ASN Wikibase Occurrence # 360375
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| Date: | Thursday 2 June 1994 |
| Time: | 12:46 LT |
| Type: |  Bell 47D-1 |
| Owner/operator: | Private |
| Registration: | N14412 |
| MSN: | 996 |
| Total airframe hrs: | 7661 hours |
| Engine model: | FRANKLIN 6V4-200-C32 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Chino, CA -
 United States of America
|
| Phase: | Taxi |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that she lifted into a hover in preparation for takeoff and the helicopter began a pilot inducted oscillation due to heavy cyclic control forces. The pilot stated that she overcompensated on the controls and the helicopter rolled over. The pilot reported that during the run-up procedure she disengaged the hydraulic system to check the rotor tip path plane and forgot to reengage the system prior to lifting into a hover. The pilot said there was no mechanical malfunction or failure of any system.
Probable Cause: loss of aircraft control due to the pilot's failure to correctly configure the hydraulic system prior to takeoff.
Accident investigation:
 |
|
Sources:
NTSB LAX94LA235
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 16-Mar-2024 06:43 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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