NTSB Identification: ANC87LA010.
The docket is stored on NTSB microfiche number 33070.
Accident occurred Friday, October 24, 1986 in UNALAKLEET, AK
Aircraft: TAYLORCRAFT BC-12D, registration: N95248
Injuries: 1 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 PRIVATE PILOT WITH 14 HOURS EXPERIENCE IN THIS AIRPLANE DID NOT RECOGNIZE THAT THE CARBURETOR HEAT CONTROL WAS NOT FUNCTIONING PROPERLY. HE DID NOT RECALL DRAINING THE AIRPLANE'S FUEL SUMPS AFTER REFUELING FROM EXPOSED FUEL TANKS PRIOR TO TAKEOFF. CARBURETOR ICE AND PARTICULATE MATTER AND WATER COULD HAVE DEROGATED ENGINE PERFORMANCE. AFTER PWR LOSS DURING INITIAL CLIMB THE PLT WAS UNABLE TO RETURN TO THE ARPT AND LANDED OFF SHORE IN WATER. AFTER RECOVERY THE ENG WA OPERATED. THE DAY OF THE ACC HAD WX COND. FOR CARB ICE.

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

CARBURETOR HEAT CONTROL,CABLE/PUSH-PULL ROD..DISCONNECTED

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

FUEL SUPPLY..IMPROPER..PILOT IN COMMAND

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

FUEL SYSTEM..CONTAMINATION

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

CARBURETOR HEAT..ATTEMPTED..PILOT IN COMMAND

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

FUEL SYSTEM..WATER

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

AIRCRAFT PREFLIGHT..INADEQUATE..PILOT IN COMMAND


Contributing Factors

LACK OF TOTAL EXPERIENCE..PILOT IN COMMAND


Contributing Factors

MANEUVER..MISJUDGED..PILOT IN COMMAND


Contributing Factors

EMERGENCY PROCEDURE..DELAYED..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..CARBURETOR ICING CONDITIONS

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