Monday, May 23, 2016

Piper PA-18A 150 Super Cub, N7367D: Accident occurred May 20, 2016 in Westminster, Carroll County, Maryland

FAA Flight Standards District Office: FAA Baltimore FSDO-07

NTSB Identification: GAA16CA262
14 CFR Part 91: General Aviation
Accident occurred Friday, May 20, 2016 in Westminster, MD
Probable Cause Approval Date: 08/31/2016
Aircraft: PIPER PA 18A, registration: N7367D
Injuries: 2 Uninjured.

NTSB investigators used data provided by various entities, including, but not limited to, the Federal Aviation Administration and/or the operator and did not travel in support of this investigation to prepare this aircraft accident report.

The pilot of the tailwheel equipped airplane reported that during the landing roll, as soon as the tailwheel touched down a "significant shimmy" developed, but he also reported that the shimmy was not uncommon. He further reported that he attempted to "momentarily unload" the weight from the tailwheel, but the airplane suddenly veered off the runway to the left. The pilot reported that to avoid hitting a "wind indicator" he applied hard brakes, subsequently the airplane nosed forward, and the propeller impacted the ground. 

The airplane sustained substantial damage to the fuselage. 

According to the pilot there were no pre-impact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation.

The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
The pilot's failure to maintain directional control during the landing roll, which resulted in runway excursion, and collision with terrain.

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