Aviation Accident Final Report - National Transportation Safety Board: https://app.ntsb.gov/pdf
Investigation Docket - National Transportation Safety Board: https://dms.ntsb.gov/pubdms
NTSB Identification: GAA17CA224
14 CFR Part 91: General Aviation
Accident occurred Friday, April 07, 2017 in Woodruff, WI
Probable Cause Approval Date: 07/05/2017
Aircraft: STINSON 108, registration: N9363K
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 flight instructor of the tailwheel-equipped airplane reported that, during a three-point landing touchdown, the airplane pulled to the left, and he heard a “pop.” He added that the pilot who was flying and receiving instruction “locked up” the right brake. Subsequently, the airplane departed the runway surface to the right and ground looped.
During an interview with a Federal Aviation Administration Aviation Safety Inspector, the pilot receiving instruction reported that, during the landing roll, the airplane drifted to the left, and he applied right brake to correct. He added that, upon braking, he heard the left tire blow, and the airplane departed the runway to the right. Subsequently, the airplane ground looped, the left main landing gear collapsed, and the left wing impacted the ground.
The airplane sustained substantial damage to the left wing.
The flight instructor reported that the tire “inner tube” on the left main landing gear failed during the landing roll.
The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
The pilot receiving instruction's incorrect brake usage and failure to maintain directional control during the landing roll.
The flight instructor of the tailwheel-equipped airplane reported that during a 3-point landing touchdown, the airplane pulled to the left and he heard a "pop." He added that the pilot who was flying and receiving instruction "locked up" the right brake. Subsequently, the airplane departed the runway surface to the right, and ground looped.
During an interview with a Federal Aviation Administration Aviation Safety Inspector, the pilot receiving flight instruction reported that during the landing roll, the airplane drifted to the left and he applied right brake to correct. He added that upon braking, he heard the left tire blow and the airplane departed the runway to the right. Subsequently, the airplane ground looped, the left main landing gear collapsed, and the left wing impacted the ground.
The airplane sustained substantial damage to the left wing.
The flight instructor reported that the tire "inner tube" on the left main landing gear failed during the landing roll.
Additional Participating Entity:
Federal Aviation Administration / Flight Standards District Office; Milwaukee, Wisconsin
Accident Factual Report - National Transportation Safety Board: https://app.ntsb.gov/pdf
http://registry.faa.gov/N9363K
NTSB Identification: GAA17CA224
14 CFR Part 91: General Aviation
Accident occurred Friday, April 07, 2017 in Woodruff, WI
Aircraft: STINSON 108, registration: N9363K
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 flight instructor of the tailwheel-equipped airplane reported that during a 3-point landing touchdown, the airplane pulled to the left and he heard a "pop." He added that the pilot who was flying and receiving instruction "locked up" the right brake. Subsequently, the airplane departed the runway surface to the right, and ground looped.
The flight instructor of the tailwheel-equipped airplane reported that during a 3-point landing touchdown, the airplane pulled to the left and he heard a "pop." He added that the pilot who was flying and receiving instruction "locked up" the right brake. Subsequently, the airplane departed the runway surface to the right, and ground looped.
During an interview with a Federal Aviation Administration Aviation Safety Inspector, the pilot receiving flight instruction reported that during the landing roll, the airplane drifted to the left and he applied right brake to correct. He added that upon braking, he heard the left tire blow and the airplane departed the runway to the right. Subsequently, the airplane ground looped, the left main landing gear collapsed, and the left wing impacted the ground.
The airplane sustained substantial damage to the left wing.
The flight instructor reported that the tire "inner tube" on the left main landing gear failed during the landing roll.
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