NTSB investigations: Lycoming IO-540 series
1,056 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.
Cases, newest first
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.\"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."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" DESCRun 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 ATL02LA144Accident · 5 fatalLimited investigationFinal reportPiper PA-32RT-300 · Atlantic Ocean, BahamasThe pilot continued VFR flight into IMC and thunderstorm conditions which resulted in spatial disorientation and subsequent loss of control of the airplane.NTSB CHI02FA197Accident · 1 fatalField investigationFinal reportPiper PA-60 · Columbus, INThe pilot's failure to maintain control of the airplane during a missed approach. Additional factors included the operator's inadequate oversight, the pilot's improper in-flight decision, conditions conducive to pilot fatigue, fog, and night.NTSB IAD02LA069Accident · No injuriesLimited investigationFinal reportCessna 182T · Plainville, CTThe pilot's improper recovery from a bounced landing.NTSB FTW02FA192Accident · 4 fatalField investigationFinal reportPiper PA-24-260 · Gorman, TXThe pilot's loss of control and the exceedence of the design limits of the airplane which resulted in an in-flight break-up. A factor was inadvertent VFR flight into IMC.NTSB ANC02LA069Accident · Minor injuriesLimited investigationFinal reportPiper PA-32-300 · Kake, AKThe in-flight separation of the upper engine cowling from the airplane. A factor contributing to the accident was the soft, sandy terrain of the landing area.NTSB SEA02LA084Accident · No injuriesLimited investigationFinal reportPaxhia Murphy SR3500 · Seattle, WAThe failure of the left main gear leg AN-5 attach fitting bolt.NTSB MIA02LA097Accident · No injuriesLimited investigationFinal reportCessna 206H · Sarasota, FLThe pilot's failure to maintain compensation for surface wind conditions resulting in excessive taxi speed, a loss of control while taxiing, an excursion off the taxiway, collision with a concrete pad, and a nose over.NTSB CHI02FA120Accident · 1 fatalField investigationFinal reportCessna 182S · Sheboygan, WIThe pilot failed to maintain control of the airplane during the go-around for undetermined reasons.NTSB CHI02LA123Accident · No injuriesLimited investigationFinal reportPiper PA-32RT-300 · Viburnum, MOThe pilot's improper short field takeoff planning and procedure. The takeoff weight above the maximum gross weight and the hill were contributing factors.NTSB CHI02FA112Accident · 1 fatalField investigationFinal reportPiper 601P · Moscow, KSThe pilot's intentional operation of the airplane with a known engine boost problem resulting in the improper use of brakes to maintain directional control during takeoff, the brake system fire, and the loss of control for undetermined reasons during the…NTSB LAX02LA112Accident · No injuriesLimited investigationFinal reportMaule M-7-260 · Montague, CAThe pilot's inadequate compensation for the crosswind condition and failure to maintain directional control.NTSB ATL02LA046Accident · Serious injuriesLimited investigationFinal reportAero Commander 500U · Copperhill, TNThe pilot's inadequate preflight planning, which resulted in a total loss of engine power due to fuel exhaustion and a subsequent collision with trees during emergency landing on unsuitable terrainNTSB LAX02FA073Accident · 1 fatalField investigationFinal reportPiper Aerostar 601P · Stonyford, CAthe pilot's failure to maintain terrain clearance during cruise flight, which resulted in the in-flight collision with mountainous terrain. Factors in the accident were the mountainous terrain and the dark night light conditions.NTSB CHI02LA073Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Falls City, NEThe deer striking the airplane during landing. A factor relating to this accident was the dark night.NTSB LAX02LA068Accident · No injuriesLimited investigationFinal reportCessna 206H · Mammoth Lakes, CAthe pilot's inadequate compensation for the gusty crosswind conditions, which resulted in a loss of aircraft control and nose over during landing roll.NTSB ANC02FA010Accident · 1 fatalField investigationFinal reportPiper PA-32 · Haines, AKThe pilot's continued VFR flight into instrument meteorological conditions, and subsequent collision with trees while in cruise flight. Factors in the accident were weather conditions consisting of freezing rain, mist, and low ceilings.NTSB SEA02LA020Accident · No injuriesLimited investigationFinal reportMaule M-7-235 · Halfway, ORA loss of aircraft control for undetermined reasons. A factor was a snow-covered landing surface.NTSB LAX02FA031Accident · 5 fatalField investigationFinal reportAero Commander 500S · Eagleville, CAthe pilot's encounter with forecast mountain wave conditions, moderate or greater turbulence, and icing, with downdrafts that likely exceeded the climb capability of the airplane, which was encountered at an altitude that precluded recovery. Also causal in…NTSB CHI02FA034Accident · 1 fatalField investigationFinal reportPiper PA-32R-301 · Spearville, KSthe pilot's failure to maintain aircraft control and his inadvertent flight into known adverse weather conditions. Factors relating to this accident were the pilot's limited ability to see at night, spatial disorientation, the dark night, and the fog.NTSB CHI02LA022Accident · No injuriesLimited investigationFinal reportSmith Aerostar 601 · Danville, ILThe separation of the main landing gear scissor assembly during landing for undetermined reasons, resulting in the directional control of the airplane not being possible.NTSB LAX02LA021Accident · No injuriesLimited investigationFinal reportCessna 182S · Palm Springs, CAThe failure of the pilot-in-command to maintain directional control of the airplane after encountering a dust devil during landing roll.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.NTSB LAX02FA019Accident · 1 fatalField investigationFinal reportCessna 182S · Little River, CAthe pilot's continued VFR flight into instrument meteorological conditions, which resulted in a collision with trees and terrain.NTSB LAX02LA015Accident · No injuriesLimited investigationFinal reportThomson Harmon Rocket II · Perris, CAthe airplane builder's failure to properly install a bolt and nut into the aileron and elevator flight control system. A contributing factor was the soft terrain conditions for the ensuing forced landing.NTSB FTW01LA208Accident · No injuriesLimited investigationFinal reportPiper PA-32R-301 · Waco, TXthe mechanic's failure to perform an airworthiness directive, which resulted in the loss of engine oil through a partially failed oil filter converter plate gasket, and subsequent engine failure during takeoff climb. A contributing factor was the lack of…NTSB ATL01FA105Accident · 2 fatalField investigationFinal reportPiper PA-32R-301 · Byhalia, MSThe pilot's improper evaluation of weather conditions which lead to an inflight encounter with turbulent weather resulting in an in flight break up of the airframe, and subsequent uncontrolled descent into terrain. A factor was the pilot's drug impairment.NTSB ATL01LA095Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Homerville, GAThe improper replacement of an accessory drive component with an unapproved part by maintenance personnel, which resulted in a fatigue fracture of the component and loss of engine power. The airplane subsequently collided with power lines and trees during an…NTSB LAX01TA284Accident · No injuriesFinal reportAero Commander 500S · Elko, NVThe main landing gear collapsed for undetemined reasons.NTSB DEN01LA149Accident · No injuriesLimited investigationFinal reportPiper PA-32RT-300 · Rock Springs, WYthe mechanic's failure to perform an airworthiness directive, which resulted in the loss of engine oil through a partially failed oil filter converter plate gasket, and subsequent failure of a connecting rod during cruise flight. A contributing factor was the…NTSB ANC01FA106Accident · 1 fatalField investigationFinal reportMaule M-6-235 · Kotzebue, AKThe pilot's failure to maintain adequate clearance from an obstruction (antenna tower), and his continued flight into instrument meteorological conditions. Factors associated with the accident were low ceilings, and low visibility.NTSB LAX01LA266Accident · No injuriesLimited investigationFinal reportMaule M-7-235C · Flagstaff, AZThe pilot's improper recovery from a bounced landing and his failure to maintain directional control, resulting in a ground loop.NTSB ANC01FA093Accident · 6 fatalField investigationFinal reportPiper PA-32-300 · Haines, AKThe pilot's continued flight into known adverse weather conditions, and his poor in-flight decision making. Factors associated with the accident were clouds and mountainous terrain. A finding is the pilot's use of FAA prohibited drugs.NTSB CHI01LA261Accident · No injuriesLimited investigationFinal reportMcIntosh Steen Skybolt · Lebanon, INThe pilot misjudged his altitude during the landing. A factor was the soybean crop which the airplane contacted.NTSB CHI01FA244Accident · 1 fatalField investigationFinal reportSchuchart Stoddard HamiltonSH3 · Oshkosh, WIThe inadvertent stall/spin by the pilot.NTSB IAD01LA074Accident · No injuriesLimited investigationFinal reportCessna 182S · Montgomery, NYThe pilot's improper flare, and improper recovery from a bounced landing.NTSB MIA01LA174Accident · No injuriesLimited investigationFinal reportSocata TB-20 · Naples, FLThe collapse of the left main landing gear for undetermined reasons resulting in the loss of directional control and subsequent on-ground collision with a ravine.NTSB IAD01FA070Accident · 1 fatalField investigationFinal reportPiper PA-32R-301 · Greenwich, CTThe pilot's failure to maintain control of the airplane while maneuvering in instrument meteorological conditions, due to spatial disorientation. Factors in the accident were the fog, and the pilot's use of a sedating medication.NTSB ANC01LA071Accident · No injuriesLimited investigationFinal reportPiper PA-32R · Egegik, AKThe pilot's selection of unsuitable terrain for landing. Factors in the accident were a soft area of runway, and sunglare.NTSB MIA01LA160Accident · No injuriesLimited investigationFinal reportCessna 182S · Corolla, NCThe pilots failure to maintain directional control during landing flare and touchdown resulting in the airplane touching down on the left side of the runway and the left wing contacting trees.NTSB NYC01LA120Accident · Minor injuriesLimited investigationFinal reportPiper PA-32RT-300 · Ithaca, NYThe pilot's failure to follow the published instrument approach procedure.NTSB IAD01LA054Accident · No injuriesLimited investigationFinal reportPiper PA-32-301 · Factoryville, PAThe pilot's failure to reach the proper touchdown point, and his subsequent failure to abort the landing.NTSB IAD01LA046Accident · Minor injuriesLimited investigationFinal reportPiper PA-32R-300 · King George, VAThe failure of cylinder case and thru studs due to fatigue, which resulted in a loss of engine power over unsuitable terrain.NTSB ANC01LA056Accident · No injuriesLimited investigationFinal reportPiper PA-32R-301 · Emmonak, AKThe pilot's inadvertent stall while maneuvering. A factor associated with the accident was soft, snow-covered terrain.NTSB MIA01FA108Accident · 1 fatalField investigationFinal reportPiper PA-60-601P · Marco Island, FLThe failure of the pilot to maintain control of the aircraft during a rejected landing and the collision with the terrain and mangrove trees. A finding in the investigation was the presence of quinine in the blood and urine during postmortem toxicological…NTSB DEN01LA054Accident · No injuriesLimited investigationFinal reportPiper PA-32-300 · Angel Fire, NMthe pilot's failure to maintain control of the airplane during landing. Contributing factors were the crosswind, the pilot exceeding the published maximum demonstrated crosswind component, and the snow bank.NTSB ATL01LA029Accident · Minor injuriesLimited investigationFinal reportRobert D. Wood Velocity Xlfg · Sebastian, FLThe manufacturer's inadequate design of the winglet/rudder assembly, and inadequate bonding techniques for metal to fiber structures, which resulted in control surface flutter.NTSB DEN01LA043Accident · No injuriesLimited investigationFinal reportMaule M-7-235C · Durango, COfailure by the pilot to maintain directional control of the aircraft during landing roll. A factor was the pilot's lack of experience in aircraft make and model.NTSB ATL01FA019Accident · 1 fatalField investigationFinal reportCessna 206H · Vandiver, ALThe pilot's inflight decision to continued visual flight into instrument meteorological conditions resulted in the inflight collision with trees. Low ceilings and trees were factorsNTSB SEA01WA033Accident · 4 fatalForeign investigationAerostar 602P · Penticton, CanadaNTSB MIA01LA032Accident · No injuriesLimited investigationFinal reportPiper PA-32RT-300 · Wewahitchka, FLa loss of engine power due to the number 5 cylinder connecting rod separating at the rod cap, resulting in a forced landing and subsequent impact with rough uneven terrain.