NTSB Identification: LAX06FA283.
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Accident occurred Saturday, September 02, 2006 in Prescott, AZ
Probable Cause Approval Date: 07/30/2008
Aircraft: Cessna 337G, registration: N1893M
Injuries: 3 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 twin engine puller/pusher airplane departed the 7,550-foot-long runway, but failed to climb more than 100 feet above ground level (agl). The gear remained extended, and seconds before colliding with power lines, a transmission from one of the occupants indicated that they did not need assistance. During the accident sequence, the wreckage sustained extensive thermal damage. Two separate witnesses, who are pilots, saw the airplane after liftoff from the runway flying at low altitude just barely clearing the tops of trees. Both of the witnesses said the airplane was at a slow airspeed in a nose high attitude with the landing gear down, and, after about 1,000 yards, began a descent in the nose high attitude until contacting the power lines. Examination of the engines did not reveal any anomalies that would have precluded normal operation. Examination of the propellers indicated that the front engine was operating in the normal range at impact; however, the rear engine was producing little or no power, and had not been feathered. Performance calculations using the atmospheric conditions existing at the time and the estimated gross weight of the airplane indicated that with the rear engine inoperative and the landing gear extended, the airplane was not capable of climbing or maintaining level flight. A windmilling propeller would have greatly exacerbated the performance deficiency.




The National Transportation Safety Board determines the probable cause(s) of this accident to be:

A loss of power in the rear engine for undermined reasons. Contributing to the accident was the pilot's failure to promptly and correctly configure the airplane for single engine flight, and to maintain an adequate airspeed, which resulted in a stall mush.

Full narrative available

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