| Crash location | Unknown |
| Nearest city | Diablo, CA
37.834926°N, 121.958015°W |
| Tail number | N522T |
|---|---|
| Accident date | 06 Jun 1993 |
| Aircraft type | Piper PA-23-150 |
| Additional details: | None |
THE PILOT IN COMMAND'S CONTINUED FLIGHT INTO INSTRUMENT METEOROLOGICAL CONDITIONS, AND THE IMPROPER IN FLIGHT PLANNING AND DECISION MAKING BY THE PILOT.