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Atlas / NTSB / GAA15CA107

NTSB CAROL · Event

Event GAA15CA107

2015-06-04 Hay, Washington, United States None 1 aircraft Status: Completed

Aircraft involved

Probable cause & findings

The pilot's and flight instructor's improper brake application during the landing roll. Contributing to the accident was the flight instructor's failure to make a positive transfer of controls.

Factual narrative

The rated pilot and flight instructor were practicing off airport landings in unimproved areas in the tailwheel equipped airplane. After two evaluation passes, the pilot landed. The pilot reported that during the rollout the airplane had oscillations around the lateral axis and the pilot applied the brakes. The flight instructor also applied brake pressure during the landing roll. The airplane nosed over and came to rest inverted. The airplane sustained substantial damage to right wing strut, vertical stabilizer, and rudder. The pilot reported no preimpact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation. The pilot reported the accident may have been avoidable with better communication and transfer of controls with the flight instructor. The rated pilot and flight instructor were practicing off airport landings in unimproved areas in the tailwheel equipped airplane. After two evaluation passes, the pilot landed. The pilot reported that during the rollout the airplane had oscillations around the lateral axis and the pilot applied the brakes. The flight instructor also applied brake pressure during the landing roll. The airplane nosed over and came to rest inverted. The airplane sustained substantial damage to right wing strut, vertical stabilizer, and rudder. The pilot reported no preimpact mechanical failures or malfunctions with the airframe or engine that would have precluded normal operation. The pilot reported the accident may have been avoidable with better communication and transfer of controls with the flight instructor. Source: NTSB Aviation Accident Database Retrieved: 2026-02-12

NTSB Findings

Hierarchical cause / factor breakdown from the FAA bulk avdata database. Each finding tagged C (Cause) or F (Factor).

  • C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Surface speed/braking-Incorrect use/operation - C
  • C Personnel issues-Task performance-Use of equip/info-Use of equip/system-Instructor/check pilot - C
  • C Personnel issues-Task performance-Use of equip/info-Use of equip/system-Pilot - C
  • F Personnel issues-Task performance-Communication (personnel)-Lack of communication-Instructor/check pilot - F

Verbatim from NTSB's published report. Source file NTSB_2015_GAA15CA107.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Related research

What the literature says.

Academic papers and agency reports matching this event's aircraft type or causal vocabulary (icing). Sourced from NASA NTRS, NTSB Safety Studies, FAA CAMI, AOPA Air Safety Institute, Embry-Riddle Scholarly Commons, arXiv, and the Semantic Scholar academic graph.

Browse the full corpus — academia portal ↗