NTSB Identification: NYC83LA155.
The docket is stored on NTSB microfiche number 21290.
Accident occurred Sunday, June 26, 1983 in BLOCK ISLAND, RI
Aircraft: CESSNA TU-206G, registration: N9858Z
Injuries: 1 Minor,2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE FLOAT ACFT NOSED OVER DURING TAXI FOR TAKEOFF. THE PILOT HAD PICKED UP THIS ACFT 2 DAYS BEFORE IN FARMINGDALE NY WHERE A SET OF FLOATS HAD BEEN INSTALLED. HE FLEW TO BLOCK ISLAND TO PICK UP 4 PASSENGERS AND BAGGAGE. DURING DOWNWIND TAXI FOR TAKEOFF POSITION THE ACFT WAS TAKING WATER OVER THE FRONT OF THE FLOATS. DURING TAKEOFF RUN THE PILOT SAID THE ACFT FELT HEAVY SO HE ABORTED. ONE PASSENGER AND ALL BAGGAGE WAS TAKEN OFF FOR A 2ND TAKEOFF ATTEMPT WHICH HAD SIMILIAR RESULTS. A 2ND PASSENGER WAS DEPLANED AND THE ACFT SEEMED TO BE FLOATING BETTER. DURING TAXI AT 5 TO 10 KTS WITH A 5 TO 8 KT TAILWIND THE FLOATS STARTED TO GO UNDER AND BEFORE THE PILOT COULD STOP THE ACFT THE FLOATS TUCKED UNDER AND THE ACFT NOSED OVER. ALL 3 OCCUPANTS EVACUATED WITH NO INJURIES BEFORE THE ACFT SANK.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

AIRCRAFT PREFLIGHT..IMPROPER..PILOT IN COMMAND


Contributing Factors

LANDING GEAR,FLOAT ASSEMBLY..LEAK

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