the object

Debated

The adequacy of the conventional explanation

04 / what remains unverified

Beyond the record.

Unverified

Extraterrestrial origin

Unverified

Any claim stronger than the record supports

05 / what the record establishes

Keep the layers apart.

Record element
What it supports
What it does not settle
Witness report
A documented report exists.
The objective identity of the object.
Official investigation
That the case was investigated where documented.
That an extraordinary cause was proven.
Conventional reading
That a conventional explanation exists where documented.
That the conventional explanation closes the case.
06 / source room

Follow the paperwork.
Keep the claims apart.

Sources are kept in separate layers: official and contemporary material is documented; secondary UFO literature is treated as debated, not as primary evidence.

governmentProject Blue Book files (1973)

Documented source.

witnessCaptain Lawrence Coyne testimony

Documented source.

governmentDr. J. Allen Hynek investigation

Documented source.

secondaryWikipedia: 1973 Coyne helicopter UFO incident

Secondary / debated material.

Related caseLemos FerreiraReturnThe UAP Map