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 WPR22LA046Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV10 · Hurricane, UTThe total loss of engine power due to a loose fuel line at the fuel servo outlet port.NTSB WPR22FA044Accident · 1 fatalClass 3 · FieldFinal reportJahnke Lionel G Glasair III · Big Bear City, CAThe pilot’s failure to maintain clearance from mountainous terrain for reasons that could not be determined based on the available information, which resulted in controlled flight into terrain.NTSB WPR21LA359Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Phoenix, AZThe student pilot's failure to maintain helicopter control while making a clearing turn which resulted in a hard landing.NTSB WPR21LA357Accident · Serious injuriesClass 3 · LimitedFinal reportFonville Swearingen SX300 · Buckeye, AZThe total loss of engine power due to the failure of the left magneto.NTSB WPR21LA347Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-32R-301 · Stanley, IDThe pilot’s failure to maintain airplane control during landing with a gusting crosswind which, resulted in a hard landing and collision with terrain.NTSB ANC21LA080Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Pelican, AKThe pilot’s loss of control while landing on a remote helipad.NTSB ANC21LA079Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Pelican, AKThe pilot’s improper preflight planning to ensure adequate power to hover out-of-ground effect while conducting external load operations.NTSB WPR21LA341Accident · No injuriesClass 4 · LimitedFinal reportRobinson R44 · Camp Verde, AZThe pilot's inadequate preflight performance calculations which resulted in an aborted takeoff and collision with trees.NTSB CEN21LA378Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Gonzales, LAThe pilot’s inadvertent collision with a tree while landing at night which resulted in a hard landing.NTSB CEN21LA358Accident · No injuriesClass 3 · LimitedFinal reportCessna 182 · Patterson, LAThe mechanic’s failure to properly secure the throttle arm rendering it loose and inoperable after takeoff, which resulted in a total loss of engine power.NTSB CEN21LA321Accident · No injuriesClass 4 · LimitedFinal reportSwann Lynn J Seawind 3000 · Charlevoix, MIThe loss of engine power for undetermined reasons based on available evidence.NTSB CEN21LA302Accident · Minor injuriesClass 3 · LimitedFinal reportPiper Aerostar 600A · Wichita, KSThe pilot’s improper fuel planning and management, which resulted in a total loss of engine power due to fuel exhaustion.NTSB CEN21LA273Accident · No injuriesClass 3 · LimitedFinal reportTony Dubeansky RV10 · Fort Worth, TXA partial loss of engine power due to a separated electronic ignition system connector. Contributing to the accident was the location of the ignition boxes, which provided limited access to the connectors for visual inspection.NTSB ERA21LA252Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Sylva, NCThe pilot’s intentional departure from the procedures published in the manufacturer’s flight training guide, and his subsequent loss of engine rpm, rotor rpm, and aircraft control.NTSB ERA21LA241Accident · Serious injuriesClass 4 · LimitedFinal reportPiper PA-24-260 · Robbinsville, NJThe pilot’s mismanagement of fuel, which resulted in a total loss of engine power.NTSB WPR21LA204Accident · Serious injuriesClass 3 · LimitedFinal reportMcclure B J Glasair III · Eugene, ORThe pilot’s loss of airplane control during the approach to landing due to an asymmetrical flap deployment for reasons that could not be determined based on the available evidence.NTSB ERA21LA186Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-32R-301 · Troy, ALAn unanticipated encounter with a deer shortly after touchdown, resulting in a collision and substantial damage to the airframe.NTSB WPR21LA362Accident · No injuriesClass 3 · LimitedFinal reportMaule MX-7-235 · Ontario, ORA loss of hydraulic fluid and failure of the right brake for reasons that could not be determined due to a lack of available evidence.NTSB ERA21LA153Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-32RT-300 · Brevard, NCThe pilot’s improper landing flare, which resulted in a hard landing, overstress fracture of components of the left main landing gear, and subsequent runway excursion.NTSB ANC21LA017Accident · Minor injuriesClass 4 · LimitedFinal reportMaule M-6-235 · Tyonek, AKThe pilot’s selection of unsuitable terrain for landing, which resulted in the airplane encountering deep snow and coming to rest inverted.NTSB ERA21LA123Accident · No injuriesClass 4 · LimitedFinal reportPiper PA-32-301 · Homestead, FLA total loss of power for reasons that could not be determined, as the airplane was not recovered from the water following the ditching.NTSB CEN21LA112Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-32R-301 · Sparta, MIThe pilot’s failure to maintain the proper glideslope during final approach, which resulted in contact with a snowbank at the approach end of the runway.NTSB CEN20LA401Accident · 3 fatalClass 3 · LimitedFinal reportPiper PA32 · Kokomo, INThe pilot’s inadequate visual lookout, which resulted in a collision with a utility pole and the subsequent collision with terrain.NTSB WPR20LA310Accident · Serious injuriesClass 3 · LimitedFinal reportVans RV4 · Clovis, NMThe pilot’s failure to maintain lateral control during initial climb due to distraction, which resulted in an in-flight upset and impact with terrain.NTSB ERA20LA323Accident · No injuriesClass 4 · LimitedFinal reportCessna 182 · Hollywood, FLThe pilot's failure to maintain directional control during a crosswind takeoff, which resulted in a collision with airport lights and a sign.NTSB CEN20LA330Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson R44 · Logan, IAThe failure of the lower actuator bearing support brackets, which resulted in the misalignment of the clutch actuator, a loss of belt tension on the main rotor drive system, and a subsequent forced landing.NTSB WPR20LA239Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV7 · Henefer, UTThe total loss of engine power due to the separation of the idler gear shaft bolts as a result of improper installation, which allowed for the idler gear to become disengaged.NTSB ERA20CA252Accident · Minor injuriesClass 4 · Data collectionFinal reportFurlong CA-6 · Manville, NJA loss of directional control on takeoff for undetermined reasons.NTSB ANC20CA068Accident · No injuriesClass 4 · Data collectionFinal reportRobinson R44 · Ketchikan, AKThe crew leader's decision to throw a chainsaw bar into the moving arc of the main rotor blade.NTSB WPR20CA197Accident · No injuriesClass 4 · Data collectionFinal reportRobinson R44 · Pioche, NVThe pilot’s decision to fly at low level over mountainous terrain and his inability to recover when the helicopter encountered a downdraft that resulted in a collision with terrain.NTSB ANC20LA050Accident · Serious injuriesClass 3 · LimitedFinal reportRockwell 500 · Aniak, AKA loss of engine power due to the use of improper fuel. Contributing to the accident was the failure of the pilot and ground personnel to ensure that the airplane was serviced with the proper fuel.NTSB WPR20LA135Accident · 1 fatalClass 3 · LimitedFinal reportPiper PA-23-250 · Hemet, CAMaintenance personnel’s failure to properly inspect and replace damaged aileron control cables, which resulted in fatigue separation of the aileron control cable and loss of control of the aircraft.NTSB CEN20CA100Accident · Minor injuriesData collectionFinal reportCommander 114 · Coldwater, MIThe flight instructor’s inadequate communication with the pilot under review about his intention to simulate a single-engine failure and his subsequent exceedance of the airplane’s critical angle of attack when the pilot did not respond as expected, which…NTSB ANC20CA023Accident · Minor injuriesClass 4 · Data collectionFinal reportRobinson R44 · Talkeetna, AKThe pilot's failure to maintain adequate clearance from snow covered terrain during an en route descent in flat light conditions, which resulted in controlled flight into terrain.NTSB CEN20CA086Accident · No injuriesData collectionFinal reportCessna 182 · Huron, SDThe pilot's failure to maintain adequate airspeed during final approach, which resulted in the airplane exceeding its critical angle of attack and a subsequent aerodynamic stall at too low of an altitude to recover.NTSB ERA20CA098Accident · No injuriesData collectionFinal reportMaule M7 · Manchester, NHThe pilot's improper landing flare in crosswind conditions, which resulted in a bounced landing, and his subsequent failure to maintain directional control, which resulted in a ground-loop.NTSB CEN20FA070Accident · 3 fatalClass 3 · FieldFinal reportPiper PA60 · Springfield, ILThe pilot’s failure to follow the instrument landing system (ILS) course guidance during the instrument approach.NTSB WPR20FA013Accident · 2 fatalClass 3 · FieldFinal reportRobinson R44 · Las Vegas, NVAn undetermined inflight event that resulted in the pilot performing an autorotation to uneven terrain for reasons that could not be determined due to the extent of impact damage.NTSB ERA20FA014Accident · 2 fatalClass 3 · FieldFinal reportPiper PA32 · Raleigh, NCThe pilot’s failure to maintain a safe glidepath during final approach to the runway, which resulted in a collision with trees and terrain. Contributing was the pilot’s lack of recent instrument flight experience.NTSB WPR20LA009Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 206 · Stockton, CAA total loss of engine power after takeoff for reasons that could not be determined based on the available information.NTSB CEN20LA021Accident · 1 fatalClass 3 · LimitedFinal reportPiper PA23 · (Gulf of Mexico)The airplane’s descent into the ocean for reasons that could not be determined.NTSB CEN20FA002Accident · 1 fatalClass 3 · FieldFinal reportPiper Aerostar 602P · Kokomo, INThe pilot's exceedance of the airplane’s critical angle of attack following a dual engine power loss caused by the line service technician fueling the airplane with the wrong fuel, which resulted in an aerodynamic stall and subsequent loss of control.…NTSB GAA19CA559Accident · No injuriesData collectionFinal reportPiper PA60 · Sedona, AZThe pilot's exceedance of the airplane's critical angle of attack during landing in gusting crosswind conditions, which resulted in an aerodynamic stall.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.NTSB GAA19CA520Accident · No injuriesData collectionFinal reportPiper PA32RT · Mackinac Island, MIThe pilot's failure to maintain directional control during landing with a crosswind, which resulted in a runway excursion and impact with a runway light.NTSB WPR19FA188Accident · 1 fatalClass 3 · FieldFinal reportRobinson R44 · Hayward, CAThe pilots’ loss of control during a low altitude maneuver for undetermined reasons, which resulted in impact with terrain.NTSB WPR19FA178Accident · 1 fatalClass 2 · FieldFinal reportMaule M7-235B · Sunriver, ORA partial loss of engine power due to the separation of baffling in both mufflers. Contributing to the accident was the pilot's failure to retract the landing gear on the float-equipped airplane before performing a forced landing to the river.NTSB GAA19CA310Accident · No injuriesData collectionFinal reportPiper PA23 · Atlanta, GAThe airplane’s impact with a deer on the runway during landing.NTSB WPR19FA148Accident · 2 fatalClass 3 · FieldFinal reportRobinson R44 · Alpine, UTThe noninstrument-rated pilot’s continued visual flight rules flight into instrument meteorological conditions, which resulted in spatial disorientation and subsequent loss of control. Contributing to the accident was hypoxia due to the high altitude at which…NTSB GAA19CA195Accident · No injuriesData collectionFinal reportRobinson R44 · Taunton, MAThe pilot's improper decision to land with a gusting left quartering tailwind and his subsequent attempt to reposition the helicopter and take off, which resulted in a dynamic rollover.