| Crash location | Unknown |
| Nearest city | Pine Valley, CA
32.821440°N, 116.529184°W |
| Tail number | N36506 |
|---|---|
| Accident date | 08 Dec 1991 |
| Aircraft type | Piper PA-34-200T |
| Additional details: | None |
THE PILOT'S FAILURE TO MONITOR THE PROPER ALTITUDE OVER OBSERABLE RISING TERRAIN. A CONTRIBUTING FACTOR WAS THE PILOT'S ENCOUNTER WITH A STRONG DOWNDRAFT.