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| Date: | Wednesday 23 March 1994 |
| Time: | 14:00 LT |
| Type: |  Robinson R22 Beta |
| Owner/operator: | Orbic Helicopter, Inc |
| Registration: | N4081P |
| MSN: | 1786 |
| Year of manufacture: | 1991 |
| Total airframe hrs: | 1297 hours |
| Engine model: | Lycoming O-360-J2A |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Other fatalities: | 0 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Simi Valley, CA -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | Van Nuys, CA (KVNY) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
A FLIGHT INSTRUCTOR AND STUDENT PILOT WERE PRACTICING HOVERING AUTOROTATIONS IN AN OPEN FIELD. THE STUDENT PILOT ALLOWED THE HELICOPTER TO DRIFT LATERALLY DURING THE AUTOROTATION. THE HELICOPTER'S SKID TUBE CAUGHT ON THE GROUND AS THE STUDENT PILOT INCREASED THE COLLECTIVE. THE HELICOPTER ROLLED OVER. THE INSTRUCTOR PILOT INDICATED HE DID NOT HAVE TIME TO CORRECT THE STUDENT PILOT.
Probable Cause: THE STUDENT PILOT'S IMPROPER HOVERING AUTOROTATION BY ALLOWING THE HELICOPTER TO DRIFT LATERALLY AND REARWARD, RESULTING IN THE HELICOPTER ROLLING OVER DURING TOUCHDOWN, AND THE FLIGHT INSTRUCTOR'S INADEQUATE SUPERVISION OF THE FLIGHT.
Accident investigation:
 |
|
Sources:
NTSB LAX94LA172
History of this aircraft
Other occurrences involving this aircraft
| 4 May 1992 | N4081P | Complete Aviation Services | 0 | Sun Valley, CA | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 10:00 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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