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Fatal NTSB investigations: Lycoming 0-320 series, IL

28 cases on aircraft whose registry engine model is Lycoming 0-320 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.

Defining event

Finding

Phase of flight

Aircraft model

Cases per year

19662026

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Latest cases

Query with SQL

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" = 'IL' AND c."eventCountry" = 'USA' AND c."highestInjuryLevel" = 'Fatal' AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41508')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

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\" = 'IL' AND c.\"eventCountry\" = 'USA'
    AND c.\"highestInjuryLevel\" = 'Fatal'
    AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41508'))
  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.

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" = 'IL' AND c."eventCountry" = 'USA'
  AND c."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41508'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC

Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.

NTSB CEN26FA141Accident · 1 fatalClass 3 · FieldPreliminary reportPiper PA-28-140 · Rock Falls, ILOn March 20, 2026, about 1503 central daylight time, a Piper PA-28-140 airplane, N9913W, was destroyed when it was involved in an accident near Rock Falls, Illinois. The student pilot sustained fatal injuries. The airplane was being operated as a Title 14…Mar 20, 2026 · N9913W · Destroyed NTSB CEN15FA347Accident · 2 fatalField investigationFinal reportGrumman American Avn. AA 5A · Harrisburg, ILThe student pilot's improper decision to conduct a flight in dark, night conditions and his subsequent controlled flight into terrain.Aug 10, 2015 · N9684U · Substantial damage NTSB CEN15FA289Accident · 1 fatalField investigationFinal reportCessna 172P · Bartlett, ILThe pilot’s loss of airplane control for reasons that could not be determined because an examination of the airplane did not reveal any preimpact abnormalities.Jul 3, 2015 · N62681 · Destroyed NTSB CEN12FA395Accident · 1 fatalField investigationFinal reportNappi Tito C Lancair 235M · Monroe Center, ILThe in-flight fire for a reason that could not be determined due to extensive damage from the fire.Jun 26, 2012 · N18TN · Substantial damage NTSB CHI06FA030Accident · 1 fatalField investigationFinal reportPiper PA-23-160 · Bloomington, ILThe aircraft control not possible by the pilot during a visual approach to the runway due to the physical impairment of the pilot.Nov 10, 2005 · N4319P · Substantial damage NTSB CHI05LA243Accident · 1 fatalLimited investigationFinal reportAllensworth Baby Belle · El Dara, ILThe manufacturer failed to specify a relief radius on the tail rotor spindle drawings, which resulted in the spindle being manufactured with an inadequate relief radius at the point of fatigue failure.Aug 28, 2005 · N9094P · Destroyed NTSB CHI02LA166Accident · 1 fatalLimited investigationFinal reportJacobs Rutan Vari Viggen · Urbana, ILThe pilot's failure to abort the takeoff. Additional factors included the partial loss of engine power due to an excessively rich mixture as a result of a bad accelerator pump housing seal, and the pilot failed to maintain control of the airplane.Jun 16, 2002 · N915D · Destroyed NTSB CHI02LA007Accident · 1 fatalLimited investigationFinal reportWoodrow Stolp-Adams Starduster SA-100 · Millstadt, ILThe pilot not maintaining altitude/clearance from the tree line. Factors to the accident were the pilot attempting the low altitude flight/maneuver and the presence of the tree line.Oct 21, 2001 · N64HW · Destroyed NTSB CHI01FA234Accident · 3 fatalField investigationFinal reportCessna 177 · Benton, ILThe pilot's failure to maintain adequate airspeed, resulting in a stall.Jul 22, 2001 · N235LA · Destroyed NTSB CHI01FA232Accident · 2 fatalField investigationFinal reportSmith Kelly-D · Poplar Grove, ILThe right upper wing failed due to overload. A factor was the pilot performing aerobatic manuevers.Jul 21, 2001 · N303SM · Destroyed NTSB CHI99FA293Accident · 2 fatalField investigationFinal reportHudson Avenger · Lansing, ILthe weight and balance exceeded by the owner/builder. The inadequate preflight planning/preparation by the owner/builder.Aug 15, 1999 · N4088X · Destroyed NTSB CHI95FA012Accident · 1 fatalField investigationFinal reportPiper PA-28-161 · Winfield, ILCollision with the ground for an undetermined reason. The pilot's psychological condition was a probable factor.Oct 16, 1994 · N9089U · Destroyed NTSB CHI92FA279Accident · 4 fatalField investigationFinal reportCessna 177 · Manlius, ILThe pilot-in-command's failure to maintain control of the airplane during a forced landing, and his inadequate preflight which resulted in fuel exhaustion and power loss.Sep 17, 1992 · N30076 · Destroyed NTSB CHI87IA110Incident · 1 fatalIncident investigationFinal reportCessna 172L · Plainfield, ILThe pilot decided the weather was not good enough to fly, but he would run the engine and turn the tires. He was discovered in the plane by other pilots and later pronounced dead, from carbon monoxide asphyxiation. The muffler had a 12 inch crack which a…Mar 29, 1987 · N4211Q · No damage NTSB CHI86FEV03Accident · 1 fatalFinal reportWoodrow Starduster SA-100 · New Baden, ILThe owner of the single seat, home built, acft offered to allow a navy F-14 plt to fly the plane. The owner made a shortflt, then proceeded to give the F-14 plt a cockpit check. The check-out explaination included such things as the flt characteristics,…Jul 26, 1986 · N64HW · Destroyed NTSB CHI86FA100Accident · 2 fatalField investigationFinal reportCessna 172M · Lafox, ILAn instructor plt (cfi/cfii) & his student (pvt single eng rated plt) were on an instructional flt in a Cessna 172, N72MA. The student had rrecently been taking instrument flt training & had a hood for use on this flt. Prior to the acdnt. The Cessna 172 was…Mar 8, 1986 · N72MA · 2 aircraft · Destroyed NTSB CHI81FA033Accident · 1 fatalClosedCessna 172M · Quincy, ILMar 8, 1981 · N9493H · Destroyed NTSB CHI80FEE41Accident · 1 fatalClosedMurphy RV-3 · Streator, ILAug 5, 1980 · N66CJ · Destroyed NTSB CHI78FEV34Accident · 1 fatalClosedVari-Viggen · Urbana, ILAug 8, 1978 · N29HR · Destroyed NTSB CHI78FA045Accident · 3 fatalClosedPiper PA-23 · Belleville, ILJun 25, 1978 · N3284P · Destroyed NTSB CHI77FA058Accident · 1 fatalClosedPiper PA-28 · Clayton, ILJul 10, 1977 · N32742 · Destroyed NTSB CHI77FA034Accident · 1 fatalClosedPiper PA-28 · Chicago, ILMar 6, 1977 · N40922 · Destroyed NTSB CHI76AC007Accident · 4 fatalClosedCessna 172 · West Chicago, ILJul 29, 1975 · N21855 · Destroyed NTSB CHI75AC067Accident · 1 fatalClosedPiper PA-28 · Plainfield, ILMar 17, 1975 · N5116W · Destroyed NTSB CHI75AC021Accident · 3 fatalClosedCessna 177 · New Lenox, ILAug 24, 1974 · N2802X · Substantial damage NTSB CHI74AC031Accident · 2 fatalClosedBellanca 7GCBC · Morris, ILOct 6, 1973 · N36034 · Destroyed NTSB CHI68F0174Accident · 1 fatalClosedPiper PA-22 · Chicago, ILJul 4, 1967 · N3054Z · Destroyed NTSB CHI67F0302Accident · 1 fatalClosedPiper PA-18A · Sandwich, ILJul 19, 1966 · N7192D · Destroyed