NTSB investigations: Lycoming HIO-360 series
390 cases on aircraft whose registry engine model is Lycoming HIO-360 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 ('41524'))
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 ('41524'))
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 ERA13LA433Accident · 1 fatalLimited investigationFinal reportEnstrom F-28C · Bloomsburg, PAThe relieved pilot’s failure to maintain clearance from the rotating main rotor blades after he exited the helicopter.NTSB CEN13LA431Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C · Gary, SDThe failure of the engine connecting rod due to fatigue.NTSB ERA13LA300Accident · Minor injuriesLimited investigationFinal reportSikorsky 269C · Lumberton, NJThe pilot's movement of the throttle to the idle detent at the beginning of a practice autorotation, which was contrary to procedures and resulted in the engine hesitating during the power recovery and a subsequent hard landing.NTSB WPR13CA253Accident · No injuriesData collectionFinal reportSchweizer 300C · Hamilton, MTThe student pilot’s failure to maintain helicopter control during a practice autorotation and the flight instructor's delayed remedial action.NTSB CEN13CA238Accident · No injuriesData collectionFinal reportEnstrom F-28C · Lanesboro, IAThe pilot’s failure to maintain control of the helicopter while making an off-airport landing with a gusty tailwind.NTSB CEN13LA218Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C-1 · Cleveland, OHThe pilot’s improper flare with a high descent rate, which resulted in a hard landing.NTSB WPR13LA167Accident · No injuriesLimited investigationFinal reportEnstrom F-28F · Twin Falls, IDA total loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB WPR13CA160Accident · No injuriesData collectionFinal reportHughes 269C · Rialto, CAThe student pilot’s failure to maintain helicopter control while maneuvering in a hover.NTSB CEN13LA099Accident · No injuriesLimited investigationFinal reportEnstrom F-28C · Abilene, TXThe flight instructor's failure to conduct an autorotation following the loss of engine power due to fuel exhaustion. Contributing to the accident was the failure of the flight instructor and the student pilot to visually check fuel levels to ensure adequate…NTSB CEN12LA648Accident · No injuriesLimited investigationFinal reportHughes 269A · Mc Cool Junction, NEThe flight instructor’s inadequate supervision of the student pilot’s entry into the autorotation, which resulted in a hard landing. Contributing to the accident was the loss of engine power as a result of the student pilot rapidly lowering the helicopter’s…NTSB CEN12LA343Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Denver, COThe inadequately overhauled landing gear dampers that allowed initiation of a ground resonance event from which the pilot was unable to recover. Contributing to the accident was the overhaul facility's failure to identify the overcharged dampers and a lack of…NTSB ERA12LA368Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Piney Flats, TNThe mechanic’s improper maintenance of the main transmission aft pinion nut and belt drive system, which resulted in the uncoupling of the tail rotor driveshaft and the subsequent loss of helicopter control.NTSB ERA12LA362Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Asheville, NCThe use of an aftermarket skid shoe, which resulted in the skid shoe becoming caught on a runway centerline light during the run-on landing.NTSB ERA12CA357Accident · No injuriesData collectionFinal reportHughes TH-55 · Pittsfield, PAThe student pilot's failure to maintain helicopter control during an encounter with loss of tail rotor effectiveness.NTSB CEN12LA181Accident · No injuriesLimited investigationFinal reportSikorsky 269C · Staples, TXThe pilot's failure to attain the proper descent rate during autorotation, which resulted in a hard landing. Contributing to the accident were the inflight vibrations and loss of torque pedal response for undetermined reasons.NTSB WPR12LA111Accident · No injuriesLimited investigationFinal reportEnstrom F28 · Kalispell, MTA total loss of engine power for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB WPR12CA100Accident · Minor injuriesData collectionFinal reportSchweizer 269C · Las Vegas, NVThe pilot's inadequate compensation for the known wind conditions during a hovering maneuver, which resulted in a loss of tail rotor effectiveness and directional control.NTSB CEN12CA031Accident · No injuriesData collectionFinal reportHughes 269A · Fort Worth, TXThe inadvertent entry into ground resonance after a hovering autorotation.NTSB WPR11LA462Accident · No injuriesLimited investigationFinal reportHughes 269C · Ramona, CAThe flight instructor’s failure to follow the proper procedure while demonstrating a practice autorotation, which resulted in a total loss of engine power and subsequent hard landing.NTSB ERA11LA428Accident · Minor injuriesLimited investigationFinal reportSchweizer 269C · Darlington, MDInadequate maintenance of the helicopter's landing gear dampers, which resulted in a main rotor out-of-balance condition and ground resonance encounter.NTSB WPR11LA325Accident · Minor injuriesLimited investigationFinal reportHughes 269C · Wenatchee, WAThe pilot's failure to maintain control while hovering out of ground effect at low altitude, which resulted in the helicopter settling into trees.NTSB CEN11CA442Accident · No injuriesData collectionFinal reportSchweizer 269C · Katy, TXThe pilot's failure to maintain adequate rotor rpm during a low-altitude maneuvering flight.NTSB CEN11LA414Accident · No injuriesLimited investigationFinal reportEnstrom F-28C-2 · Blair, NEThe failure of a tail rotor pitch change link due to the retaining bolt becoming separated in flight. Contributing to the accident was the pilot’s inadequate preflight inspection.NTSB CEN11LA397Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Grand Forks, NDThe student pilot's inadequate recovery from an autorotation and the CFI's delayed remedial action.NTSB WPR11CA250Accident · Serious injuriesData collectionFinal reportSchweizer 269C · Las Vegas, NVThe pilot's failure to maintain adequate clearance from terrain while attempting a transition from hovering flight to forward flight over a mesa in windy, downdraft conditions.NTSB ERA11LA116Accident · No injuriesLimited investigationFinal reportSchweizer 269C-1 · Stuart, FLThe student pilot's inadvertent activation of the collective control, which allowed the helicopter to become airborne and impact the ramp.NTSB WPR10CA442Accident · No injuriesData collectionFinal reportSchweizer 269C · Caldwell, IDThe failure of both pilots to maintain adequate main rotor RPM, the flight instructor's delayed remedial actions, and inadequate supervision of the flight.NTSB ERA10CA432Accident · No injuriesData collectionFinal reportSchweizer 269C-1 · Titusville, FLThe instructor's delayed remedial action, which resulted in a loss of rotor rpm and a hard landing.NTSB ERA10CA399Accident · No injuriesData collectionFinal reportSchweizer 269C · Baldwin, FLA loss of tail rotor effectiveness during a hover.NTSB CEN10CA390Accident · No injuriesData collectionFinal reportSchweizer 269C · Santa Rosa, NMThe student pilot's failure to maintain control of the helicopter while landing in gusty surface winds conditions. Contributing to the accident was the flight instructor's inadequate monitoring of the flight.NTSB ERA10CA134Accident · No injuriesData collectionFinal reportEnstrom F-28C · Fort Pierce, FLThe pilot's inadvertent encounter with settling with power while hovering downwind.NTSB ERA09CA349Accident · No injuriesData collectionFinal reportSchweizer 269C-1 · Titusville, FLThe pilot's failure to maintain control of the helicopter during hover, resulting in a rollover.NTSB WPR09LA213Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Las Vegas, NVLoss of engine power during approach for undetermined reasons.NTSB CEN09LA202Accident · Serious injuriesLimited investigationFinal reportHughes 269C · El Indio, TXThe pilot's failure to maintain control of the helicopter while attempting to land on a transport trailer in heavy rain and gusting winds.NTSB CHI08CA267Accident · No injuriesData collectionFinal reportHughes 269A · Bremen, OHThe pilot's failure to maintain sufficient main rotor speed during the quick-stop maneuver. Contributing to the accident was the drainage ditch.NTSB CHI08CA203Accident · No injuriesData collectionFinal reportEnstrom F28F · Amberg, WIThe unsuitable terrain encountered by the pilot during a forced landing following a loss of engine power due to a cylinder head separation. Contributing to the accident was the tree.NTSB LAX08LA196Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Buffalo, WYThe pilot's attempted downwind takeoff that resulted in an aborted takeoff. Contributing to the accident was the unsuitable terrain.NTSB LAX08CA178Accident · Minor injuriesData collectionFinal reportSchweizer 269C · Cedar Valley, UTThe pilot's failure to maintain terrain clearance while maneuvering. A contributing factor was the high density altitude.NTSB NYC08CA195Accident · Minor injuriesData collectionFinal reportSchweizer 269C · Mt. Olive, ALThe flight instructor's inadequate remedial action following an encounter with ground resonance.NTSB DFW08CA114Accident · No injuriesData collectionFinal reportHughes 269A · Killeen, TXThe pilot's failure to maintain main rotor RPM and a safe rate of descent during the autorotation. A contributing factor was the gusty winds.NTSB LAX08CA069Accident · Minor injuriesData collectionFinal reportSchweizer 269C · Las Vegas, NVThe certificated flight instructor's delayed remedial action, and inadequate supervision while landing on a pinnacle. Factors contributing to the accident were the lack of suitable terrain for a forced landing, and the student's failure to maintain rotor rpm.NTSB CHI08CA020Accident · Serious injuriesData collectionFinal reportSchweizer 269C · Hazelton, INThe pilot's failure to maintain adequate main rotor speed during the intentional autorotation, and his subsequent inability to reduce the descent rate prior to impact. A contributing factor was the intentional autorotation initiated by the pilot.NTSB SEA08LA035Accident · Serious injuriesLimited investigationFinal reportSchweizer 269C · Newberg, ORThe student pilot's inadvertent application of the fuel shut off valve during flight. Contributing to the accident were the locations of the heater and fuel shutoff controls.NTSB SEA08FA022Accident · 1 fatalField investigationFinal reportHughes 269C · Baker City, ORThe pilot’s failure to maintain main rotor rpm while maneuvering.NTSB LAX07CA267Accident · Minor injuriesData collectionFinal reportHughes 269C · Ramona, CAa loss of engine power for undetermined reasons.NTSB SEA07CA220Accident · No injuriesData collectionFinal reportHughes 269C · Three Forks, MTThe student pilot's failure to maintain control of the aircraft during autorotation. The flight instructor's inadequate supervision was a factor.NTSB DFW07CA146Accident · No injuriesData collectionFinal reportSchweizer 269C · Slidell, LAThe pilot's encounter with settling with power condition while hovering out of ground effect. A contributing factor was the prevailing tailwind.NTSB MIA07CA103Accident · Serious injuriesData collectionFinal reportHughes 269A · Las Piedras, PRThe failure of the non-certificated pilot to maintain a proper rate of descent during the autorotative landing following a reported loss of engine power for undetermined reasons, resulting in a hard landing.NTSB LAX07LA106Accident · No injuriesLimited investigationFinal reportEnstrom F-28F · Monmouth, ORThe failure of the main drive belt tension assembly shaft due to high cycle, low stress fatigue.NTSB DFW07LA061Accident · Minor injuriesLimited investigationFinal reportHughes 269A · Fulshear, TXThe loss of engine power for undetermined reasons. A contributing factor was the lack of suitable terrain for the forced landing.