ASN Wikibase Occurrence # 284848
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| Date: | Sunday 27 May 2007 |
| Time: | 19:46 LT |
| Type: |  Messerschmitt BO 105CBS-2 |
| Owner/operator: | Aviane Air Ambulance |
| Registration: | N911GB |
| MSN: | 694 |
| Year of manufacture: | 1985 |
| Total airframe hrs: | 7830 hours |
| Engine model: | Allison 250 C20B |
| Fatalities: | Fatalities: 0 / Occupants: 5 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Isla de Vieques, Puerto Rico -
 United States of America
|
| Phase: | Unknown |
| Nature: | Unknown |
| Departure airport: | Vieques, PR |
| San Juan , PR | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Shortly after takeoff, the helicopter's right engine lost power, so the pilot performed an autorotation to the ground. During the autorotation, the helicopter "landed hard," and the fuselage was substantially damaged. Examination of the helicopter's right engine revealed the trim actuator control rod was disconnected, and the locking nut and washer, which secured the governor, were loose. According to maintenance records provided by the operator, the right engine was installed on the helicopter two days prior to the accident, and the engine governors were rigged at the same time. The helicopter flew approximately 3 hours since the maintenance was performed.
Probable Cause: The mechanic's failure to secure the engine governor locking hardware, which resulted in the right engine losing power.
Accident investigation:
 |
|
Sources:
NTSB NYC07LA149
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-Oct-2022 09:39 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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