ASN Wikibase Occurrence # 30493
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| Date: | Friday 25 June 1999 |
| Time: | 18:35 LT |
| Type: |  Hughes OH-6A |
| Owner/operator: | Cypress Bay, Inc. |
| Registration: | N6247A |
| MSN: | 1260014 |
| Year of manufacture: | 1965 |
| Total airframe hrs: | 4162 hours |
| Engine model: | Allison 250-C10D |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Near Murrells Inlet, South Carolina -
 United States of America
|
| Phase: | Taxi |
| Nature: | Unknown |
| Departure airport: | Myrtle Beach, SC |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The helicopter was in a 4-to 6-foot hover above the marsh's surface, maneuvering for film shooting. The pilot stated the helicopter began to spin clockwise despite his applying full left anti-torque pedal. Increasing collective did not remedy the uncommanded yawing, so he lowered collective and power, and settled into the marsh, collapsing the left skid and the three occupied seats. The tail boom was severed by a main rotor blade strike. Winds were from the south to southwest at 15 knots. Examination of the wreckage revealed no evidence of precrash failure or malfunction of the helicopter's flight controls, structure, or rotor drive system.
Probable Cause: An inflight loss of control due to loss of tail rotor effectiveness as a result of the pilot's inadequate compensation for the winds and improper weather evaluation.
Accident investigation:
 |
|
Sources:
NTSB MIA99LA189
FAA register: NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20001212X19074&key=1
FAA register: 4. http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=6247A
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2008 01:00 | ASN archive | Added |
| 23-Feb-2015 00:27 | Dr. John Smith | Updated [Time, Operator, Total fatalities, Total occupants, Other fatalities, Location, Country, Phase, Nature, Departure airport, Destination airport, Source, Damage, Narrative] |
| 14-Dec-2017 08:25 | ASN Update Bot | Updated [Time, Cn, Operator, Nature, Departure airport, Destination airport, Source, Damage, Narrative] |
| 07-Apr-2024 19:38 | ASN Update Bot | Updated [Time, Other fatalities, Phase, Departure airport, Source, Narrative, Category, Accident report] |
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