NTSB Identification: ANC05LA074.
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Accident occurred Monday, May 09, 2005 in Homer, AK
Probable Cause Approval Date: 12/20/2005
Aircraft: Cessna 170B, registration: N8305A
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 certificated flight instructor was providing flight instruction to the student pilot/owner who was practicing touch and go landings on runway 21. The instructor said that the wind was from 230 degrees at 11 knots. As the airplane touched down it veered slightly to the right, and the student corrected for the swerve. A gust of wind from the right then lifted the right wing, and the airplane began to veer to the left. The student applied right aileron and right rudder, but the airplane departed off the left side of the paved runway onto an area of grass. The instructor applied engine power in an attempt to gain control of the airplane, but the airplane collided with a ditch that paralleled the runway. The airplane received structural damage to the right main landing gear and fuselage, and the right wingtip. The instructor indicated that the student pilot had accrued about 79 hours of instructional flight.

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

The flight instructor's inadequate supervision of the flight during the landing roll, which resulted in a loss of control, and collision with a ditch. A factor associated with the accident was the student pilot's failure to maintain directional control.

Full narrative available

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