Wilder, ID, USA
N4133S
BEECH F33A
On August 20, 2022, about 1800 mountain daylight time, a Beech F33A, N4133S was substantially damaged when it was involved in an accident near Wilder, Idaho. The pilot and passenger sustained minor injuries. The airplane was operated as a Title 14 Code of Federal Regulations Part 91 personal flight. The pilot and a mechanic had been performing maintenance, attempting to resolve a problem where the engine would intermittently shudder during flight. After checking the cylinder compression, replacing a set of spark plugs, cleaning the fuel injectors, and confirming the engine timing, they decided to perform a test flight. The engine runup and takeoff were uneventful, and during climb out they monitored the engine instrument gauges, and all indicated nominal values. A short time later, the engine shook violently, and stopped producing power. They performed a forced landing into a field, and the airplane sustained damage to the lower forward fuselage and both wings. Preliminary examination of the engine revealed a large hole in the upper rear section of the crankcase, just below both magnetos.
Source: NTSB Aviation Accident Database
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