NTSB Identification: NYC86FA213.
The docket is stored on NTSB microfiche number 35355.
Accident occurred Friday, August 15, 1986 in WEST MIFFLIN, PA
Probable Cause Approval Date: 08/11/1988
Aircraft: PIPER PA-46-310P, registration: N27EE
Injuries: 2 Fatal,2 Serious.

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.

AT 2232 EDT, THE ACFT WAS CLIMBING TO 15000 FEET WHEN THE PILOT REPORTED A LOW OIL PRESSURE LIGHT. ATC ADVISED JIMMY STEWART FIELD IS ABOUT ELEVEN THIRTY AND 15 MILES. AFTER THE PILOT ASKED, 'IS THAT A TOWER FIELD?', ATC ADVISED HE DID NOT KNOW, WESTMORELAND COUNTY IS AT TWO O'CLOCK AND ABOUT 15 MILES, TURN RIGHT 180 DEGREES, DESCEND AND MAINTAIN 4000 FEET. AT 2233 EDT, ATC SAID THAT THEY BELIEVE WESTMORELAND COUNTY TOWER IS CLOSED DOWN. THE PILOT SAID THAT HE WAS THINKING OF WHERE HE SHOULD GO AND ATC ADVISED PITTSBURGH'S 35 MILES AWAY IF YOU CAN MAKE THAT. AT 2234:35 EDT, THE ACFT WAS RETURNING TO PITTSBURGH WHEN THE PILOT REPORTED ZERO OIL PRESSURE AND AN OIL LIGHT. AT 2237:27 EDT, THE PILOT REPORTED AN EMERGENCY. FLT WAS CLEARED TO ALLEGHENY CO ARPT & ADVISED MONROEVILLE ARPT 230 HDG & 5 MI. THE ACFT CRASHED AT 2247 EDT. THE INVESTIGATION SHOWED A LOOSE FLANGE NUT ON LEFT TURBO CHARGER FEED LINE FINGER TIGHT. TEST PRODUCED A STEADY LEAK. AT SITE OIL COVERED BOTTOM OF FUSELAGE AND EMPENNAGE.

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

LUBRICATING SYSTEM,OIL TUBING..LOOSE

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

IN-FLIGHT PLANNING/DECISION..POOR..PILOT IN COMMAND

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

MAINTENANCE..INADEQUATE..OTHER MAINTENANCE PERSONNEL

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

FLUID,OIL..EXHAUSTION

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

ENGINE ASSEMBLY..FAILURE,PARTIAL


Contributing Factors

EMERGENCY PROCEDURE..DELAYED..PILOT IN COMMAND

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