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Atlas / NTSB / GAA17CA377

NTSB CAROL · Event

Event GAA17CA377

2017-07-01 Mammoth Lakes, California, United States Airport · MMH None 1 aircraft Status: Completed

Aircraft involved

Probable cause & findings

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

Factual narrative

During the landing roll, the tailwheel-equipped airplane veered off the runway to the left, the right main landing gear collapsed, and the right wing impacted the ground. The airplane sustained substantial damage to the fuselage. The pilot did not report that there were any preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation. The pilot failed to submit the NTSB Pilot/ Operator Aircraft Accident/ Incident Report Form 6120.1. During the landing roll, the tailwheel-equipped airplane veered off the runway to the left, the right main landing gear collapsed, and the right wing impacted the ground. The airplane sustained substantial damage to the fuselage. The pilot reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation. The pilot did not submit the National Transportation Safety Board Pilot/Operator Aircraft Accident/Incident Report Form 6120.1. 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-Directional control-Not attained/maintained - C
  • C Personnel issues-Task performance-Use of equip/info-Aircraft control-Pilot - C

Verbatim from NTSB's published report. Source file NTSB_2017_GAA17CA377.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.