Madison, SD, USA
N3306D
Cessna 180
The left main landing gear collapsed and the airplane came to rest on its left side during a landing roll. The pilot reported that after touchdown the tail wheel began to shimmy and the airplane began to shake. He reported that he "rode the rudder from side to side" in order to try and stop the shimmy. He reported that the airplane veered to the right near the end of the landing roll. The pilot reported he used the left rudder and brake to stop the turn, but the airplane kept veering. The airplane traveled into the grass where the left main landing gear then collapsed and the airplane came to rest on its left side. The pilot reported the tail springs came unhooked as a result of the tail wheel shimmy.
The left main landing gear collapsed and the airplane came to rest on its left side during a landing roll. The pilot reported that after touchdown the rail wheel began to shimmy and the airplane began to shake. He reported that he "rode the rudder from side to side" in order to try and stop the shimmy. He reported that the airplane veered to the right near the end of the landing roll. The pilot reported he used the left rudder and brake to stop the turn, but the airplane kept veering. The airplane traveled into the grass where the left main landing gear then collapsed and the airplane came to rest on its left side. The pilot reported the tail springs came unhooked as a result of the tail wheel shimmy.
The tailwheel vibrations during the landing roll that resulted in the tailwheel spring disconnect. Directional control was not possible and the grassy terrain were factors.
Source: NTSB Aviation Accident Database
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