ASN Wikibase Occurrence # 286259
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| Date: | Sunday 2 March 2008 |
| Time: | 16:20 LT |
| Type: |  Beechcraft B36TC |
| Owner/operator: | Private |
| Registration: | N234MT |
| MSN: | EA-656 |
| Total airframe hrs: | 873 hours |
| Engine model: | Continental TSIO-520-UB |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Mammoth, California -
 United States of America
|
| Phase: | En route |
| Nature: | Private |
| Departure airport: | Mammoth Lakes Airport, CA (MMH/KMMH) |
| Los Angeles-Van Nuys Airport, CA (VNY/KVNY) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
About three minutes after takeoff, the airplane's engine experienced a complete loss in power, but the propeller kept turning. Since the pilot could not get the engine restarted, he configured the airplane for a normal landing, and touched down in what appeared to him to be level snow-covered terrain. Upon touchdown, the airplane sank through about three feet of dense snow, which resulted in a rapid deceleration. Both the airplane's belly and the inboard portion of its wings suffered crushing damage. Inspection of the airplane's fuel storage and delivery systems, and the teardown inspection of the components of the turbocharger system did not reveal any evidence of an anomaly that would have kept the engine from producing full rated horsepower. The engine was successfully test run at various power settings up to a maximum of 2,400 rpm and 30 inches of manifold pressure.
Probable Cause: A loss of engine power for undetermined reasons. Contributing to the accident was dense snow covering the level terrain.
Accident investigation:
 |
|
Sources:
NTSB SEA08LA084
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-Oct-2022 07:59 | ASN Update Bot | Added |
Corrections or additions? ... Edit this accident description
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