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 CEN19LA098Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA32R · Waterloo, ILThe loss of engine power due to a connecting rod failure for reasons that could not be determined due to secondary mechanical damage, which resulted in a subsequent forced landing.NTSB ERA19FA113Accident · 3 fatalField investigationFinal reportCessna 182 · Louisburg, NCThe pilot's spatial disorientation and loss of airplane control following takeoff in night instrument meteorological conditions.NTSB ERA19LA093Accident · 2 fatalLimited investigationFinal reportPiper PA32RT · Atlantic Ocean (Atlantic Ocean)The pilot's loss of control due to spatial disorientation.NTSB GAA19CA103Accident · No injuriesData collectionFinal reportRobinson R44 · Strykersville, NYThe structural failure of the home-built landing platform during landing, which resulted in the helicopter rolling over.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.NTSB GAA19CA051Accident · No injuriesData collectionFinal reportRIchard Silva Seawind · Pocono Summit, PAThe pilot's improper decision to attempt to take off from a lake in high crosswind conditions, which resulted in the right wing lifting, the left wing impacting the water, and the airplane bouncing and then impacting the water hard.NTSB CEN19FA004Accident · 2 fatalField investigationFinal reportPiper PA32RT · Poolville, TXThe pilot's loss of airplane control as a result of spatial disorientation and the exceedance of the structural capabilities of the airplane. Contributing to the accident was the pilot's limited experience in instrument conditions.NTSB GAA19CA007Accident · No injuriesData collectionFinal reportMaule M7 · Medford, ORThe pilot’s failure to maintain directional control during landing.NTSB ERA18LA269Accident · No injuriesLimited investigationFinal reportRobinson R44 · Westminster, MDThe pilot's attempt to move the helicopter from a sloped surface after an overspeed event, which resulted in a loss of helicopter control and impact with a car. The overspeed event resulted from misrouted and damaged wiring in the magneto, which subsequently…NTSB CEN18LA382Accident · Minor injuriesLimited investigationFinal reportCessna 206 · Sugar Land, TXFatigue failure of the No. 1 cylinder intake valve, which resulted in the loss of engine power.NTSB WPR18LA259Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Roche Harbor, WAThe pilot’s failure to secure his seat position prior to takeoff, which resulted in a loss of airplane control and subsequent hard landing.NTSB WPR18FA253Accident · 1 fatalClass 2 · FieldFinal reportCommander 114 · Jean, NVThe pilot failed to maintain adequate speed while maneuvering at a low attitude during night and entered an aerodynamic stall and subsequent spin.NTSB GAA18CA532Accident · No injuriesData collectionFinal reportCessna 206 · London, KYThe pilot’s failure to maintain directional control during takeoff with a tailwind.NTSB CEN18WA379Accident · No injuriesForeign investigationPiper PA32 · Belize City, BelizeOn August 29, about 1804 local time (LCL), a Piper PA32 300 airplane, N3073W, operated by Wings of Hope, had a hard landing at the Sir Barry Bowen Municipal Airport, in Belize City, Belize. The airplane originated from the San Pedro Airport.This investigation…NTSB CEN18LA348Accident · No injuriesLimited investigationFinal reportPiper PA32R · Falcon, COThe pilot's decision to depart with an inoperative left magneto, which resulted in degraded climb performance in high-density altitude conditions and a subsequent emergency landing.NTSB GAA18CA462Accident · No injuriesData collectionFinal reportPiper PA24 · Evanston, WYThe pilot's failure to extend the landing gear during landing. Contributing to the accident were the pilot's distraction and his failure to complete the appropriate checklist before landing.NTSB ANC18LA058Accident · No injuriesLimited investigationFinal reportRobinson R44 · Bettles, AKMaintenance personnel's application of insufficient preload on the attachment hardware for the idler gear shaft during engine overhaul, which resulted in the dismounting of the idler gear shaft assembly due to wear and deformation and the subsequent total…NTSB WPR18LA203Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA32 · Avalon, CAThe pilot's delayed decision to conduct a go-around following an unstable landing approach and long landing.NTSB ERA18FA197Accident · 2 fatalField investigationFinal reportPiper PA32R · Lincolnton, NCThe noninstrument-rated pilot's intentional visual flight rules flight into instrument meteorological conditions, which resulted in a loss of control due to spatial disorientation. Contributing the accident was the pilot's self-induced pressure to complete…NTSB ERA18FA187Accident · 2 fatalField investigationFinal reportRobinson R44 · Williamsburg, VAThe pilot's failure to safely operate the helicopter due to his impaired cognitive and physical abilities, which resulted in a loss of control.NTSB ERA18LA184Accident · 1 fatalLimited investigationFinal reportSwearingen SX300 · Daytona Beach, FLThe pilot's failure to maintain adequate airspeed during landing, which led to the airplane exceeding its critical angle-of-attack, experiencing an aerodynamic stall and hard landing, which resulted in a landing gear collapse, loss of directional control, and…NTSB GAA18CA449Accident · No injuriesData collectionFinal reportCessna 182 · Swainsboro, GAThe pilot's unstabilized approach during the initial landing with a right quartering tailwind, which resulted in a hard landing and subsequent go-around and the collapse of the nose landing gear during the subsequent landing.NTSB GAA18CA281Accident · No injuriesData collectionFinal reportPiper PA 32R · Cape Carteret, NCThe pilot’s steep approach, which resulted in a hard landing and the collapse of the landing gear during touchdown.NTSB ANC18LA032Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 · Fairbanks, AKThe pilot's failure to maintain helicopter control while in a hovering turn, which resulted in a collision with obstacles.NTSB GAA18CA140Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 · Woodland, CAThe pilot’s distraction due to her malfunctioning iPad, which led to her inadvertent forward cyclic application.NTSB GAA18CA148Accident · No injuriesData collectionFinal reportHarris Pierce Velocity XL RG · Locust Grove, GAThe pilot’s failure to extend the landing gear due to his distraction by talking on the radio, which resulted in a gear-up landing.NTSB WPR18FA084Accident · 2 fatalField investigationFinal reportCessna 182T · Santee, CAThe pilot's decision to take off into instrument meteorological conditions that resulted in spatial disorientation, and his exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall.NTSB GAA18CA111Accident · Minor injuriesData collectionFinal reportMaule M 6 · Boerne, TXThe ground vehicle driver’s decision to drive on an active taxiway at night and failure to yield to taxiing aircraft, resulting in a collision with a taxiing aircraft.NTSB ERA18LA070Accident · Serious injuriesLimited investigationFinal reportPiper PA32R · Marathon, FLThe pilot's failure to maintain directional control during takeoff.NTSB CEN18LA069Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Albany, TXA loss of helicopter control for reasons that could not be determined because postaccident examination did not reveal any evidence of mechanical malfunctions or failures of the main rotor and tail rotor systems that would have precluded normal operation.NTSB CEN18LA041Accident · No injuriesLimited investigationFinal reportCessna 182S · Bolingbrook, ILThe pilot’s failure to maintain directional control during takeoff.NTSB ERA18FA016Accident · 2 fatalField investigationFinal reportPiper PA 32 · Morrison, TNThe pilots' loss of control during a missed approach in night instrument meteorological conditions as a result of spatial disorientation.NTSB GAA18CA017Accident · Serious injuriesData collectionFinal reportYoung David E Pitts S1 C · Farmville, VAThe pilot’s failure to see and avoid the other airplane landing in the opposite direction on the runway. Contributing to the accident was the pilot’s failure to use the correct runway call sign in his radio communications.NTSB ERA17LA311Accident · No injuriesLimited investigationFinal reportPiper PA32R · Merritt Island, FLThe pilot's inadequate preflight planning and improper takeoff technique, which resulted in an exceedance of the airplane's critical angle of attack and an aerodynamic stall.NTSB WPR17LA188Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R44 II · El Dorado Hills, CAMaintenance personnel's inadequate routine maintenance on the helicopter engine, which led to low cylinder compression, improper magneto timing, and camshaft lobe wear, which subsequently resulted in degraded engine performance.NTSB WPR17LA192Accident · No injuriesLimited investigationFinal reportMaule M 7-235C · Klamath Falls, ORThe pilot's failure to follow the pre-takeoff checklist and the failure of the left main landing gear brake due to a damaged brake master cylinder piston rod, which resulted in a stuck left brake and subsequent loss of control during the landing roll.NTSB WPR17FA185Accident · 1 fatalField investigationFinal reportRich Wheeler Express CT · Madras, ORThe pilot's failure to maintain adequate airspeed while maneuvering in the airport traffic pattern for landing, which resulted in an exceedance of the airplane's critical angle of attack, a subsequent aerodynamic stall at an altitude too low to recover.NTSB CEN17FA287Accident · 2 fatalField investigationFinal reportAerofab Lake LA 4 250 · Oshkosh, WIThe pilot's failure to properly configure the airplane for takeoff and his decision to takeoff with a tailwind in unfavorable water conditions, which resulted in the airplane entering an aerodynamic stall and the pilot losing control.NTSB WPR17LA168Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Lake Sutherlin, MTThe pilot’s transition into an out-of-ground-effect hover in high-density altitude conditions that exceeded the helicopter’s performance capabilities, which resulted in loss of rotor rpm.NTSB WPR17FA161Accident · 1 fatalField investigationFinal reportApplegate Panzl S331E · Apple Valley, CAA fatigue failure of the left aileron control rod end during aerobatic flight, which resulted in the pilot's inability to maintain control of the airplane.NTSB CEN17CA346Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 II · Logan, IAThe pilot’s failure to maintain clearance from a wire during an agricultural application flight.NTSB GAA17CA422Accident · No injuriesData collectionFinal reportPiper PA32 · Marion, IAThe pilot’s failure to maintain directional control during the landing roll.NTSB GAA17CA398Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Pocahontas, ILThe helicopter pilot’s miscommunication with the ground crewmember during reloading operations, which resulted in a takeoff with the filler hose attached to the helicopter and subsequent impact with a truck.NTSB WPR17LA143Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Ronan, MTThe pilot's failure to maintain adequate airspeed, which resulted in a loss of tail rotor effectiveness during a low-altitude orbiting maneuver and a subsequent hard landing.NTSB CEN17LA271Accident · No injuriesLimited investigationFinal reportPiper PA 32-300 · Rushville, INThe pilot’s inability to properly control engine power because of an improperly installed throttle control arm, which resulted in a partial loss of engine power and led to a forced landing.NTSB ERA17LA217Accident · No injuriesLimited investigationFinal reportBarnes Richard B/Howe Michael Vans RV 10 · Blairsville, GAThe pilot’s loss of directional control upon landing.NTSB CEN17LA202Accident · Serious injuriesLimited investigationFinal reportPiper PA36 · El Campo, TXFoam contamination in the fuel injector nozzles from deteriorated foam baffles and water in the fuel flow divider, the combination of which resulted in the loss of engine power.NTSB ERA17LA185Accident · No injuriesLimited investigationFinal reportCessna 182 · West Chester, PAAn engine crankcase overpressurization and the subsequent loss of engine oil for reasons that could not be determined, which resulted in the failure of the No. 6 cylinder connecting rod due to a lack of lubrication.NTSB ERA17LA188Accident · Minor injuriesLimited investigationFinal reportMaule M7 · Colton, NYThe pilots' initiation of an uncoordinated right turn with the fuel selector positioned to the right main fuel tank, which had a low quantity of fuel in it and resulted in a total loss of engine power due to the unporting of the fuel and subsequent fuel…NTSB GAA17CA279Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 · Vevay, INThe pilot’s failure to see and avoid power lines during an agricultural application flight due to distraction when reading a map.