| Crash location | Unknown |
| Nearest city | Simi Valley, CA
34.269447°N, 118.781482°W |
| Tail number | N80783 |
|---|---|
| Accident date | 23 Nov 1990 |
| Aircraft type | ROBINSON R22Beta |
| Additional details: | None |
A DIVERGENCE OF THE MAIN ROTOR FROM ITS NORMAL PLANE OF ROTATION FOR AN UNDETERMINED REASON, WHICH RESULTED IN ROTOR CONTACT TO THE TAILBOOM AND COCKPIT.