Runway excursion Accident Carpenter KOLB TWINSTAR III N3135J, Tuesday 2 August 2011

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Date:	Tuesday 2 August 2011
Time:	07:45 LT
Type:	Carpenter KOLB TWINSTAR III
Owner/operator:	Kenton Carpenter
Registration:	N3135J
MSN:	3-12
Total airframe hrs:	146 hours
Engine model:	Rotax 582
Fatalities:	Fatalities: 0 / Occupants: 1
Other fatalities:	0
Aircraft damage:	Substantial
Category:	Accident
Location:	Republic, WA (R49) - United States of America
Phase:	Landing
Nature:	Private
Departure airport:	Republic, WA (R49)
Destination airport:	Republic, WA (R49)
Investigating agency:	NTSB
Confidence Rating:	Accident investigation report completed and information captured

Narrative:
The pilot reported that he had not flown for several years and had just received training from a certified flight instructor. During his first solo flight since the training, he was conducting touch-and-go takeoffs and landings. On the fourth landing, the airplane veered off the runway to the left side and ground-looped. After departing the runway, the airplane impacted a metal obstruction with the left landing gear, substantially damaging the tubular fuselage structure.

Probable Cause: The pilot's failure to maintain directional control during the landing roll.

Accident investigation: