NTSB Identification: MIA90FA145.
The docket is stored on NTSB microfiche number 42914.
Nonscheduled 14 CFR
Accident occurred Tuesday, June 26, 1990 in PANAMA CITY, FL
Probable Cause Approval Date: 12/14/1992
Aircraft: PIPER PA-31, registration: N18PA
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.

WITNESSES DESCRIBED THE TAKEOFF AS A LONG GROUND ROLL, SLOW CLIMB, AND ENGINES NOT SOUNDING NORMAL. THE AIRPLANE THEN SETTLED INTO TREES. TEARDOWN OF THE LEFT ENGINE REVEALED WATER PRESENT IN THE FUEL INJECTOR LINES OF #1, #3 AND #5 CYLS. #3 NOZZLE PLUGGED. INTAKE VALVES DARK & SOOTY. PISTONS 1, 3 AND 5 HAD CONSIDERABLE AMOUNTS OF DARK CARBON DEPOSITS. TEARDOWN OF RIGHT ENGINE REVEALED EXTENSIVE CARBON BUILDUPS THROUGHOUT. AN ENGINE TEST RUN WAS PERFORMED BY THE DIRECTOR OF MAINTENANCE DAY BEFORE ACCIDENT. PERSONNEL FORMERLY EMPLOYED BY THE OPERATOR PROVIDED WRITTEN STATEMENTS OF ALLEGATIONS PERTAINING TO THE GENERAL CONDITION OF COMPANY AIRPLANES, FALSIFICATION OF MAINTENANCE RECORDS, AND IMPROPER MAINTANANCE PROCEDURES BEING PERFORMED ON COMPANY AIRPLANES.

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

A LOSS OF POWER ON BOTH ENGINES DURING TAKEOFF AS A RESULT OF INADEQUATE MAINTENANCE. IN ADDITION, THE PILOT FAILED TO ABORT THE TAKEOFF.

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