| Crash location | Unknown |
| Nearest city | Walton, OR
44.030677°N, 123.585380°W |
| Tail number | N64SF |
|---|---|
| Accident date | 28 Aug 1991 |
| Aircraft type | Aerospatiale 350 B1 |
| Additional details: | None |
THE PILOT'S FAILURE TO MAINTAIN CLEARANCE FROM TERRAIN.