PLT DEPARTED RWY 18L AND SHORTLY THEREAFTER REPORTED TO THE TOWER THAT HE HAD A STUCK TRIM. THE PLT WAS CLEARED TO LAND ON RWY 18R. WITNESSES OBSERVED THE ACFT DESCEND RAPIDLY ON DOWNWIND TO APPROX 300 TO 500 FT AGL AND MAKE A STEEP (90 TO 120 DEGREE) RIGHT BANK TURN. THE NOSE OF THE ACFT CAME UP TO THE HORIZON AFTER THE TURN, JUST PRIOR TO GND IMPACT. THE PURPOSE OF THE FLT WAS TO REPOSITION THE ACFT FOR BANK COURIER FLIGHTS. EXAM OF THE TRIM SYSTEM REVEALED DISCONNECTED AND DETERIORATED WIRING AND OTHER ELECTRIC MECHANICAL PROBLEMS. THE MANUAL TRIM HANDLE WAS FOUND SEPARATED FROM ITS PROPER MOUNT POSITION.

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

Contributing Factors

FLT CONTROL SYST,STABILATOR TRIM..DISCONNECTED
ELECTRICAL SYSTEM,ELECTRIC WIRING..DETERIORATED
MAINTENANCE,100-HOUR INSPECTION..INADEQUATE..COMPANY MAINTENANCE PERSONNEL
STABILATOR TRIM..NOT CORRECTED..COMPANY MAINTENANCE PERSONNEL

Index for May1984 | Index of months