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Aviation Accident

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NTSB Identification: GAA17CA269
14 CFR Part 91: General Aviation
Accident occurred Saturday, May 06, 2017 in Spanish Fork, UT
Probable Cause Approval Date: 07/20/2017
Aircraft: JOHNSON KENNETH SUPER CUB SPORT, registration: N47KJ
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 reported that, “about half way through the [landing] rollout I lost control of the aircraft and ground looped to the right.” During the ground loop, the left main landing gear collapsed, and the left wing impacted the runway.
The left wing sustained substantial damage.
The pilot failed to submit the National Transportation Safety Board NTSB Form 6120.1 Pilot/ Operator Aircraft Accident/ Incident Report after multiple requests.
An automated weather observation station, 5 nautical miles from the accident airport, recorded that, about the time of the accident, the wind was from 120° at 20 knots, gusting to 28 knots. The pilot reported that the landing was on runway 30.

The National Transportation Safety Board determines the probable cause(s) of this accident as follows:
  • The pilot's decision to land with a gusting tailwind and his subsequent failure to maintain directional control.