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Atlas / NTSB / GAA18CA209

NTSB CAROL · Event

Event GAA18CA209

2018-04-09 South Lake Tahoe, California, United States Airport · TVL None 1 aircraft Status: Completed

Aircraft involved

Probable cause & findings

The pilot receiving instruction’s failure to maintain directional control during the landing roll.

Factual narrative

According to the flight instructor in the tailwheel-equipped airplane, the pilot receiving instruction was on the flight controls during the landing roll. Near the end of the roll the tail began to swerve, and the airplane ground looped to the right. The airplane exited the right side of the runway and the left wing struck the ground. The airplane sustained substantial damage to the left-wing spar and aileron. The pilots reported that there were no mechanical malfunctions or failures with the airplane that would have precluded normal operation. According to the flight instructor in the tailwheel-equipped airplane, the pilot receiving instruction was on the flight controls during the landing roll. Near the end of the roll, the tail began to swerve, and the airplane ground looped to the right. The airplane exited the right side of the runway, and the left wing struck the ground. The airplane sustained substantial damage to the left-wing spar and aileron. The pilots reported that there were no mechanical malfunctions or failures with the airplane that would have precluded normal operation. 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 Personnel issues-Task performance-Use of equip/info-Aircraft control-Student/instructed pilot - C
  • C Aircraft-Aircraft oper/perf/capability-Performance/control parameters-Directional control-Not attained/maintained - C

Verbatim from NTSB's published report. Source file NTSB_2018_GAA18CA209.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.