NTSB Identification: MIA87LA167.
The docket is stored on NTSB microfiche number 33521.
Accident occurred Sunday, May 31, 1987 in DEFUNIAK SPRING, FL
Probable Cause Approval Date: 05/09/1988
Aircraft: NORTH AMERICAN NAVION, registration: N4007K
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 PLT REPORTED THAT AFTER TAKEOFF, AT APRX 500 FT, THE ENG LOST POWER. HE THEN TURNED ON THE ELECTRIC FUEL PUMP IN AN ATTEMPT TO RESTORE IT. UNABLE, HE THEN ELECTED TO LAND THE ACFT, DURING WHICH, IT COLLIDED WITH TREES, FELL TO THE GROUND & CAME TO REST. INSP OF THE ACFT REVEALED THAT THE FUEL TANKS CONTAINED APRX 40 GALLONS OF FUEL, OF WHICH 30 WAS AUTOMOTIVE FUEL. ACCORDING TO PUBLISHED FAA INFORMATION THE USE OF AUTOMOTIVE FUEL MAY CAUSE VAPOR LOCK. POST CRASH RUN-UP OF THE ENG REVEALED NO EVIDENCE OF PRE-IMPACT FAILURE OR MALFUNCTION.

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

REASON FOR OCCURRENCE UNDETERMINED



Contributing Factors

FLUID,FUEL GRADE..IMPROPER


Contributing Factors

PROCEDURES/DIRECTIVES..NOT FOLLOWED..PILOT IN COMMAND


Contributing Factors

FUEL BOOST PUMP SELECTOR POSITION..IMPROPER USE OF..PILOT IN COMMAND

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