| Crash location | Unknown |
| Nearest city | Fontana, CA
34.092233°N, 117.435048°W |
| Tail number | N6775R |
|---|---|
| Accident date | 25 Nov 1990 |
| Aircraft type | Cessna T210-F |
| Additional details: | None |
THE PILOT-IN-COMMAND'S DECISION TO CONTINUE FLIGHT INTO KNOWN ADVERSE WEATHER CONDITIONS DURING THE HOURS OF DARKNESS IN MOUNTAINOUS TERRAIN.