ASN Wikibase Occurrence # 122830
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| Date: | Sunday 29 May 2011 |
| Time: | 12:48 |
| Type: |  Bell OH-58A-BF Kiowa |
| Owner/operator: | St. Lucie Co Sheriff's Office |
| Registration: | N911SL |
| MSN: | 41251 |
| Year of manufacture: | 1971 |
| Total airframe hrs: | 5514 hours |
| Engine model: | Rolls-Royce Allison 250-C20C |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | near I95 and Okeechobee Rd, St. Lucie County, FL -
 United States of America
|
| Phase: | En route |
| Nature: | Unknown |
| Departure airport: | Fort Pierce-Treasure Coast International Airport, FL (FPR/KFPR) |
| Fort Pierce-Treasure Coast International Airport, FL (FPR/KFPR) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was maneuvering the helicopter at low altitude during a search mission. After completing a low level, slow speed, right turn, the helicopter experienced a nose dip and began to spin. The pilot took corrective actions in an attempt to stop the spinning, but the actions failed, and the helicopter impacted the ground hard. No preimpact mechanical irregularities were noted with the helicopter during the wreckage examination. The pilot stated that he was more focused on the mission than on flying the helicopter and was caught off guard when the uncommanded right yaw started. He reported that he lost awareness of the wind condition and did not recognize the possibility of a loss of tail rotor effectiveness (LTE) event. As a result of the accident, the helicopter operator implemented additional training and awareness courses and required their pilots to complete mission-oriented emergency procedures flight training and specific training on LTE prevention, onset, and recovery.
Probable Cause: The pilot's failure to recognize and avoid a loss of tail rotor effectiveness, which resulted in a loss of control and hard landing.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 29-May-2011 16:12 | gerard57 | Added |
| 30-May-2011 03:57 | RobertMB | Updated [Time, Aircraft type, Registration, Cn, Operator, Location, Nature, Damage, Narrative] |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 27-Nov-2017 16:54 | ASN Update Bot | Updated [Cn, Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative] |
| 30-May-2023 08:11 | Ron Averes | Updated [[Cn, Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative]] |
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