NORTH LITTLE RO, AR, USA
N60246
CESSNA 150J
AFTER A RIGHT TURN AFTER TAKEOFF FROM RWY 17 THE PLT DECLARED AN EMERGENCY. A WITNESS HEARD THE ENG BACKFIRING. THE PLT CONTINUED THE RIGHT TURN & ATTEMPTED A LANDING ON RWY 35. HE WAS DESCRIBED AS BEING TOO HIGH & HOT, & TOUCHED DOWN, OR ALMOST TOUCHED DOWN, NEAR THE DEPARTURE END OF THE RWY. HE MADE A GO-AROUND WITH FULL FLAPS EXTENDED & JUST CLEARED TREES AT THE NORTH END OF RWY 35. HIS MANEUVERS IMMEDIATELY PRIOR TO THE CRASH WERE DESCRIBED IN TERMS OF A SPIN. BOTH MAGNETOES WERE DISASSEMBLED & CONTAINED AN ABNORMAL AMOUNT OF GREASE & OIL. THE RIGHT MAGNETO'S HIGH VOLTAGE CONTACT FINGER OF THE DISTRIBUTOR WAS COATED WITH GREASE & OIL AT THE CONTACT POINT. THE EXHAUST VALVE OF THE #3 CYLINDER WAS STUCK. THE #3 CYLINDER TOP SPARK PLUG WAS NOT OPERATING.
Source: NTSB Aviation Accident Database
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