NTSB Identification: ATL87LA144.
The docket is stored on NTSB microfiche number 34043.
Accident occurred Saturday, April 25, 1987 in SUMTER, SC
Probable Cause Approval Date: 05/27/1988
Aircraft: SPARTAN 7W, registration: N13PH
Injuries: 2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE PLT REPORTED THAT THE AIRPLANE BEGAN TO TURN TO THE LEFT AFTER LDG WHEN THE TAILWHEEL TOUCHED DOWN; SUBSEQUENT EFFORTS TO COUNTERACT THE TURN WERE NOT SUCCESSFUL. THE AIRPLANE RAN OFF THE SIDE OF THE RWY AND HIT A DEPRESSION IN THE TERRAIN, COLLAPSING THE MAIN LDG GEAR. THE WIND AT THE TIME WAS REPORTEDLY CALM. POST-ACCIDENT EXAMINATION OF THE AIRPLANE BY AN FAA AIRWORTHINESS INSPECTOR REVEALED NO EVIDENCE OF ANY PRE-EXISTING MECHANICAL MALFUNCTION OR FAILURE.

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

DIRECTIONAL CONTROL..NOT MAINTAINED..PILOT IN COMMAND

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

GROUND LOOP/SWERVE..UNCONTROLLED..PILOT IN COMMAND


Contributing Factors

TERRAIN CONDITION..ROUGH/UNEVEN

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