ASN Wikibase Occurrence # 357538
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| Date: | Tuesday 16 April 1996 |
| Time: | 16:00 LT |
| Type: |  Bell 206B III |
| Owner/operator: | Corporate Helicopters |
| Registration: | N2750F |
| MSN: | 2674 |
| Total airframe hrs: | 13647 hours |
| Engine model: | Allison 250-C20B |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | San Diego, CA -
 United States of America
|
| Phase: | Landing |
| Nature: | Training |
| Departure airport: | (KMYF) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While practicing touchdown autorotations, the helicopter landed hard on uneven terrain short of the intended touchdown point. The commercial pilot-rated student was demonstrating a autorotation with a turn to the runway. As he completed the turn and was aligning with the runway, the helicopter rotor rpm dropped to 70 percent. Halfway into the maneuver the flight instructor realized the helicopter was too low and slow to accomplish a power recovery and took control. The helicopter landed short of the runway in rough terrain. A postflight inspection of the helicopter revealed wrinkles in the tail boom. The pilot under instruction held a rotorcraft helicopter rating.
Probable Cause: the student's failure to maintain adequate main rotor rpm and airspeed during a practice autorotation, and the instructor's inadequate supervision of the flight.
Accident investigation:
 |
|
Sources:
NTSB LAX96LA172
History of this aircraft
Other occurrences involving this aircraft
| 26 February 1992 | N2750F | Chevron Usa Incorporated | 0 | Grand Isle, | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 13-Mar-2024 19:01 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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