NTSB Identification: MIA91LA214.
The docket is stored on NTSB microfiche number 44418.
Accident occurred Monday, September 02, 1991 in DE FUNIAK SPGS, FL
Probable Cause Approval Date: 02/08/1993
Aircraft: RYAN NAVION A, registration: N5103K
Injuries: 1 Serious.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

ENGINE QUIT WHILE PILOT WAS REDUCING POWER SHORTLY AFTER TAKEOFF. WHILE MANUEVERING FOR A FORCED LANDING THE AIRCRAFT STRUCK A TREE AND THEN COLLIDED WITH THE GROUND WHERE IT CAME TO REST UPRIGHT. POST CRASH EXAMINATION OF THE AIRCRAFT AND ENGINE REVEALED NO EVIDENCE TO INDICATE PRECRASH FAILURE OR MALFUNCTION OF THE ENGINE ASSEMBLY AND ACCESSORIES OR THE AIRCRAFT FUEL SYSTEM. NO EVIDENCE OF FUEL CONTAMINATION WAS FOUND. THE CAUSE FOR THE ENGINE FAILURE COULD NOT BE DETERMINED. THE PILOT STATED HE WAS NOT USING THE ELECTRIC FUEL BOOST PUMP AS CALLED FOR IN THE AIRCRAFT OPERATING CHECKLIST FOR TAKEOFF AND DID NOT TURN IT ON AFTER THE ENGINE FAILURE.

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

THE LOSS OF ENGINE POWER FOR UNDETERMINED REASONS WHICH RESULTED IN AN INFLIGHT COLLISION WITH A TREE AND THE GROUND DURING THE SUBSEQUENT FORCED LANDING.

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