ASN Wikibase Occurrence # 59006
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| Date: | Friday 20 March 2009 |
| Time: | 15:56 |
| Type: | Barnett J4B |
| Owner/operator: | Private |
| Registration: | N35JB |
| MSN: | 080 |
| Engine model: | Lycoming O-360 |
| Fatalities: | Fatalities: 0 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Highway 65 Sheridan, CA -
 United States of America
|
| Phase: | En route |
| Nature: | Ferry/positioning |
| Departure airport: | Marysville, CA (MYV) |
| Lincoln, CA (LHM) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While in cruise flight, the gyroplane experienced a loss of engine power and the pilot initiated a forced landing onto a highway. After an uneventful landing, the pilot steered the gyroplane off the road to avoid a vehicle, and the gyroplane encountered a ditch and rolled onto its right side. The vertical stabilizer and rudder were bent and wrinkled, and the rotor head was destroyed. Postaccident examination of the engine by the gyroplane's owner revealed no evidence of mechanical failures or malfunctions. The owner stated that the high humidity and the pilot's description of the power loss indicated carburetor icing had occurred. The owner further stated that the gyroplane was equipped with carburetor heat; however, the pilot did not use it. Review of the carburetor ice probability chart revealed that the temperature and dew point at the time of the accident were conducive to icing conditions at cruise power and serious icing conditions at glide power.
Probable Cause: A loss of engine power due to carburetor icing as a result of the pilot's failure to use carburetor heat.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 21-Mar-2009 06:57 | Digitalis | Added |
| 28-Mar-2009 02:03 | harro | Updated |
| 21-Dec-2016 19:25 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 01-Dec-2017 12:16 | ASN Update Bot | Updated [Operator, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative, Plane category] |
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