NTSB Identification: MIA95FA141.
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Accident occurred Thursday, June 01, 1995 in OPA-LOCKA, FL
Probable Cause Approval Date: 04/01/1996
Aircraft: PIPER PA-23-250, registration: N5832Y
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.

THE AIRPLANE HAD BEEN PARKED AT LEAST 16 DAYS WITH THE INBOARD FUEL TANKS ABOUT 1/3 FULL BEFORE BEING FILLED THE DAY OF THE ACCIDENT. AFTER DEPARTING, THE FLIGHT RETURNED REPORTING THAT THE FLAPS WERE NOT OPERATIONAL AND THE LANDING GEAR WOULD NOT RETRACT. A MECHANIC WHO HAD RECENTLY WORKED ON THE HYDRAULIC SYSTEM OPERATIONALLY CHECKED THE FLAPS MORE THAN 10 TIMES WITH NO DISCREPENCIES NOTED. THE AIRPLANE WAS NOT PLACED ON JACKS FOR AN OPERATIONAL TEST OF THE LANDING GEAR. THE FLIGHT DEPARTED, AND DURING INITIAL CLIMB THE PILOT ADVISED THE ATC CONTROLLER OF A ROUGH RUNNING ENGINE. THE AIRPLANE WAS OBSERVED TO BANK LEFT, PITCH NOSE DOWN, AND IMPACT THE GROUND. WATER WAS DETECTED AT THE FUEL INJECTOR NOZZLES AND FUEL MANIFOLD ASSEMBLY OF SEVERAL CYLINDERS OF THE LEFT ENGINE. NO EVIDENCE OF WATER CONTAMINATION WAS FOUND BY OPERATORS OF OTHER AIRPLANES FUELED FROM THE SAME SOURCE. POSTACCIDENT EXAMINATION REVEALED THAT THE LEFT PROPELLER WAS NOT FEATHERED, THE FLAPS WERE PARTIALLY EXTENDED AND THE LANDING GEAR WAS FULLY EXTENDED.

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

A LOSS OF ENGINE POWER DUE TO WATER CONTAMINATION OF THE FUEL, THE PILOT'S INADEQUATE PREFLIGHT, AND HIS INTENTIONAL OPERATION OF THE AIRPLANE WITH KNOWN DEFICIENCIES IN EQUIPMENT WHICH RESULTED IN AN INADVERTENT STALL AT AN ALTITUDE INADEQUATE FOR RECOVERY. FACTORS WHICH CONTRIBUTED TO THE ACCIDENT WERE: THE PILOT'S LACK OF RECENT EXPERIENCE IN THE AIRPLANE AND HIS SELF-INDUCED PRESSURE TO ACCOMPLISH THE FLIGHT.

Full narrative available

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