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Atlas / NTSB / CHI91LA246

NTSB CAROL · Event

Event CHI91LA246

1991-08-04 HAGER CITY, Wisconsin, United States Fatal 1 aircraft Status: Completed

Aircraft involved

Probable cause & findings

THE FAILURE OF THE PILOT TO MAINTAIN AIRSPEED ABOVE STALLING SPEED WHILE MANEUVERING.

Factual narrative

THE ACCIDENT AIRPLANE WAS MANEUVERING (ALTERNATING LEFT AND RIGHT STEEP BANKING TURNS) AT LOW ALTITUDE OVER A CIVIC CELEBRATION WITH THE LANDING GEAR AND FLAPS EXTENDED. WITNESSES RECOUNTED THAT THE AIRPLANE WAS FLYING SLOWLY A IN RIGHT BANKING TURN WHEN IT SUDDENLY ROLLED TO THE LEFT AND DESCENDED INTO THE GROUND. THE AIRPLANE PASSED THROUGH THE TOP OF A MATURE TREE BEFORE IT STRUCK AND UNOCCUPIED HOUSE. A POST IMPACT FIRE ERUPTED INVOLVING BOTH THE AIRPLANE AND HOUSE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_CHI91LA246.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 (stall). 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 ↗