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State Road 64 through the Wabash River bottoms near Princeton, Indiana, United States

The Princeton, Indiana Saucer

A family of three driving east toward Princeton during a thunderstorm reported a 30–40 ft disc-like object with a straight-sided cupola and dark cone beneath it. Lightning reportedly illuminated the structure before it descended slowly into woods near the road.

Date1973-08
LocationState Road 64 through the Wabash River bottoms near Princeton, Indiana, United States
TierTier 2
Evidence Score4/10
Media Score2/10

Why This Case Matters

A detailed multi-witness structured-craft report preserved by Francis Ridge/NICAP, but without official investigation, photographs or independent non-family corroboration.

Chronology

  • Aug 1973 ~21:00 family drives east on SR64 in storm
  • low lights initially resemble headlights
  • lightning flash reportedly reveals disc/cupola
  • object descends toward treeline over ~5 minutes
  • Francis Ridge/NICAP later records case and commissions reconstruction drawing

The Witnesses

Primary driverunnamed in accessible public summary
wifeco-witness
teenage sonco-witness
Francis L. Ridgecivilian investigator

Evidence

The following evidence types are documented for this case:

Evidencethree related eyewitnesses
Evidenceclose-range structured-object description
Evidencecontemporaneous/near-contemporary civilian investigation
Evidencereconstruction drawing
Evidenceno physical trace or sensor data

Conventional explanations: Aircraft/vehicle lights distorted by heavy rain and lightning, storm-related visual effects, unusual perspective on a helicopter/aircraft, or embellished/mistaken family testimony.

What Remains Unresolved

Key Takeaways

Sources

Primary and secondary sources for this case file: