| Crash location | Unknown |
| Nearest city | Ontario, CA
34.063344°N, 117.650888°W |
| Tail number | N70PE |
|---|---|
| Accident date | 15 Sep 1989 |
| Aircraft type | Piper PA-31-350 |
| Additional details: | None |
FAILURE OF THE RIGHT PROPELLER HUB DUE TO METAL FATIGUE WHICH RESULTED IN CATASTROPHIC SEPARATION OF THE PROPELLER. CONTRIBUTING TO THE ACCIDENT WAS DAMAGE DONE TO THE AIRCRAFT AIRFRAME IN FLIGHT BY THE SEPARATING PROPELLER MAKING THE AIRCRAFT UNCONTROLLABLE.