ASN Wikibase Occurrence # 159649
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| Date: | Thursday 29 August 2013 |
| Time: | 16:43 |
| Type: |  Brantly B-2B |
| Owner/operator: | Private |
| Registration: | N2253U |
| MSN: | 412 |
| Total airframe hrs: | 1572 hours |
| Engine model: | Lycoming O&VO-360 SER |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Grant Township, Oceana County, MI -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Rothbury, MI |
| Rothbury, MI | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that he initiated a takeoff in light and variable wind conditions from the middle of a private field. During the takeoff, the pilot initiated a left pedal turn to abort the takeoff, likely in an attempt to avoid trees. During the left pedal turn, a wind gust forced the helicopter toward the ground. The helicopter subsequently impacted the ground hard at a near-level attitude on an uphill slope. The main rotor blade struck the ground, and the helicopter then rolled and came to rest on its left side. The open field was about 750 feet long (east to west) and 150 feet wide. The field was surrounded by about 30- to 40-foot-tall pine trees with larger growth on the west end. Performance charts from the helicopter’s flight manual indicated that the helicopter should have had sufficient takeoff climb performance to clear the trees. Examination of the helicopter did not reveal any mechanical anomalies with the flight controls or engine that would have precluded normal operation. The pilot reported that the helicopter was operating normally before the accident.
Probable Cause: The pilot’s failure to maintain helicopter control while turning to avoid trees during an aborted takeoff in gusting wind conditions.
Accident investigation:
 |
|
Sources:
NTSB
FAA register: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=2253U
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Aug-2013 07:39 | gerard57 | Added |
| 30-Aug-2013 22:55 | Geno | Updated [Time, Aircraft type, Registration, Cn, Location, Phase, Departure airport, Source, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 29-Nov-2017 08:59 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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