What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Pilot took off from hwo. During flight the engine quit running at approximately 1100 ft. enroute to Miami beach over star island. Pilot released banner radioed mayday and ditched aircraft into biscayne bay. During the investigation it was discovered that the main crankshaft gear sheared during flight which caused the magnetos to stop rotation causeing no spark to the engine.
As the FAA filed it
PILOT TOOK OFF FROM HWO. DURING FLIGHT THE ENGINE QUIT RUNNING AT APPROXIMATELY 1100 FT. ENROUTE TO MIAMI BEACH OVER STAR ISLAND. PILOT RELEASED BANNER RADIOED MAYDAY AND DITCHED AIRCRAFT INTO BISCAYNE BAY. DURING THE INVESTIGATION IT WAS DISCOVERED THAT THE MAIN CRANKSHAFT GEAR SHEARED DURING FLIGHT WHICH CAUSED THE MAGNETOS TO STOP ROTATION CAUSEING NO SPARK TO THE ENGINE.