ASN Wikibase Occurrence # 226962
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| Date: | Monday 8 July 2019 |
| Time: | 11:12 LT |
| Type: | Continental Copters El Tomcat Mk VI-C |
| Owner/operator: | Tri State Helicopters |
| Registration: | N41830 |
| MSN: | CCI-73-2 |
| Year of manufacture: | 1973 |
| Total airframe hrs: | 6549 hours |
| Engine model: | Lycomig VO-435 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | near Franklin, Simpson County, KY -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Agricultural |
| Departure airport: | Franklin, KY |
| Franklin, KY | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The helicopter pilot of the aerial application flight departed from the rooftop helipad of a truck to spray a field. He reported that as the helicopter turned, descended, and leveled off, he realized that the main rotor rpm began to decay. The pilot increased throttle, lowered the collective, and applied aft cyclic to increase rotor rpm; however, the tailboom contacted the ground and the helicopter rolled inverted, which resulted in substantial damage. The pilot added that there were no preimpact mechanical malfunctions with the helicopter.
Probable Cause: The pilot's failure to maintain main rotor rpm after takeoff, which resulted in a collision with terrain.
Accident investigation:
 |
|
Sources:
FAA register: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?NNumbertxt=41830
NTSB ERA19TA213
Location
Images:
Photo: FAA
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 09-Jul-2019 09:56 | gerard57 | Added |
| 09-Jul-2019 10:39 | RobertMB | Updated [Time, Aircraft type, Location, Source] |
| 09-Jul-2019 14:06 | Geno | Updated [Aircraft type, Registration, Cn, Operator, Source] |
| 09-Jul-2019 14:37 | RobertMB | Updated [Aircraft type, Location] |
| 09-Jul-2019 23:30 | Captain Adam | Updated [Location, Narrative] |
| 27-Mar-2021 11:04 | ASN Update Bot | Updated [Time, Other fatalities, Departure airport, Destination airport, Source, Damage, Narrative, Category, Accident report] |
| 27-Mar-2021 11:38 | harro | Updated [Operator, Other fatalities, Source, Narrative, Photo] |
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