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 WPR10LA458Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Mammoth, CADynamic rollover of the helicopter during a precautionary landing.NTSB ERA10CA479Accident · No injuriesData collectionFinal reportCessna 182S · Toms River, NJThe pilot's failure to maintain an adequate visual lookout during a night taxi. Contributing to the accident was the improper parking of a ground vehicle partially onto the taxiway.NTSB ERA10FA471Accident · 1 fatalField investigationFinal reportCessna 182T · Helena, GAThe pilot’s continuance of the GPS approach below the minimum descent altitude while landing in instrument meteorological conditions.NTSB WPR10FA449Accident · 2 fatalField investigationFinal reportPiper PA-32RT-300 · Las Vegas, NVThe pilot's inability to maintain a positive rate of climb after takeoff for undetermined reasons.NTSB WPR10LA420Accident · Serious injuriesLimited investigationFinal reportRobinson R44 · San Diego, CAThe pilot's failure to utilize carburetor heat during initial climb, which resulted in a loss of engine power due to carburetor icing.NTSB CEN10LA529Accident · Serious injuriesLimited investigationFinal reportPiper Aerostar 601P · Baraboo, WIThe pilot's diverted attention during an approach for landing that resulted in an altitude loss and impact with terrain.NTSB CEN10LA496Accident · No injuriesLimited investigationFinal reportCessna 182T · Mosby, MTA partial loss of engine power for undetermined reasons during an en route climb.NTSB CEN10LA487Accident · No injuriesLimited investigationFinal reportShpakow Thomas SA 750 · Brighton, COThe radio-controlled airplane operator’s decision to maneuver his airplane outside of the designated operating area, resulting in a collision with a bi-plane. Contributing to the accident was the lack of a formally designated spotter.NTSB ERA10FA409Accident · 1 fatalField investigationFinal reportPiper PA-32R-301 · Washington, GAThe manufacturer's inadequate quality control and improper manufacture of the fuel servo diaphragm assembly, which resulted in fatigue cracking of the hub stud and subsequent loss of engine power due to fuel starvation.NTSB WPR10LA354Accident · 1 fatalLimited investigationFinal reportRobinson Helicopter R44 II · Salt Lake City, UTThe pilot's loss of directional control while attempting to move the helicopter laterally without first lifting it fully off its landing platform.NTSB ERA10CA368Accident · No injuriesData collectionFinal reportPiper PA-32R-300 · St. Petersburg, FLThe pilot's loss of directional control while taking off with a crosswind.NTSB WPR10CA346Accident · No injuriesData collectionFinal reportPiper PA-32RT-300 · Yellow Pine, IDThe pilot's delayed decision to abort the takeoff. Contributing to the accident was the wet condition of the grass runway.NTSB CEN10CA369Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Austin, TXThe pilot's failure to maintain directional control of the helicopter, resulting in impact with trees. Contributing to the accident was the pilot's failure to ensure the door was properly secured prior to flight.NTSB WPR10LA272Accident · No injuriesLimited investigationFinal reportEagle Eagle DW-1 · Waterville, WAA worn wire in the magneto system, which allowed intermittent grounding and a loss of engine power.NTSB WPR10LA259Accident · 1 fatalLimited investigationFinal reportSocata TB-20 · Happy Camp, CAThe pilot’s inadequate preflight planning and decision to continue to operate under visual flight rules into instrument meteorological conditions, which resulted in an encounter with an embedded thunderstorm and rain showers and moderate to severe turbulence,…NTSB WPR10GA231Accident · 1 fatalFinal reportCessna T206H · Borrego Springs, CAThe pilot suffered a sudden incapacitating event as a result of his severe cardiovascular disease.NTSB ANC10LA032Accident · No injuriesLimited investigationFinal reportPiper PA-32-301 · King Cove, AKThe pilot's failure to maintain an appropriate descent rate during gusty winds while landing, resulting in a hard landing and damage to the airplane.NTSB WPR10LA195Accident · 1 fatalLimited investigationFinal reportSnow Rocket F1 · Borrego Springs, CAThe pilot's inability to maintain control due to the in-flight failure and separation of the pilot's flight control stick. The reason for the flight control stick failure could not be determined.NTSB ERA10WA133Accident · 2 fatalForeign investigationRobinson Helicopter R44 II · Restauracion, Dominican Republic, Dominican RepublicOn February 4, 2010, about 1940 Atlantic standard time, a Robinson R44II helicopter, N7535F, impacted the side of Mount Jina Mocha, in the city of Restauracion, Dominican Republic, at night, while en route from Port Au Prince, Haiti to Cibao International…NTSB CEN10FA162Accident · No injuriesField investigationFinal reportMaule M-6-235 · Bennett, COThe pilot’s failure to maintain clearance from a utility line while maneuvering.NTSB ERA10LA113Accident · 1 fatalLimited investigationFinal reportFoster John Glasair III · Oxford, CTThe pilot's failure to maintain a proper approach path during visual conditions at dusk, which resulted in an in-flight collision with power lines.NTSB CEN10CA082Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Abilene, TXThe pilot's failure to maintain directional control during the air taxi with shifting winds.NTSB ERA10CA093Accident · No injuriesData collectionFinal reportRockwell International 114 · Birmingham, ALA total loss of engine power due to fuel exhaustion as a result of the pilot’s inadequate preflight fuel planning.NTSB ERA10LA082Accident · 1 fatalLimited investigationFinal reportPiper PA-32RT-300 · Memphis, TNThe pilot's failure to execute a timely missed approach and subsequent failure to maintain aircraft control, after he was unable to establish the airplane on the instrument approach. Contributing to the accident was the pilot's possible impairment due to his…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.NTSB ERA10CA054Accident · No injuriesData collectionFinal reportPiper PA32 · Jacksonvile, FLThe pilot’s failure to maintain directional control during landing in gusty crosswind conditions.NTSB ERA10LA009Accident · No injuriesLimited investigationFinal reportButler Aerostar · Brooksville, FLThe collapse of the nose landing gear during landing rollout for undetermined reasons.NTSB WPR09CA470Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 II · Mt Charleston, NVThe pilot's failure to maintain aircraft control and terrain clearance while maneuvering at a low altitude above high terrain. Contributing to the accident was a downdraft and high density altitude.NTSB ERA09FA487Accident · 2 fatalField investigationFinal reportSocata TB20 · Pavo, GAThe pilot’s continued visual flight into instrument meteorological conditions, with embedded intense thunderstorms, heavy rain, and severe to extreme turbulence, resulting in an in-flight separation of the left wing due to overstress.NTSB WPR09LA411Accident · Serious injuriesLimited investigationFinal reportRobinson R44 · Tonopah, NVThe pilot’s failure to maneuver the helicopter within its performance capabilities while at a low altitude in mountainous terrain and in high density altitude conditions.NTSB WPR09FA385Accident · 1 fatalField investigationFinal reportCessna 182S · Napa, CAThe instrument-rated pilot’s loss of situational awareness and failure to follow the prescribed instrument departure clearance/procedure, which resulted in an in-flight collision with the terrain.NTSB ERA09LA410Accident · No injuriesLimited investigationFinal reportRobinson R44 · Silver Spring, PAThe student pilot's inability to fully control the helicopter, during cruise and the resultant off-field hard landing.NTSB CEN09LA427Accident · 1 fatalLimited investigationFinal reportZivko Aeronautics Edge 540 · Tarkio, MOThe pilot's failure to maintain aircraft control during the aerobatic flight.NTSB ANC09CA048Accident · No injuriesData collectionFinal reportPiper PA-32-301 · Birchwood, AKThe failure of maintenance personnel to properly maintain the cargo door latch, resulting in an in-flight opening and separation of the cargo door, and substantial damage to the horizontal stabilator when it was struck by remnants of the cargo door.NTSB WPR09CA224Accident · No injuriesData collectionFinal reportRobinson R44 · Cottonwood, AZThe pilot's inadequate visual lookout and failure to maintain clearance from wires.NTSB CEN09CA264Accident · No injuriesData collectionFinal reportCessna 182T · Rangely, COThe pilot's failure to maintain directional control while landing with a crosswind.NTSB ERA09CA172Accident · No injuriesData collectionFinal reportCessna 182S · Westminster, MDThe pilot's failure to stop the airplane within the available runway after touchdown.NTSB ERA09MA157Accident · 6 fatalMajor investigationFinal reportCessna 206H · Quebradillas, PRThe pilot exceeded the design limits of the airplane, which resulted in an in-flight break up while maneuvering in adverse weather conditions.NTSB WPR09CA105Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 II · Bountiful, UTThe pilot's improper decision to fly at low altitude while maneuvering in mountainous terrain in a canyon and inadvertently exceeding the climb capability of the helicopter. Contributing to the accident were a high density altitude, mountainous terrain, and a…NTSB WPR09FA102Accident · 2 fatalField investigationFinal reportSiai-Marchetti SF-260C · Santa Monica, CAThe pilot’s failure to select the proper fuel tank for takeoff, which resulted in a loss of engine power. Contributing to the accident was the pilot's failure to maintain aircraft control while attempting a return to runway maneuver.NTSB CEN09WA074Accident · 1 fatalForeign investigationRobinson Helicopter R44 II · Saint-Marc, HaitiNTSB ERA09FA029Accident · 2 fatalField investigationFinal reportPiper PA-24 · Red Hill, VAThe pilot's failure to maintain aircraft control due to an improper repair to the stabilator, which resulted in an in-flight failure of the stabilator. Contributing to the accident was the descent in turbulence, at airspeeds above the maximum structural…NTSB SEA08CA210Accident · No injuriesData collectionFinal reportMaule MX-7-2325 · Smith, NVThe pilot's excessive brake application during the landing roll, which resulted in a nose over.NTSB NYC08FA319Accident · 1 fatalField investigationFinal reportPiper PA-32 · Atlanta, GAA loss of aircraft control for undetermined reasons.NTSB CHI08FA293Accident · 2 fatalField investigationFinal reportRobinson R44 II · Kenosha, WIThe pilots failure to maintain clearance from terrain resulting in an in-flight collision with a house. Contributing to the accident was the night instrument meteorological conditions (IMC) and the pilot's lack of experience of flying in IMC.NTSB DFW08FA233Accident · 2 fatalField investigationFinal reportPiper Aerostar PA-60-602P · Kremmling, COThe pilot’s failure to maintain aircraft control, resulting in an aerodynamic stall and spin.NTSB NYC08CA305Accident · No injuriesData collectionFinal reportRobinson R44 II · Marathon, FLThe pilot's failure to control the helicopter while maneuvering, resulting in loss of tail rotor effectiveness.NTSB CHI08LA272Accident · 1 fatalLimited investigationFinal reportSocata TB-20 Trinidad · Cassville, WIThe left seat pilot's failure to maintain control of the airplane during a go-around and the inadvertent in-flight opening of the cabin door for undetermined reasons. Contributing to the accident was the distraction of the door opening.NTSB LAX08LA268Accident · No injuriesLimited investigationFinal reportRouse Glasair III · Reno, NVThe excessively worn throttle/mixture linkage arms and pins and a missing mixture control linkage spring washer, which resulted in a loss of power due to an excessively rich mixture.NTSB DEN08FA141Accident · 4 fatalField investigationFinal reportCessna 182T · Georgia Pass, COThe pilot's failure to maintain aircraft control after inadvertantly encountering instrument meteorological conditions. Contributing to the accident were the pilot's failure to obtain a weather brief and the severe weather conditions.