THE UAP MAP
Encounter · 1973

Dionisio Llanca Encounter
Documented report. Unresolved object.

On October 28, 1973, Dionisio Llanca, a 25-year-old truck driver, was found injured and disoriented on a highway near Bahía Blanca, Argentina.

1973Bahía Blanca, Buenos Aires, ArgentinaEvidence-led case fileEncounter
Argentina rural landscape
CATEGORY CONTEXT, NOT INCIDENT PHOTOGRAPH. Argentina rural landscape, used as location context only.
01 / why this case matters

Why This Case Matters

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

02 / the case

What is documented.

Documented

On October 28, 1973, Dionisio Llanca, a 25-year-old truck driver, was found injured and disoriented on a highway near Bahía Blanca, Argentina.

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.

governmentDr. J. Allen Hynek investigation (1973)

Documented source.

governmentArgentine UFO research archives

Documented source.

secondaryBahía Blanca hospital records (1973)

Secondary / debated material.

secondaryWikipedia: UFO sightings in Argentina

Secondary / debated material.