NTSB Identification: SEA08LA120
14 CFR Part 91: General Aviation
Accident occurred Friday, May 02, 2008 in Vancouver, WA
Probable Cause Approval Date: 08/28/2008
Aircraft: Yakovlev Yak 52, registration: N62813
Injuries: 2 Fatal.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

Witnesses located near the accident reported seeing the airplane takeoff, make a 180 degree turn, and fly down the runway at an altitude of about 30 feet above ground level (agl). As the airplane crossed the end of the runway, it pitched upwards into a steep climb, and the pilot did an aileron roll to the right, about 200 feet agl. The witness said that at the completion of the roll, the airplane appeared to be in a level attitude when a slight movement was observed, "as if it hit turbulence." The airplane subsequently descended in a nose-low attitude, eventually descending below a tree line. Examination of the airplane revealed no anomalies with the engine or airframe that would have precluded normal operation.

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

The pilot's failure to maintain an airspeed sufficient to avoid a stall during a low altitude aerobatic maneuver. Contributing to the accident was the low altitude at which the pilot initiated the maneuver.

Full narrative available

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