NTSB investigations: Lycoming IO-320 series, WI

11 cases on aircraft whose registry engine model is Lycoming IO-320 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

19672026
NTSB investigations: Lycoming IO-320 series, WI per year, 1967–2026: 11 cases
19671
19741
19791
19811
19831
19892
19901
19962
20011

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 ('41509'))
  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 CHI01LA096Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Appleton, WIThe misjudged glidepath and the intentional engine shutdown by the pilot. Factors were the false indication of the landing gear down light and the approach light.Feb 27, 2001 · N8196Y · Substantial damageNTSB CHI96FA278Accident · 1 fatalField investigationFinal reportLancair 320 · Fond Du Lac, WIthe fatigue in the propeller flange with soft material and oversized lightening holes. A factor was the pilot's inability to maintain control of the aircraft due to the exceeded weight and balance which led to a stall/spin.Aug 8, 1996 · N320L · DestroyedNTSB CHI96LA253Accident · No injuriesLimited investigationFinal reportYasecko LONG-EZE · Waukesha, WIFailure of the throttle cable.Jul 24, 1996 · N303Y · Substantial damageNTSB CHI90LA187Accident · No injuriesLimited investigationFinal reportPiper PA-30B · Webster, WIThe failure of the nose gear transmission mounting bracket which resulted in nose gear collapse during the landing roll.Jul 14, 1990 · N8095Y · Substantial damageNTSB CHI89DEP09Accident · No injuriesFinal reportCabrinha/Free Spirit 412 · Waukesha, WIThe plt became lost/disoriented and allowed fuel exhaustion to occur before accomplishing remedial action. Factors related to the accident were: the adverse environmental conditions and the road sign and vehicles in the emergency landing area.Jul 28, 1989 · N412RC · Substantial damageNTSB CHI89LA053Accident · No injuriesLimited investigationFinal reportAeronca 7KCAB · Pine Creek, WIThe pilot's selection of unsuitable terrain which resulted in the failure to achieve a proper climb rate which resulted in the collision with trees. Contributing to the accident was the uphill, snow covered terrain.Mar 5, 1989 · N9044L · Substantial damageNTSB CHI83LA423Accident · No injuriesLimited investigationFinal reportBeemer Pitts S-1C · Portage, WIThe acft had just been purchased & was being ferried to palatka, FL. During the landing roll at an en route arpt, the acft ground looped, and subsequently, came to rest inverted. The plt stated that this was his 1st landing in the pitts S-10 & that he was…Aug 6, 1983 · N46807 · Substantial damageNTSB CHI81FEP45Accident · Minor injuriesClosedPiper PA-30 · Racine, WISep 7, 1981 · N8786Y · Substantial damageNTSB CHI79FA072Accident · 2 fatalClosedPiper PA-24 · Bloomfield Twp, WISep 2, 1979 · N6051P · 2 aircraft · Substantial damageNTSB CHI75DEP17Accident · No injuriesClosedPiper PA-30 · Madison, WIAug 4, 1974 · N7690Y · Substantial damageNTSB CHI67F0674Accident · No injuriesClosedPiper PA-30 · Waukesha, WIMay 18, 1967 · N7925Y · Substantial damage