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Atlas / NTSB / GAA17CA528

NTSB CAROL · Event

Event GAA17CA528

2017-09-09 Broomfield, Colorado, United States Airport · BJC None 1 aircraft Status: Completed

Aircraft involved

Probable cause & findings

The student pilot’s failure to maintain directional control while landing in gusting crosswind conditions.

Factual narrative

The student pilot reported that, while landing in a "strong" crosswind, the airplane touched down on the center line of the runway, but then veered hard to the left. He attempted to correct by using rudder and aileron inputs, but over corrected and the airplane veered sharply to the right and exited the runway. He applied full throttle to abort the landing; however, the airplane veered left across the runway, then continued off the left side of the runway. The airplane continued down an embankment, the nose impacted an "upslope" on the far side of a ditch and the airplane came to rest inverted. The airplane sustained substantial damage to the empennage and both wings. The student pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The automated weather observation system located about 1 mile from the accident site reported, about 15 minutes before the time of the accident, the wind was from 190° at 13 knots; and that about 15 minutes after the time of the accident, the wind was from 210° at 17 knots, gusting to 21 knots. The student pilot landed on runway 12R. The student pilot reported that, while landing in a "strong" crosswind, the airplane touched down on the runway centerline but then veered hard to the left. He attempted to correct by using rudder and aileron inputs, but he overcorrected, and the airplane veered sharply to the right and exited the runway. He applied full throttle to abort the landing; however, the airplane veered left across the runway, then continued off its left side. The airplane continued down an embankment, the nose impacted an "upslope" on the far side of a ditch, and the airplane came to rest inverted. The airplane sustained substantial damage to the empennage and both wings. The student pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation. The automated weather observation system located about 1 mile from the accident site reported, about 15 minutes before the accident, the wind was from 190° at 13 knots and that, about 15 minutes after the accident, the wind was from 210° at 17 knots, gusting to 21 knots. The student pilot landed on runway 12R. 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-Student/instructed pilot - C
  • Environmental issues-Conditions/weather/phenomena-Wind-Crosswind-Effect on operation
  • Environmental issues-Conditions/weather/phenomena-Wind-Gusts-Effect on operation
  • Environmental issues-Physical environment-Terrain-(general)-Contributed to outcome

Verbatim from NTSB's published report. Source file NTSB_2017_GAA17CA528.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.