NTSB Identification: LAX83FA055
14 CFR Part 91: General Aviation
Accident occurred Thursday, December 09, 1982 in 500 NM E, HONOL, HI
Probable Cause Approval Date: 12/09/1983
Aircraft: PIPER PA-31-350, registration: N74957
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 ACFT DEPARTED OAKLAND, CA AT 1733 PST ON A NIGHT FLIGHT TO HONOLULU, HI. THE FLT PROCEEDED WITHOUT INCIDENT UNTIL APRX 0050 PST WHEN THE PLT ADVISED THAT THE LEFT ENG WAS SLOWLY LOSING OIL PRESSURE. AT THAT TIME, THE ACFT WAS AT AN ALT OF 6000 FT. AT 0205, THE PLT REPORTED HE SHUT DOWN THE ENG & WAS UNABLE TO MAINTAIN 6000 FT. A DESCENT WAS STARTED. IN HIS LAST TRANSMISSION AT 0228 PST, THE PLT REPORTED THAT HE WAS AT 500 FT, BARELY MAINTAINING ALT. RADIO CONTACT WAS LOST WHEN THE ACFT WAS APRX 500 MI EAST OF HONOLULU. AT 1559, THE CREW OF A SEARCH ACFT SIGHTED FLOATING DEBRIS & 1 BODY FLOATING IN THAT AREA. A MARKER BUOY WAS DEPLOYED, BUT NO RECOVERY WAS ACCOMPLISH. THE ACFT WAS PRESUMED TO HAVE BEEN DESTROYED & BOTH OCCUPANTS WERE PRESUMED TO HAVE BEEN FATALLY INJURED. THE ACFT CRASHED IN MODERATE SEA CONDITIONS WITH WAVES HEIGHTS ESTIMATED AT 3 TO 5 FT.

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

REASON FOR OCCURRENCE UNDETERMINED


Contributing Factors

FLUID,OIL..PRESSURE TOO LOW



Contributing Factors

LIGHT CONDITION..NIGHT


Contributing Factors

TERRAIN CONDITION..WATER,ROUGH

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