ASN Wikibase Occurrence # 352644
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| Date: | Saturday 11 September 1999 |
| Time: | 17:30 LT |
| Type: |  Hiller UH-12A |
| Owner/operator: | Private |
| Registration: | N212W |
| MSN: | 237 |
| Total airframe hrs: | 1092 hours |
| Engine model: | Franklin 6A4-200-C33 |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Satartia, MS -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot decided to land in an open area next to a soybean field due to a physical urgency. He stated that during the approach, a 'loud noise occurred' and the helicopter became 'uncontrollable,' with the control stick moving forcefully in all directions. Upon impact, the helicopter rolled onto its right side, sustaining damage to the main rotor blades, the tail boom, the skids, and the fuselage. Examination of the helicopter disclosed that the forward engine/transmission mounts had separated from the airframe. Examination of the engine mounts, however, revealed the fracture surface was consistent with overstress separation.
Probable Cause: The pilot's failure to maintain control of the helicopter while on approach which resulted in the uncontrolled collision with the ground. A factor was the pilot's physiological condition.
Accident investigation:
 |
|
Sources:
NTSB ATL99LA131
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 08-Mar-2024 12:47 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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