Aviation Accident Summaries

Aviation Accident Summary ATL91LA162

MONROE, GA, USA

Aircraft #1

N9HE

HAROLD J. EAGEN PITTS SPECIAL S-1C

Analysis

THE PRIVATE PILOT WAS FLYING THE NEWLY PURCHASED HOMBEBUILT AIRPLANE WHEN THE ENGINE BEGAN TO RUN ROUGHLY. THIS ENGINE ROUGHNESS COINCIDED WITH SWITCHING FUEL TANKS. HE LANDED AND HAD SOME FRIENDS CHECK THE AIRPLANE; IT WAS THEN ASSUMED THAT OLD FUEL STILL REMAINED IN THE UPPER FUEL TANK. AFTER A LOCAL 'TEST FLIGHT', HE DECIDED TO CONTINUE THE TRIP USING THE LOWER TANK ONLY. SHORTLY AFTER TAKEOFF, HE REPORTED THAT THE ENGINE WAS 'DETONATING'. HE WAS OBSERVED ON SHORT FINAL AT A NEARBY AIRPORT, THEN HE WAS OBSERVED EXECUTING A GO-AROUND. THE AIRPLANE THEN DESCENDED INTO NEARBY TREES, CRASHED, AND BURNED. INSPECTION OF THE WRECKAGE REVEALED WATER AND CORROSION IN THE AIRCRAFT FUEL SYSTEM. THE AIRPLANE, WHICH WAS ABOUT 10-YEARS-OLD, HAD A TOTAL FLIGHT TIME OF 46 HOURS. REPORTEDLY, IT WAS STORED FOR SEVERAL YEARS PRIOR TO THE PURCHASE.

Probable Cause and Findings

CONTAMINATION AND WATER EXISTING IN THE FUEL SYSTEM WHICH RESULTED IN ENGINE STOPPAGE AND THE PILOT'S CONTINUED FLIGHT WITH A KNOWN AIRCRAFT DEFICIENCY.

 

Source: NTSB Aviation Accident Database

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