NTSB Identification: ANC85FA111.
The docket is stored on NTSB microfiche number 30225.
Accident occurred Saturday, June 29, 1985 in CHUGIAK, AK
Aircraft: PIPER PA-12, registration: N3081M
Injuries: 3 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE ACFT CRASHED IN A WOODED RESIDENTIAL AREA FOLLOWING A LOSS OF PWR ON TAKEOFF. POST ACCIDENT INSPECTION OF THE AIRFRAME AND POWERPLANT DISCLOSED AUTOMOTIVE FUEL WAS BEING USED IN THE ACFT. LAB TESTS INDICATED THE FUEL WAS SUBJECTEDTO HIGH TEMPS WHICH EVAPORATED APRX 50% OF THE FUEL LEAVING ONLY ADDITIVES. INSPECTION OF THE CARBURETOR REVEALED IT WAS EQUIPPED WITH A MOLDED CELLULAR FIBRE FLOAT. TESTS ON THE FLOAT SHOWED IT WAS ABLE TO AND APPARENTLY ABSORBED FUEL AND AS A RESULT IT SANK.

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

FLUID,FUEL..IMPROPER

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

AIRSPEED(VS)..BELOW..PILOT IN COMMAND

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

STALL/SPIN..INADVERTENT..PILOT IN COMMAND

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

REFUELING..IMPROPER..PILOT IN COMMAND

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

FUEL SYSTEM,CARBURETOR..OTHER

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

MAINTENANCE,REPLACEMENT..NOT OBTAINED..OTHER MAINTENANCE PERSONNEL

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