NTSB Identification: ANC82FAA07
14 CFR Part 91: General Aviation
Accident occurred Friday, July 02, 1982 in FAIRBANKS, AK
Probable Cause Approval Date: 07/02/1983
Aircraft: MAULE M-5, registration: N6172M
Injuries: 2 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.

EARLIER IN THE DAY THE PLT RETURNED FROM A FLT AFTER EXPERIENCING A ROUGH RUNNING ENG & CHANGED THE SPARK PLUGS. THE ACFT AGAIN DEPARTED THE CHENA MARINA ARPT. WITNESSES OBSERVED THE ACFT LEVEL OFF APPROXIMATELY 300 TO 350 FT AGL. ONE WITNESS OBSERVED THE ACFT PITCHING UP & DOWN ERRACTICALLY AS IT LEVELED OFF. THE ACFT THEN ENTERED A RIGHT BANK & WAS ROLLING OUT AFTER A 90 DEG HEADING CHANGE WHEN THE ENG SPUTTERED & QUIT. THE NOSE OF THE ACFT DROPPED & THE ACFT FELL IN A NEARLY VERTICAL ATTITUDE. ENG EXAMINATION REVEALED EVIDENCE OF WATER & RUST CONTAMINATION IN THE CARBURETOR & FUEL PUMP. IT IS ESTIMATED THAT THE ACFT WAS 379 POUNDS OVER MAX GROSS WEIGHT & THE AFT CG EXCEEDED BY 1.3 INCHES.

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

FUEL SYSTEM,CARBURETOR..CONTAMINATION

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

FUEL SYSTEM,CARBURETOR..WATER

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

FUEL SYSTEM,PUMP..CONTAMINATION

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

FUEL SYSTEM,PUMP..WATER

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

AIRSPEED..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

PREFLIGHT PLANNING/PREPARATION..INADEQUATE..PILOT IN COMMAND


Contributing Factors

AIRCRAFT WEIGHT AND BALANCE..EXCEEDED..PILOT IN COMMAND

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