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Atlas / NTSB / GAA16CA010

NTSB CAROL · Event

Event GAA16CA010

2015-10-04 Lincoln, California, United States Airport · LHM None 1 aircraft Status: Completed

Registry · N2RG

FAA Aircraft Registry record.

Make / Model

GROSCH STARDUSTER TOO SA-30

Year of manufacture

2015 · 0 years old at event

Engine

LYCOMING O-320 SERIES (150 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

20150819

ADS-B equipped

Yes — Mode-S A18ECF

Registrant of record

GROSCH RICHARD C

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

The pilot's failure to maintain directional control during the landing roll in crosswind conditions, which resulted in a ground loop, left main landing gear collapse, and the left wing striking the runway.

Factual narrative

The pilot of a tailwheel-equipped airplane reported that during the landing roll in crosswind conditions, he lost directional control and the airplane ground looped to the right. During the ground loop, the left main landing gear collapsed, the left wing impacted the runway, and the airplane stopped on the runway. The left wing sustained substantial damage. About the time of the accident at the airport, the wind was reported as 250 degrees true at 3 knots. The pilot stated there were no mechanical malfunctions or failures with the airplane that would have precluded normal operation. The pilot of a tailwheel-equipped airplane reported that during the landing roll in crosswind conditions, he lost directional control and the airplane ground looped to the right. During the ground loop, the left main landing gear collapsed, the left wing impacted the runway, and the airplane stopped on the runway. The left wing sustained substantial damage. About the time of the accident at the airport, the wind was reported as 250 degrees true at 3 knots. The pilot stated 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 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
  • Environmental issues-Conditions/weather/phenomena-Wind-Crosswind-Ability to respond/compensate

Verbatim from NTSB's published report. Source file NTSB_2015_GAA16CA010.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.