ASN Wikibase Occurrence # 138233
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| Date: | Sunday 28 August 2011 |
| Time: | 12:30 |
| Type: |  Beechcraft A36 Bonanza |
| Owner/operator: | Private |
| Registration: | N6052W |
| MSN: | E-1497 |
| Year of manufacture: | 1979 |
| Total airframe hrs: | 3986 hours |
| Engine model: | Continental IO 550 SERIES |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | On a highway near Napa County Airport - KAPC, CA -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | South Lake Taho, CA (KTVL) |
| Napa, CA (KAPT) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
While on final approach to the destination airport, about 1.5 miles from the approach end of the runway, the engine suddenly lost power. The pilot advanced the throttle, checked that the mixture was rich, moved the fuel selector from the left tank to the right tank, and activated the fuel boost pump. The engine did not regain its power, and the pilot executed a gear up landing on a nearby highway. During the landing, the airplane hit a vehicle and the left wing impacted a metal pole and the left fuel tank was breached. First responders reported that there was no indication of fuel in the left tank or leaking from the airplane, and the right tank was about 1/4 full. The propeller blade tips were curled; two blade tips curled forward, and one blade tip curled aft, consistent with a propeller that was under power at the time of contact with the hard, flat roadway. Postaccident examination of the engine revealed no evidence of mechanical malfunctions or failures that would have precluded normal operation. It is likely that the loss of engine power was the result of fuel starvation, and the pilot’s action of switching to the right fuel tank resulted in the engine regaining power at the same instant that the airplane landed with its gear up on the highway.
Probable Cause: The pilot’s mismanagement of the fuel supply, which resulted in a loss of engine power due to fuel starvation.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 29-Aug-2011 01:27 | gerard57 | Added |
| 29-Aug-2011 03:44 | RobertMB | Updated [Aircraft type, Registration, Cn, Operator, Location, Destination airport, Source, Narrative] |
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 27-Nov-2017 17:05 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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