NTSB Identification: MIA88LA208.
The docket is stored on NTSB microfiche number 36440.
Accident occurred Monday, June 27, 1988 in DAVISVILLE, FL
Probable Cause Approval Date: 06/09/1989
Aircraft: CESSNA 150M, registration: N704MN
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.

ACFT'S ENGINE HAD OVER 200 RPM DROP ON ONE MAGNETO DURING RUNUP. PLT ATTEMPTED TO TAKEOFF WITH THE ENGINE RUNNING ROUGH. AFTER LIFTOFF THE ENGINE BEGAN TO BACKFIRE AND LOSE POWER. THE PLT STATED HE THEN APPLIED CARBURETOR HEAT AND PUMPED THE ENGINE PRIMER. SHORTLY AFTER THIS THE ENGINE QUIT COMPLETELY. WITNESSES STATED THAT SHORTLY AFTER THE ENGINE BEGAN TO BACKFIRE AND LOSE POWER IT BEGAN TO PUFF HEAVY BLACK SMOKE. SHORTLY AFTER THIS THE ENGINE QUIT COMPLETELY. THE CAUSE FOR THE ROUGH RUNNING ENGINE AND INITIAL LOSS OF POWER COULD NOT BE FOUND AFTER THE ACCIDENT. THE AIRCRAFT WAS BEING OPERATED ON AUTOGAS AND THE AIRCRAFT'S LOGBOOK SHOWED NO INDICATION THAT AN STC HAD BEEN COMPLIED WITH ALLOWING USE OF AUTOGAS. THE ACFT NOSED OVER DURING THE FORCED LNDG.

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

OPERATION WITH KNOWN DEFICIENCIES IN EQUIPMENT..PERFORMED..PILOT IN COMMAND

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

FLUID,FUEL..STARVATION

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

FLUID,FUEL GRADE..IMPROPER

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

FUEL SYSTEM..OVERTEMPERATURE



Contributing Factors

MAINTENANCE..NOT PERFORMED..PILOT IN COMMAND


Contributing Factors

AIRCRAFT PREFLIGHT..INADEQUATE..PILOT IN COMMAND

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