NTSB Identification: SEA96LA059.
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Accident occurred Sunday, February 18, 1996 in SPANAWAY, WA
Probable Cause Approval Date: 12/10/1996
Aircraft: Piper PA-23-150, registration: N2237P
Injuries: 2 Uninjured.
NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.
The pilot attempted a landing on a wet, 1,600-foot-long runway. Performance charts from an owner's manual for the aircraft type indicated a nominal landing distance of approximately 600 to 680 feet depending on gross weight. The pilot stated that the aircraft 'continued at [the] same speed with little or no slowing' upon application of wheel brakes, and that 'as [the] end of [the] runway...approached [he] could not see what lay past [the] end of [the] runway.' The pilot stated that he then 'exited [the] paved runway onto grass with hopes of slowing [and] stopping [the aircraft] over a greater distance.' After the pilot departed the pavement, the aircraft went over an embankment after slowing to approximately 10 MPH and collided with trees. Aerial imagery of the airport in a state airport directory and photos taken by on-scene investigators showed a 600-foot-long overrun area beyond the end of the runway; however, the overrun was not visible from the runway due to the slope of the terrain.
The National Transportation Safety Board determines the probable cause(s) of this accident to be: failure of the pilot to use all available runway, including the overrun area, to stop the airplane. Factors relating to the accident were: the wet runway, and the pilot's inability to see the overrun from the runway due to the sloping terrain. Full narrative available
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