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NTSB investigations: Lycoming IO-540 series, OH

23 cases on aircraft whose registry engine model is Lycoming IO-540 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

19762026

Where

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" = 'OH' 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 ('41530', '41585')) 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\" = 'OH' 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 ('41530', '41585'))
  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" = 'OH' 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 ('41530', '41585'))
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 ERA25LA325Accident · No injuriesClass 4 · LimitedFinal reportCessna 182 · Lebanon, OHThe pilot’s failure to maintain directional control of the airplane during takeoff, which resulted in a runway excursion and collision with a sign.Aug 31, 2025 · N628FN · Substantial damage NTSB ERA23LA306Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-32RT-300 · Mount Gilead, OHThe pilot’s improper fuel management by not switching fuel tanks in flight, resulting in fuel starvation to the engine and a total loss of engine power.Jul 21, 2023 · N9519C · Substantial damage NTSB CEN22FA113Accident · 1 fatalClass 3 · FieldFinal reportCessna 182T · Heath, OHThe pilot’s failure to maintain altitude after takeoff, which resulted in collision with trees and terrain.Feb 1, 2022 · N716MC · Destroyed NTSB GAA19CA069Accident · No injuriesData collectionFinal reportPiper PA32R · Versailles, OHThe pilot's improper landing flare, which resulted in landing on the landing gear first and a subsequent loss of directional control, a runway excursion, and impact with a tree and a fence during an attempted go-around.Nov 17, 2018 · N4137W · Substantial damage NTSB CEN14LA456Accident · Minor injuriesLimited investigationFinal reportMaule MT 7-235 · Edon, OHThe pilot’s inability to maintain airplane control while attempting a precautionary landing after takeoff due to his incorrect setting of the rudder trim tab, which resulted in a significant turning tendency during flight.Aug 26, 2014 · N627RK · Substantial damage NTSB CEN14CA355Accident · No injuriesData collectionFinal reportCessna 182S · Put in Bay, OHThe pilot's improper flare, which resulted in a hard landing.Jun 15, 2014 · N2366G · Substantial damage NTSB CEN13CA125Accident · No injuriesData collectionFinal reportPiper PA-32-301 · Middle Bass Island, OHThe pilot did not attain the proper touchdown point during landing, which resulted in impact with the edge of the runway surface.Dec 27, 2012 · N428S · Substantial damage NTSB CEN11LA320Accident · No injuriesLimited investigationFinal reportCommander 114-B · Sandusky, OHThe pilot's inadequate directional control while landing in a variable crosswind.May 4, 2011 · N114JG · Substantial damage NTSB CEN11CA140Accident · No injuriesData collectionFinal reportRockwell International 114A · North Lima, OHThe pilot’s failure to maintain directional control during the landing touchdown.Dec 30, 2010 · N527GT · Substantial damage NTSB CHI08CA199Accident · No injuriesData collectionFinal reportEagle Eagle DW-1 · Bryan, OHThe loss of engine power due to fuel exhaustion as a result of the pilot's improper fuel calculations. A contributing factor was the inaccurate fuel gauge.Jul 18, 2008 · N8814L · Substantial damage NTSB CHI08CA048Accident · No injuriesData collectionFinal reportSmith, Ted Aerostar Aerostar 601 · Elyria, OHThe pilot's momentary loss of control after takeoff, which resulted in an in-flight collision with a tree. A contributing factor was the presence of the tree.Dec 11, 2007 · N2699G · Substantial damage NTSB CHI08CA013Accident · No injuriesData collectionFinal reportCessna 182 · Middlefield, OHThe proper touchdown point not obtained by the pilot and the inadequate supervision by the certified flight instructor during landing. A contributing factor was the rough terrain encountered during landing.Oct 4, 2007 · N9774F · Substantial damage NTSB NYC02LA031Accident · No injuriesLimited investigationFinal reportMaule M7-260 · North Lima, OHThe pilot's failure to retract the landing gear, which resulted in a wheels down landing on water.Nov 3, 2001 · N5511G · Substantial damage NTSB IAD96LA089Accident · No injuriesLimited investigationFinal reportPiper PA60-601P · Willard, OHthe pilot's inability to maintain directional control of the airplane during the landing flare/touchdown.Jun 3, 1996 · N86AT · Substantial damage NTSB NYC91LA065Accident · No injuriesLimited investigationFinal reportPiper PA-32-301 · Celina, OHThe pilot-in-command's improper use of the powerplant controls, magnetos and brakes.Jan 24, 1991 · N8385S · Substantial damage NTSB CHI90LA023Accident · No injuriesLimited investigationFinal reportPiper 601P · Cincinnati, OHThe pilot failed to maintain adequate airspeed while maneuvering to circle and land, which resulted in an inadvertent stall. Factors related to the accident were: the excessive maneuver (steep turn) and terrain conditions (road and curb) short of the runway.Nov 8, 1989 · N601LC · Substantial damage NTSB ATL87LA254Accident · No injuriesLimited investigationFinal reportAerostar 600 · Columbus, OHThe scheduled domestic all cargo flt was taxiing from the ramp to the rwy behind another company acft when the plt suddenly realized that the lead acft was not moving. The plts attempts to stop the acft were not successful. The stopped acft was substantially…Sep 11, 1987 · N8073J · 2 aircraft · Substantial damage NTSB CHI82DA106Accident · Minor injuriesFinal reportPiper PA-32-300 · Van Wert, OHThe pilot-in-command had a private, single-engine-land, certificate. The occupant of the right front seat was a commercial, single-engine-land, pilot. The landing approach was made to runway 27. The pilot-in-command estimated that the winds were from 220…Mar 30, 1982 · N2866M · Substantial damage NTSB CHI82DA068Accident · No injuriesFinal reportPiper PA-60 · Cleveland, OHDuring takeoff roll from a dry runway the pilot reported the aircraft started veering to the left. The pilot attempted to straighten the aircraft with power & brakes to no avail then pushed in throttle in an attempt to fly out. The aircraft departed the…Feb 23, 1982 · N8035J · Substantial damage NTSB CHI81FEK09Accident · No injuriesClosedPiper PA32RT · Columbus, OHDec 31, 1980 · N36126 · Destroyed NTSB CHI79FEK14Accident · No injuriesClosedPiper PA32RT · St Clairsville, OHMay 28, 1979 · N36126 · Substantial damage NTSB CHI79FEK08Accident · No injuriesClosedPiper PA32RT · Sidney, OHMar 16, 1979 · N31996 · Substantial damage NTSB CHI77FEI03Accident · No injuriesClosedPiper PA-24 · Akron, OHOct 26, 1976 · N8846P · Substantial damage