ASN Wikibase Occurrence # 286745
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| Date: | Thursday 30 July 2009 |
| Time: | 17:00 LT |
| Type: | Christopher John P CHR-1 |
| Owner/operator: | Private |
| Registration: | N179TC |
| MSN: | 01 |
| Total airframe hrs: | 104 hours |
| Engine model: | Rotax 583 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | near Norridgewock-Central Maine Airport, Somerset County, ME -
 United States of America
|
| Phase: | Approach |
| Nature: | Private |
| Departure airport: | Norridgewock-Central Maine Airport, ME (OWK/KOWK) |
| Norridgewock-Central Maine Airport, ME (OWK/KOWK) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot of the gyroplane stated that after takeoff he climbed to pattern altitude and, while on downwind and abeam the runway numbers, he heard a 'pop and then experienced a terrible, violent vibration, seemingly catastrophic in nature. There was no power, but the engine was still running.†As he was conducting a forced landing in rough terrain, the wheel and then the main rotor dug into the ground, causing the ship to roll onto its side. The main rotor, mast, landing gear, and horizontal stabilizer sustained damage. Further examination by the pilot revealed that the engine crankshaft was broken near the No. 1 cylinder. The pistons of the non-certified engine had been replaced about 10 operational hours earlier.
Probable Cause: A loss of engine power due to a broken crankshaft for undetermined reasons.
Accident investigation:
 |
|
Sources:
NTSB ERA09LA438
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Oct-2022 15:26 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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