NTSB Identification: MIA86LA209.
The docket is stored on NTSB microfiche number 31021.
Accident occurred Monday, July 14, 1986 in MARATHON, FL
Aircraft: PIPER PA-28R-200, registration: N9306N
Injuries: 2 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.

FLIGHT EXPERIENCED LOSS OF ENGINE OIL AND SUBSEQUENT SEIZING OF THE ENGINE AT WHICH TIME THE AIRCRAFT WAS DITCHED IN THE GULF OF MEXICO. POST CRASH EXAMINATION OF THE ENGINE REVEALED THE OIL LINE FROM THE PROPELLER GOVENOR TO THE ENGINE NOSE CASE HAD FAILED IN FATIGUE AT A BEND. TWO REQUIRED SUPPORT CLAMPS FOR THIS LINE WERE NOT INSTALLED. THE LINE HAD BEEN CHANGED 8 FLIGHT HOURS BEFORE THE FAILURE.

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

LUBRICATING SYSTEM,OIL LINE..FATIGUE

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

MAINTENANCE,REPLACEMENT..IMPROPER..OTHER MAINTENANCE PERSONNEL

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

LUBRICATING SYSTEM,OIL LINE..LEAK

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

FLUID,OIL..LOSS,TOTAL


Contributing Factors

ENGINE ASSEMBLY,CONNECTING ROD..DISCONNECTED



Contributing Factors

ENGINE ASSEMBLY..JAMMED

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