NTSB Identification: ATL07FA040
14 CFR Part 91: General Aviation
Accident occurred Friday, February 09, 2007 in Hinesville, GA
Probable Cause Approval Date: 06/11/2009
Aircraft: BEECH A36, registration: N506BC
Injuries: 4 Fatal.
NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.
The instrument-rated private pilot filed an instrument-flight-rules flight plan and advised the controller that he was operating under visual-flight-rules flight at 9,500 feet. The controller cleared the pilot to descend and maintain 9,000 feet. Shortly thereafter, the pilot requested clearance to climb to 11,000 feet. The controller advised the pilot that there were reports of icing between 12,000 and 16,000 feet. The pilot advised that he would be "on top of it." The pilot requested clearance to climb to 13,000 feet. Shortly thereafter, the pilot advised he was "experiencing some precipitation" and requested clearance to descend to 11,000 feet. Analysis conducted by Safety Board meteorology specialists indicates that the airplane likely encountered freezing rain or drizzle that would have resulted in moderate to severe mixed icing adhering to its airframe. As the airplane descended in a right turn, it disappeared from radar. The airplane broke up in flight and impacted heavily wooded terrain. Marijuana was found at the scene, and post-accident toxicological testing performed on specimens from the pilot was consistent with the use of marijuana within 3 hours of the accident.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: The pilot's failure to maintain aircraft control resulting in the in-flight breakup of the airplane due to aerodynamic overload. Contributing to the accident were airframe icing and the pilot's impairment by illegal drugs. Full narrative available
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