ASN Wikibase Occurrence # 175816
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| Date: | Friday 1 May 2015 |
| Time: | 12:25 |
| Type: |  Bensen B8M |
| Owner/operator: | Steven Albert Lathorp |
| Registration: | N50993 |
| MSN: | 1 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Location: | Sherman Road, Moorland Township, NW of Ravenna, Michigan -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Riverview, MI (08C) |
| Confidence Rating: |  Information verified through data from accident investigation authorities |
On May 1, 2015, about 1225 central daylight time, a homebuilt gyrocopter, N5606X, registered to the pilot/owner, was destroyed when it collided with power lines while maneuvering in the vicinity of Ravenna, Michigan. The private pilot, who was the sole occupant, sustained serious injuries. Visual meteorological conditions prevailed in the vicinity and a flight plan was not filed. The local flight was being conducted under the provisions of Federal Code of Regulations Part 91. The flight originated from Riverview, Michigan, about 1125.
The single-seat gyrocopter wreckage was resting in a deep ditch on the north side of Sherman Road near the intersection of Wunsch Road in Moorland Township near Ravenna, MI. Evidence at the accident site showed that the gyrocopter had impacted 30-foot high power lines, consequently breaking the two of the lines. The power line pole on the north side of Sherman Road was broken and unattached to its base. The pilot's headgear showed thermal damage to the face shield and soot was evident inside of the shield and around the face relief of the helmet, consistent with electrical arcing. The helmet was found in a ditch just west of Wunsch Road about 40 feet from the wreckage.
The gyrocopter's rotor mast was broken off, about seat height. The rotor blades were coned upward consistent with low RPM and high loading. The trailing edges of the blades exhibited buckling between fasteners. One rotor blade had scuff marks on the bottom side. The other blade had buckling failure in the aft direction. One of the propeller blades of the pusher propeller was separated and was found about 50 yards beyond the wreckage. The broken blade leading edge exhibited leading edge marks consistent with contact with the broken power line wires.
The Volkswagen engine appeared to be mostly intact. The crank would rotate by hand, but was limited due to adjacent impact damage. Automotive gasoline was present in the fuel filter and some gas was dripping out of the carburetor when first responders arrived. The broken ends of the power lines showed some broom straw signatures, some cut failures, and some right angle bending near the wire failures. The wires consisted of five aluminum wires wrapped about a steel core.
Sources:
NTSB
2. FAA: http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?omni=Home-N-Number&nNumberTxt=50993
3. http://www.mlive.com/news/muskegon/index.ssf/2015/05/lamont_man_injured_in_rural_mu.html
4. https://www.wzzm13.com/article/story/news/local/2015/05/01/plane-crashes-in-muskegon/26705337/
5. http://www.woodtv.com/news/muskegon-county/fire-officials-plane-crash-in-muskegon-county/1086774388
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 01-May-2015 20:02 | Geno | Added |
| 01-May-2015 20:16 | Geno | Updated [Aircraft type, Registration, Cn, Operator, Departure airport, Source, Narrative] |
| 01-May-2015 20:30 | Geno | Updated [Aircraft type, Registration, Cn, Operator, Departure airport, Source, Narrative] |
| 02-May-2015 06:46 | gerard57 | Updated [Date] |
| 02-May-2015 14:53 | harro | Updated [Aircraft type] |
| 26-Jul-2016 21:41 | Dr.John Smith | Updated [Operator, Location, Phase, Nature, Departure airport, Source, Narrative] |
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