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NTSB investigations: Lycoming IO-540 series, OK

18 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

19732026

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" = 'OK' 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\" = 'OK' 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" = 'OK' 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 CEN23LA268Accident · Serious injuriesClass 3 · LimitedFinal reportVelocity Velocity XL · Tahlequah, OKA total loss of engine power for undetermined reasons.Jun 27, 2023 · N340XL · Substantial damage NTSB GAA19CA554Accident · No injuriesData collectionFinal reportPiper PA32R · Owasso, OKThe pilot's improper altitude and airspeed control during landing, which resulted in the airplane landing long and a subsequent runway overrun and impact with a drainage culvert.Sep 16, 2019 · N6887J · Substantial damage NTSB CEN13TA441Accident · Serious injuriesFinal reportCessna 182S · Tecumseh, OKThe pilot's inadvertent aerodynamic stall at a low altitude, which resulted in a loss of control and impact with terrain.Jul 27, 2013 · N820HP · Substantial damage NTSB CEN11LA275Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Oklahoma City, OKThe loss of aircraft control due to the failure of the stabilator control cable turnbuckle.Apr 7, 2011 · N31407 · Substantial damage NTSB CEN11CA197Accident · No injuriesData collectionFinal reportPiper PA-32R-301 · Holdenville, OKThe pilot’s decision to land with a tailwind and his delay in executing a go around.Feb 20, 2011 · N8310L · Substantial damage NTSB CEN10LA043Accident · 2 fatalLimited investigationFinal reportMoore Skybolt/BM · Altus, OKThe pilot's poor judgment by performing intentional low-level maneuvers that resulted in an inadvertent stall/spin at an altitude to low to affect a safe recovery.Nov 8, 2009 · N6644 · Destroyed NTSB DFW08CA136Accident · No injuriesData collectionFinal reportPiper PA-36 · Thomas, OKThe disconnected throttle linkage resulting in the loss of engine power during takeoff-initial climb. A factor contributing to the accident was the muddy forced landing site.May 9, 2008 · N2368Y · Substantial damage NTSB DFW06CA033Accident · No injuriesData collectionFinal reportPiper PA-23-250 · Bixby, OKThe loss of engine power due to water contamination and corrosion in both gascolators due to improper maintenance. A factor was the lack of suitable terrain for the forced landing.Nov 23, 2005 · N859DA · Substantial damage NTSB DFW05CA072Accident · No injuriesData collectionFinal reportRobinson R44 II · Woodward, OKthe pilot's encounter with adverse weather conditions.Apr 13, 2005 · N7535S · Substantial damage NTSB FTW03FA120Accident · 3 fatalField investigationFinal reportPiper PA-32-300 · Broken Arrow, OKFailure of the engine due to the blow-by condition in the number six cylinder for undetermined reasons, which resulted in oil starvation and eventual failure of the associated connecting rod end cap. Also causal was the pilot's failure to maintain airspeed…Mar 31, 2003 · N70NZ · Destroyed NTSB FTW94LA283Accident · 2 fatalLimited investigationFinal reportWalton Skybolt · Collinsville, OKThe pilot's failure to maintain airspeed resulting in an inadvertent stall.Aug 27, 1994 · N113BW · Destroyed NTSB FTW91LA032Accident · No injuriesLimited investigationFinal reportPiper PA-32R-301 · Enid, OKThe mechanical failure of the ignition switch. A factor was the pilot's failure to apply the parking brake or use airplane wheel chocks.Jan 23, 1991 · N82162 · Substantial damage NTSB FTW87FA123Accident · 2 fatalField investigationFinal reportPiper PA-32R-301 · Porter, OKAcft was observed in a rt bank when it experienced an inflt breakup. Both wings, vert stab and rudder, and the horz stab and trim tab separated prior to impact. Wx was dark night with scattered to broken cloud cover, but VFR. Although a wx rpt 33 NM northwest…May 23, 1987 · N81796 · Destroyed NTSB FTW87LA089Accident · No injuriesLimited investigationFinal reportPiper PA-32RT-300 · Laverne, OKDuring a downwind landing, the aircraft ran off the end of the runway contacting a barbed wire fence and subsequently a muddy field, substantially damaging the aircraft by shearing the landing gear off and tearing the wings on the top and bottom surfaces.Apr 1, 1987 · N31681 · Substantial damage NTSB FTW85FA137Accident · 1 fatalField investigationFinal reportPiper PA-23-250 · Foss, OKInflt fire at rear of lft eng caused by fitting of inlet fuel line to eng driven fuel pump being more than 1 & 1/2 turns from finger tight plt was A&P mech and did maint on a/c and had helped install lft eng 19.8 hrs prior to accident . Lft wing separated…Mar 5, 1985 · N6310U · Destroyed NTSB FTW80DPJ25Accident · No injuriesClosedCallair A-9B · Ponca City, OKJun 4, 1980 · N7798V · Substantial damage NTSB FTW79FPJ07Accident · No injuriesClosedRockwell 114 · Billings, OKMar 11, 1979 · N4740W · Substantial damage NTSB FTW73FPM16Accident · No injuriesClosedAero Comdr A-9B · Hallett, OKJun 13, 1973 · N7650V · Substantial damage