NTSB investigations: Lycoming AEIO-360 series, WI

7 cases on aircraft whose registry engine model is Lycoming AEIO-360 series. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

19822026
NTSB investigations: Lycoming AEIO-360 series, WI per year, 1982–2026: 7 cases
19821
19911
20011
20211
20221
20241
20251

Latest cases

Query with SQL
duckdb -csv -c "SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
  FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
  WHERE c.\"eventStateOrRegion\" = 'WI' AND c.\"eventCountry\" = 'USA'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41522', '41601'))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB CEN25LA287Accident · No injuriesClass 4 · LimitedFinal reportAerotek Pitts S-2A · New Holstein, WIThe pilot’s loss of direction control during landing due to an unapproved tailwheel assembly and tail spring that resulted in a tailwheel shimmy and a subsequent ground loop.Jul 26, 2025 · N83PS · Substantial damageNTSB CEN25LA024Accident · No injuriesClass 4 · LimitedFinal reportPitts S-2A · Stoughton, WIThe pilot’s failure to maintain directional control during landing.Oct 19, 2024 · N11JC · Substantial damageNTSB CEN22LA302Accident · Minor injuriesClass 4 · LimitedFinal reportPitts S1 · Sturgeon Bay, WIThe pilot’s failure to maintain airplane control during landing, which resulted in a runway excursion and nose over. Contributing to the accident was the pilot’s inadequate preflight inspection and the pilot’s lack of flight control system knowledge.Jul 1, 2022 · N23RS · Substantial damageNTSB CEN22FA019Accident · 2 fatalClass 3 · FieldFinal reportAmerican Champion 8KCAB · Marengo, WIThe pilot’s failure to maintain adequate airspeed during the steep turn, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall. Also causal was the pilot’s decision to conduct steep turns without sufficient altitude to…Oct 23, 2021 · N843AC · DestroyedNTSB CHI01FA235Accident · 1 fatalField investigationFinal reportPayne Giles G-202 · Oshkosh, WIThe pilot failed to maintain aircraft control which resulted in an inadvertant stall. Factors with the accident were the pilot misjudged the approach and the pilot's lack of total experience in the Giles G-202.Jul 24, 2001 · N202RP · DestroyedNTSB CHI91DEP08Accident · 1 fatalFinal reportJack Thomas Pitts S-IT · Kenosha, WIImproper maintenance, by person or persons unknown, to the elevator control system which allowed a bolt attaching the elevator control rod to the pitch bellcrank to become disconnected during flight.Jun 16, 1991 · N83AM · DestroyedNTSB CHI82DA063Accident · Serious injuriesFinal reportBellanca 8KCAB · Franklin, WIAfter a 1.8 hour flight, the fixed base operator serviced the aircraft with 15 gallons of fuel. The pilot stated that he drained the sumps as part of his preflight. The pretakeoff checks and takeoff roll were normal. At about 75 to 100 feet AGL, the engine…Feb 21, 1982 · N1218E · Substantial damage