Loss of control Accident Beechcraft 58P Baron C-GGBT,
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ASN Wikibase Occurrence # 54565
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Date:Saturday 20 December 2008
Type:Silhouette image of generic B58T model; specific model in this crash may look slightly different    
Beechcraft 58P Baron
Owner/operator:Mauroil International Inc
Registration: C-GGBT
MSN: TJ-373
Year of manufacture:1981
Total airframe hrs:3571 hours
Engine model:Teledyne Continental TSIO-520
Fatalities:Fatalities: 2 / Occupants: 2
Aircraft damage: Destroyed
Location:8 miles from Trinidad, CO -   United States of America
Phase: En route
Departure airport:Pueblo, CO (PUB)
Destination airport:Santa Fe, NM (SAF)
Investigating agency: NTSB
Confidence Rating: Accident investigation report completed and information captured
The pilot maneuvered the twin-engine pressurized airplane to a level attitude about 18,000 feet mean sea level (msl). Approximately 30 minutes later, while approaching the downwind side of a ridge of mountains, the airplane entered an uncontrolled descent and impacted mountainous terrain. During the last radio transmissions from the pilot, he reported having serious difficulties; however, he was unsure of the exact nature of the problem. Following the loss of radar contact, a pilot from a passing airplane approached the accident area and located the wreckage. As the pilot circled the wreckage, he encountered a mountain wave event and elected to depart the area. A meteorological study of weather conditions in the accident area indicated the potential for severe mountain wave activity at the time of the accident. There were also numerous pilot reports specifically identifying encounters with mountain waves and/or severe or extreme turbulence at flight levels close to the accident area. A postaccident examination of the airplane revealed no anomalies that would have precluded normal operation.
Probable Cause: The pilot's inadvertent flight into mountain wave activity resulting in a loss of control and subsequent impact with mountainous terrain.

Accident investigation:
Investigating agency: NTSB
Report number: CEN09FA097
Status: Investigation completed
Duration: 2 years and 4 months
Download report: Final report




Revision history:

22-Dec-2008 09:57 harro Updated
03-Dec-2017 13:11 ASN Update Bot Updated [Time, Other fatalities, Nature, Departure airport, Destination airport, Source, Narrative]

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