ASN Wikibase Occurrence # 166878
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| Date: | Wednesday 11 June 2014 |
| Time: | 14:30 |
| Type: |  Bell 206L-4 LongRanger IV |
| Owner/operator: | Westwind Helicopter LLC |
| Registration: | N207MY |
| MSN: | 52258 |
| Year of manufacture: | 2000 |
| Total airframe hrs: | 6387 hours |
| Engine model: | Allison 250-C30 SER |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Gulf of Mexico, 60 miles S of Terrebonne Bay, LA -
 United States of America
|
| Phase: | Approach |
| Nature: | Offshore |
| Departure airport: | Ship Shoal 266B |
| South TB 317 | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial-rated pilot and passenger were en route to an oil platform located in the Gulf of Mexico. A witness, who was on the platform, saw the helicopter heading toward the platform. As the helicopter approached, it started to spin in a clockwise direction. The helicopter spun several times before it dropped to the water.
Examination of the helicopter and rotor system did not reveal any preimpact abnormalities. Weather stations located about 26 and 48 miles from the accident site reported favorable conditions with relatively light wind. Given the lack of specific wind information for the accident location and the lack of information regarding the helicopter's direction, speed, and altitude as it approached the platform, it could not be determined if the helicopter experienced a loss of tail rotor effectiveness.
A medical review of the pilot noted discrepancies between his declared medical conditions and medicine usage and those found during the autopsy and toxicology tests. However, there was not enough information to determine whether a medical issue resulted in the pilot’s loss of helicopter control.
Probable Cause: The pilot's loss of helicopter control for reasons that could not be determined based on the available information.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=N207MY
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 12-Jun-2014 06:29 | Mxcollins | Added |
| 12-Jun-2014 06:33 | harro | Updated [Aircraft type] |
| 12-Jun-2014 16:16 | Geno | Updated [Registration, Cn, Total fatalities, Other fatalities, Phase, Destination airport, Source, Narrative] |
| 12-Jun-2014 19:30 | Anon. | Updated [Operator] |
| 18-Jun-2014 22:39 | Geno | Updated [Time, Departure airport, Destination airport, Source, Damage, Narrative] |
| 10-Jun-2016 19:14 | Aerossurance | Updated [Time, Location, Source, Narrative] |
| 30-Jul-2016 10:05 | Aerossurance | Updated [Location, Departure airport, Destination airport, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 29-Nov-2017 15:02 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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