ASN Wikibase Occurrence # 134954
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| Date: | Sunday 30 September 2007 |
| Time: | 16:30 |
| Type: |  Robinson R44 |
| Owner/operator: | Wilson Anderson d/b/a N6272Q Inc |
| Registration: | N8353K |
| MSN: | 0348 |
| Year of manufacture: | 1997 |
| Total airframe hrs: | 1471 hours |
| Engine model: | Textron Lycoming O-540-F185 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Private Helipad near Jackson Center, Shelby County, Ohio -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Private Helipad near Jackson Center, Ohio |
| Private Helipad near Jackson Center, Ohio | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
On September 30, 2007, at 1630 eastern daylight time, a Robinson R44 helicopter, N8353K, sustained substantial damage when the tail rotor hit tall corn and impacted the terrain during an approach to a private landing zone near Jackson Center, Ohio. (At approximate GPS coordinates 40'73.7500"N, 84'07.8611"W). The pilot, the sole occupant, was not injured. The 14 Code of Federal Regulations personal flight departed from the pilot's private landing zone on a local flight. Visual meteorological conditions prevailed at the time of the accident, and no flight plan was filed.
The pilot reported that he felt vibrations in the main rotor while he was approaching the landing zone. The vibrations grew worse and when the aircraft was about 10-15 feet above ground level (agl), the vibrations were severe enough that he decided to lower the collective and land. The tail rotor impacted the tall corn and the tail rotor gearbox separated from the tail rotor boom. The helicopter rotated about 180 degrees during ground impact. The main rotor blades impacted the ground, and the landing gear separated from the fuselage. The helicopter rolled onto its right side, and the pilot exited the helicopter.
Inspectors from the Federal Aviation Administration examined the helicopter at the accident site. The inspection revealed that there was continuity of the collective and cyclic system, although the range of motion was restricted due to control rod impact damage. The main rotor hub was intact. One blade remained attached to the hub and it was entirely accounted for and it remained intact. Several points along the bonding seam were separated, but were consistent with impact damage. The other blade was separated from the hub but there was no indication of delamination. All damage to the blade was consistent with impact damage.
Probable Cause: The reported vibration in the helicopter during an approach for landing for undetermined reasons. Contributing to the accident was the mature cornfield.
Accident investigation:
 |
|
Sources:
1. NTSB Identification: CHI07LA309 at https://www.ntsb.gov/about/employment/_layouts/ntsb.aviation/brief2.aspx?ev_id=20071003X01494&ntsbno=CHI07LA309&akey=1
2. FAA Registration: https://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=N8353K
3. http://aviationweek.com/awin/helicopter-bump-and-chug
4. https://flightsafety.org/asw-article/mast-rocking/
5. https://planecrashmap.com/list/oh/
6. https://www.griffin-helicopters.co.uk/accidentdetails.aspx?accidentkey=40989
7. https://en.wikipedia.org/wiki/Jackson_Center,_Ohio
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 04-Dec-2017 18:53 | ASN Update Bot | Updated [Cn, Departure airport, Destination airport, Source, Narrative] |
| 31-Oct-2018 22:57 | Dr.John Smith | Updated [Time, Operator, Other fatalities, Location, Departure airport, Destination airport, Source, Damage, Narrative] |
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