Trading Post Campgrounds, Mongo, Indiana, United States
The Mongo Photo Case
Six men at a campground near Mongo, Indiana reported a luminous object moving past them on 31 August 1994, and one witness took several 35mm photographs. MUFON and CUFOS investigators, including Richard Haines, examined negatives and reconstructed the sightline. A blimp was definitely present in the
Why This Case Matters
A stronger-than-average photo case because it combines six witnesses, original negatives and a sustained investigation—while retaining a very plausible blimp alternative.
Chronology
- 31 Aug ~20:30 six men see luminous object
- photographer captures at least four useful frames from 35mm roll
- following day other local witnesses are reported
- Oct case reaches Indiana MUFON
- 1994–95 negatives, maps and daylight reference photos gathered
- Haines performs photo/geometry analysis
- blimp hypothesis investigated but flight records remain unresolved
The Witnesses
Evidence
The following evidence types are documented for this case:
Conventional explanations: Advertising blimp is the leading conventional hypothesis. A blimp was seen that night, and the object's illuminated shape is compatible in broad terms; disputed speed, stop-start movement and lack of matched flight schedule prevented investigators from closing the case.
What Remains Unresolved
- Exact blimp flight path/operator
- original full negative strip
- precise object range
- whether other same-night sightings were the same source
- modern photogrammetric re-analysis.
Key Takeaways
- The correct verdict is not 'proved saucer' or 'obviously blimp.' The blimp hypothesis is substantial and should be tested against the photographed geometry and witness timing.
Sources
Primary and secondary sources for this case file: