NTSB Identification: ATL88FA186.
The docket is stored on NTSB microfiche number 37373.
Nonscheduled 14 CFR
Accident occurred Wednesday, May 25, 1988 in WEST COLUMBIA, SC
Probable Cause Approval Date: 12/06/1989
Aircraft: CESSNA 402B, registration: N8493A
Injuries: 1 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 AIRPLANE USED ABOUT 1/2 OF THE 8,602 FT RWY FOR THE T/O ROLL. AFTER T/O IT PITCHED NOSE-DOWN BRIEFLY OVER THE RWY DURING INIT CLIMB. THE PLT RADIOED THAT HE WAS HAVING A PROBLEM WITH THE ELEVATOR WHICH REQUIRED 'FULL BACK PRESSURE' TO KEEP THE NOSE UP, AND THAT HE WAS RETURNING TO LAND. AFTER MANEUVERING AROUND THE ARPT, THE ACFT PITCHED 70-80 DEG NOSE DN AND DOVE INTO TERRAIN OFF THE APPCH END OF THE RWY. THE WRECKAGE EXAM REVEALED THAT THE BOLT SECURING THE ELEVATOR TRIM TAB PUSHROD TO THE ACTUATOR WAS MISSING. THE ROD HAD BECOME WEDGED INSIDE THE ELEVATOR WHICH RESULTED IN AN EXTREME TAB UP (NOSE DN) CONDITION. THE ACFT UNDERWENT AN ANNUAL INSP 2 DAYS/5 FLT HRS EARLIER. THE IA MECH RPTD THAT NO MAINT WAS PERFORMED ON THE TAB SYS, AND THAT HE WAS CERTAIN THE BOLT WAS PROPERLY SAFETIED. ANOTHER PLT WHO FLEW THE ACFT THE DAY OF THE ACCIDENT RPTD THAT HE FOUND THE PUSHROD TO BE SECURE DURING HIS PREFLT INSP. THE 402B POH INDICATED THAT THE ACFT SHOULD HAVE REQ ABOUT 1,200 FT FOR THE T/O GROUND ROLL.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FLT CONTROL SYST,ELEVATOR TRIM/TAB CONTROL..DISCONNECTED
The National Transportation Safety Board determines the probable cause(s) of this accident to be:AIRCRAFT PREFLIGHT..INADEQUATE..PILOT IN COMMAND
The National Transportation Safety Board determines the probable cause(s) of this accident to be:FLIGHT CONTROL,ELEVATOR TAB..JAMMED
ABORTED TAKEOFF..NOT PERFORMED..PILOT IN COMMAND
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