| Crash location | Unknown |
| Nearest city | California City, CA
35.125801°N, 117.985904°W |
| Tail number | N393D |
|---|---|
| Accident date | 02 Sep 1989 |
| Aircraft type | Ruppercht Varieze |
| Additional details: | None |
THE WING FAILED DUE TO THE PILOT/OWNERS OVERTORQUING THE WING BOLTS AND THE IMPROPER INSTALLATION OF THE WING ATTACH PLATES/CONES.