PANAMA CITY BCH, FL, USA
N4253A
BELL 47D1
THE HELICOPTER CONTACTED A FENCE AND SLID NOSE DOWN INTO A RAVINE DURING A FORCED LANDING. THE PLT REPORTED THAT AFTER TAKEOFF AT AN ALT OF 35 TO 40 FT AGL, A LOAD BANG WAS HEARD AND GRAY/WHITE SMOKE WAS EMITTED FROM THE TRANSMISSION/ENG AREA. THE THROTTLE WAS ROLLED OFF AND COLLECTIVE LOWERED FOR THE FORCED LANDING. POST ACCIDENT INSPECTION OF THE ENG REVEALED 11 SPARK PLUGS WERE MISFIRING AND THE RIGHT MAGNETO 'P' LEAD HAD SHORTED OUT ON THE ENG CASE.
Source: NTSB Aviation Accident Database
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