LUKA, MS, USA
N74107
GRUMMAN AA5-B
DURING NORMAL CRUISE FLIGHT THE NUMBER ONE CYLINDER EXHAUST VALVE HEAD SEPARATED FROM THE VALVE STEM CAUSING A SIGNIFICANT POWER LOSS. THE PILOT SET UP A LANDING APPROACH TO A FARM FIELD. ON FINAL APPROACH THE PILOT NOTICED THAT ROUGH AND RISING TERRAIN EXISTED IN THE FIELD. DURING A SLIGHT RIGHT TURN AT 10 FT ABOVE THE GROUND THE WING CAUGHTIN SOME WEEDS AND THE ACFT GROUND LOOPED. THE REASON FOR THE EXAUST VALVE HEAD SEPARATION COULD NOT BE DETERMINED.
Source: NTSB Aviation Accident Database
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