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 CEN12LA529Accident · No injuriesLimited investigationFinal reportPiper PA32RT · Palo Pinto, TXThe pilot's failure to maintain directional control and a proper pitch attitude and airspeed while performing a go-around.NTSB ANC12FA083Accident · 1 fatalField investigationFinal reportPiper PA-32-301 · Hoonah, AKThe pilot's failure to maintain clearance from trees and terrain while in cruise flight in marginal visual meteorological conditions.NTSB ANC12CA082Accident · Minor injuriesData collectionFinal reportRobinson Helicopter R44 II · Wainwright, AKThe failure of ground personnel to ensure the helicopter was serviced with the proper fuel. Contributing to the accident was the pilot's failure to monitor the fueling process.NTSB ANC12FA066Accident · 2 fatalField investigationFinal reportPiper PA-32R-301 · Fairbanks, AKThe noninstrument-rated pilot's decision to continue visual flight into instrument meteorological conditions likely leading to spatial disorientation, which resulted in a loss of airplane control and in-flight structural failure.NTSB CEN12LA443Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Red Oak, IAThe pilot's failure to maintain clearance from the ground-support vehicle during landing.NTSB ANC12CA063Accident · No injuriesData collectionFinal reportPiper PA-32-301 · King Salmon, AKAn in-flight collision with a bird during cruise flight.NTSB WPR12LA259Accident · 1 fatalLimited investigationFinal reportRobinson Helicopter R44 II · East Wenatchee, WAThe pilot’s failure to adequately monitor the environment and maintain clearance from the power lines while maneuvering at low altitude.NTSB CEN12CA303Accident · No injuriesData collectionFinal reportCessna 182S · Houston, TXThe student pilot’s failure to maintain directional control during the landing roll. Contributing to the accident was the student pilot’s interference with the flight instructor’s attempted remedial actions.NTSB WPR12LA207Accident · No injuriesLimited investigationFinal reportMaule MX-7 · Roche Harbor, WAA damaged brake master cylinder piston rod, which resulted in a landing with the left brake applied. The damage was a result of normal parking brake operation.NTSB WPR12CA215Accident · No injuriesData collectionFinal reportMaule M-7-260 · Brigham City, UTThe pilot’s failure to maintain directional control while landing with a gusting crosswind.NTSB ERA12FA265Accident · Serious injuriesField investigationFinal reportSapp Larry E Seawind 3000 · Deland, FLA total loss of engine power for reasons that could not be determined because the damage and postimpact fire precluded thorough examination of the engine and its systems.NTSB ERA12CA266Accident · No injuriesData collectionFinal reportPiper PA-60-602P · Philadelphia, PAThe pilot's failure to maintain directional control while landing in gusting crosswind conditions.NTSB CEN12CA202Accident · No injuriesData collectionFinal reportSmith Aerostar 601P · Casterville, TXThe pilot did not maintain control of the airplane while circling to land.NTSB ERA12LA195Accident · No injuriesLimited investigationFinal reportPiper PA-36-300 · Americus, GAThe failure of maintenance personnel to properly secure a portion of the right wing leading edge, which resulted in the separation of the associated section of the leading edge during takeoff and the loss of directional control during the subsequent landing.NTSB ERA12CA190Accident · No injuriesData collectionFinal reportPiper PA-32R-300 · Swainsboro, GAThe pilot’s failure to maintain the proper glidepath during final approach in night visual meteorological conditions, which resulted in a collision with trees.NTSB WPR12FA105Accident · 3 fatalField investigationFinal reportCessna 172S · North Bend, WAThe pilot's physical impairment due to alcohol, which adversely affected his ability to operate the airplane and to maintain clearance from mountainous terrain while operating in dark night conditions.NTSB CEN12FA139Accident · 2 fatalField investigationFinal reportRobinson R44 II · Centerville, LAThe pilot allowed the helicopter to settle with power while maneuvering at low altitude.NTSB CEN12CA140Accident · No injuriesData collectionFinal reportPiper PA-32RT-300 · Angle Fire, NMThe pilot did not maintain control of the airplane during the takeoff in gusting crosswind conditions.NTSB WPR12LA075Accident · No injuriesLimited investigationFinal reportPiper Aerostar 601P · Las Vegas, NVThe pilot's failure to maintain directional control of the airplane during the landing roll.NTSB CEN12CA121Accident · No injuriesData collectionFinal reportButler John R SX 300 · Truth or Consequences, NMThe pilot did not maintain airplane control during takeoff due to his distraction with the improperly secured canopy, which he forgot to latch.NTSB CEN12FA091Accident · 1 fatalField investigationFinal reportRobinson Helicopter R44 II · Hackensack, MNThe helicopter's sudden yaw and subsequent impact with the water for reasons that could not be determined during postaccident examination of the helicopter and its systems.NTSB ERA12LA066Accident · No injuriesLimited investigationFinal reportCessna 172S · Fort Lauderdale, FLThe Cessna 172 flight instructor and student pilot's inadequate visual lookout and failure to maintain clearance from the stationary Cessna 182.NTSB ERA12CA055Accident · No injuriesData collectionFinal reportTacchi Torello F Vans Aircraft RV10 · Folkston, GAThe pilot's improper preflight planning, which resulted in a loss of engine power due to fuel exhaustion.NTSB ERA12FA012Accident · 3 fatalField investigationFinal reportPiper PA-32R-300 · Peru, WVThe non-instrument rated pilot's improper decision to continue visual flight into instrument meteorological conditions, which resulted in spatial disorientation and subsequent in-flight collision with mountainous terrain.NTSB WPR11FA474Accident · 1 fatalField investigationFinal reportPoe G L/Poe S Y 540 · Chualar, CAThe pilot’s incapacitation due either to g-induced loss of consciousness alone or in combination with a cardiac arrhythmia. Contributing to the accident was the pilot’s use of several medications.NTSB ERA11FA512Accident · 1 fatalField investigationFinal reportHeronimus Kevin A Glasair III · Falls of Rough, KYThe failure of the propeller power speed reduction unit, which resulted in a loss of engine power at low altitude.NTSB WPR11CA433Accident · No injuriesData collectionFinal reportSherman Craig W Glasair III · Kanab, UTThe pilot’s failure to maintain directional control during the landing roll, as a result of a flat left main landing gear tire.NTSB CEN11LA558Accident · No injuriesLimited investigationFinal reportPiper Aerostar 601P · Alpine, TXThe pilot’s improper flare which resulted in a hard landing. Contributing to the accident was the pilot’s improper decision to fly the airplane with a known mechanical deficiency.NTSB WPR11FA395Accident · 1 fatalField investigationFinal reportMaule M-7-235C · Brookings, ORThe pilot’s improper decision to continue flight under visual flight rules into instrument meteorological conditions, which resulted in a collision with trees while on approach for landing.NTSB ANC11CA075Accident · No injuriesData collectionFinal reportPiper PA-32-301 · Kodiak, AKA partial loss of engine power while on approach to land due to a disconnected throttle control linkage, and the maintenance director's inadequate inspection of the throttle linkage during maintenance.NTSB ERA11CA445Accident · No injuriesData collectionFinal reportPiper PA-32RT-300 · Charleston, SCThe pilot's decision to continue the approach and landing at a high airspeed, which resulted in an improper touchdown point and subsequent runway excursion.NTSB ERA11FA412Accident · 2 fatalField investigationFinal reportCessna 182S · Erwin, NCThe pilot’s loss of control due to spatial disorientation while maneuvering in dark night conditions.NTSB CEN11CA492Accident · No injuriesData collectionFinal reportCessna 182S · Meeker, COThe pilot's inadvertent flight into a downdraft, which resulted in an in-flight collision with trees.NTSB ERA11LA386Accident · No injuriesLimited investigationFinal reportPiper PA-32R-301 · Louisville, KYThe pilot's improper flare and inadequate recovery from a bounced landing, which resulted in a landing gear collapse.NTSB CEN11LA399Accident · 1 fatalLimited investigationFinal reportPiper PA-36-300 · Highmore, SDThe pilot did not maintain control of the airplane while maneuvering at low altitude.NTSB CEN11CA325Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 II · Golden, COThe pilot’s decision to operate the helicopter at a high density altitude near terrain, which resulted in a settling with power condition.NTSB CEN11LA320Accident · No injuriesLimited investigationFinal reportCommander 114-B · Sandusky, OHThe pilot's inadequate directional control while landing in a variable crosswind.NTSB ERA11FA272Accident · 1 fatalField investigationFinal reportRobinson Helicopter R44 II · Indiana, PAThe pilot's operation of the helicopter at a low-forward airspeed out of ground effect, which resulted in the helicopter’s loss of translational lift and tail rotor authority and the pilot’s subsequent loss of helicopter control.NTSB ANC11LA027Accident · No injuriesLimited investigationFinal reportPiper PA-32-301 · Cold Bay, AKAn in-flight encounter with unforecast turbulence, which resulted in structural damage to the stabilator.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.NTSB WPR11LA179Accident · Serious injuriesLimited investigationFinal reportEagle DW1 · Newman, CAThe pilot’s inadequate visual lookout and failure to maintain clearance from a vehicle during a low-altitude operation.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.NTSB CEN11CA140Accident · No injuriesData collectionFinal reportRockwell International 114A · North Lima, OHThe pilot’s failure to maintain directional control during the landing touchdown.NTSB WPR11FA082Accident · 3 fatalField investigationFinal reportAero Commander 114B · Lander, WYThe non-instrument-rated pilot's decision to continue visual flight in instrument or marginal visual meteorological conditions in mountainous terrain, which resulted in controlled flight into terrain. Contributing to the accident was the pilot's lack of…NTSB ERA11CA062Accident · No injuriesData collectionFinal reportCessna 182 · Sevierville, TNThe pilot's inadequate landing flare, which resulted in a bounced landing.NTSB CEN11LA066Accident · 1 fatalLimited investigationFinal reportGearn Geary D Swearingen SX300 · Milford, IAA loss of control for undetermined reasons.NTSB ERA11LA048Accident · 2 fatalLimited investigationFinal reportBean R E/R B Weld Glasair III · Winchester, TNThe pilot's inadvertent climb and entry into instrument meteorological conditions during a course reversal, which resulted in spatial disorientation and a loss of control.NTSB WPR11FA027Accident · 2 fatalField investigationFinal reportReed Glasair III SH-3R · Lake Mathews, CAThe pilot’s failure to maintain clearance from terrain while maneuvering at low altitude beneath a cloud layer.NTSB ERA10CA490Accident · No injuriesData collectionFinal reportPiper PA32R · Chamblee, GAA loss of engine power due to fuel starvation as a result of the pilot's improper placement of the fuel selector.NTSB CEN10LA556Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Duluth, MNThe pilot's failure to identify and arrest the helicopter's descent due to spatial disorientation.