NTSB Identification: ATL85LA158.
The docket is stored on NTSB microfiche number 27835.
Accident occurred Saturday, May 11, 1985 in GREENVILLE, AL
Aircraft: GREAT LAKES 2T-1A-2, registration: N477M
Injuries: 1 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 STATED THAT HE MADE A NORMAL APCH FOR A FULL STOP, 3-POINT LANDING. DURING THE LANDING ROLL, THE ACFT BEGAN TO VIBRATE & SHAKE LATERALLY. THE PLT REPORTED THAT THE VIBRATION WAS CAUSED BY A TAIL WHEEL SHIMMY, BUT AT FIRST, HE DID NOT REALIZE WHAT CAUSED THE SHAKING. THE ACFT BEGAN DRIFTING, BUT IT WAS TOO SLOW FOR RUDDER EFFECTIVENSS, SO THE PLT USED DIFFERENTIAL BRAKING. THE ACFT THEN SWERVED OFF THE RWY & FLIPPED OVER. AN EXAM & DISASSEMBLY OF THE TAILWHEEL DID NOT REVEAL ANY MECHANICAL FAILURE OR MALFUNCTION.

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

DIRECTIONAL CONTROL..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

LANDING GEAR,TAILWHEEL..UNLOCKED

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