ASN Wikibase Occurrence # 198550
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Date: | Monday 5 October 2015 |
Time: | 08:05 |
Type: | Bell 47G Soloy |
Owner/operator: | Custom Air LLC |
Registration: | N160CS |
MSN: | 2768 |
Year of manufacture: | 1962 |
Total airframe hrs: | 15259 hours |
Engine model: | Rolls Royce T63-A-700 |
Fatalities: | Fatalities: 0 / Occupants: 1 |
Aircraft damage: | Substantial |
Category: | Accident |
Location: | Huntsville, TX -
United States of America
|
Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
Nature: | Agricultural |
Departure airport: | Huntsville, TX |
Destination airport: | Huntsville, TX |
Investigating agency: | NTSB |
Confidence Rating: | Accident investigation report completed and information captured |
Narrative:The commercial pilot was conducting an agricultural application flight in the helicopter. He reported that the helicopter felt "awkward" during the spray pass shortly before the event but that he thought that it was due to an uncoordinated turn. During the next spray pass, the helicopter developed a right rolling tendency, which the pilot was initially able to counter with left cyclic control. He then entered a right turn with the intention of returning to the fuel truck. Once the right turn was initiated, he applied full left and aft cyclic control input but the helicopter did not respond. The helicopter began to lose altitude, impacted the ground, and then came to rest in an open field covered with low vegetation.
The pilot reported that he did not feel any abnormal vibrations or hear any "pops" before the loss of control authority. He added that the flight went from routine to out of control in a matter of "seconds." A postaccident examination of the helicopter revealed no evidence of preimpact failures or malfunctions; however, the extent of damage to the flight control system precluded a complete examination.
Probable Cause: The pilot's loss of helicopter control during an agricultural application pass for reasons that could not be determined due to the extent of damage to the flight control system.
Accident investigation:
|
| |
Investigating agency: | NTSB |
Report number: | CEN16LA003 |
Status: | Investigation completed |
Duration: | |
Download report: | Final report |
|
Sources:
NTSB
Location
Revision history:
Date/time | Contributor | Updates |
19-Aug-2017 07:25 |
ASN Update Bot |
Added |
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