Final NTSB investigations: Lycoming HIO-360-G1A
18 cases on aircraft whose registry engine model is Lycoming HIO-360-G1A. 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 per year
| 2006 | 1 |
|---|---|
| 2008 | 1 |
| 2009 | 1 |
| 2010 | 2 |
| 2011 | 2 |
| 2012 | 1 |
| 2013 | 1 |
| 2014 | 2 |
| 2015 | 1 |
| 2018 | 2 |
| 2019 | 1 |
| 2023 | 1 |
| 2025 | 2 |
Where
Open the mapLatest cases
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.\"completionStatus\" = 'Completed'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41898'))
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."completionStatus" = 'Completed'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41898'))
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 ERA25LA255Accident · Minor injuriesClass 4 · LimitedFinal reportSchweizer 269C · Madisonville, KYThe pilot’s failure to take the appropriate corrective action for ground resonance, which resulted in a loss of helicopter control.NTSB CEN25LA107Accident · No injuriesClass 3 · LimitedFinal reportSchweizer 269C-1 · Alvord, TXA total loss of engine power for a reason that could not be determined.NTSB CEN23LA301Accident · Minor injuriesClass 4 · LimitedFinal reportSchweizer 269C-1 · Titusville, FLThe student pilot’s failure to maintain helicopter control while on the ground when his attention was diverted for post flight activities.NTSB ERA19LA245Accident · Serious injuriesClass 3 · LimitedFinal reportSchweizer 269C · Allentown, PAInadequate maintenance of the helicopter’s magnetos, which resulted in a partial loss of engine power during the initial climb due to a failure of the left magneto and malfunction of the right magneto.NTSB WPR18LA265Accident · No injuriesClass 3 · LimitedFinal reportSchweizer 300CBi 269C1 · Granada Hills, CAA partial loss of engine power that was the result of a loss of compression in the No. 1 and 4 cylinders due to damage and material separation from the exhaust valve heads, which resulted in a subsequent forced, hard landing. Contributing to the accident was…NTSB ERA18LA068Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Fort Lauderdale, FLThe partial loss of engine power during the initial climb due to a stuck intake valve on the No. 4 cylinder.NTSB GAA16CA045Accident · No injuriesData collectionFinal reportSchweizer 269C 1 · Mount Pocono, PAThe student pilot's failure to remove the tension applied to the cyclic before takeoff, which resulted in a loss of directional control and the tail rotor striking the ground.NTSB ERA14CA348Accident · Minor injuriesData collectionFinal reportSchweizer 269C · Titusville, FLThe student pilot's failure to initiate the decelerative flare during autorotation and the CFI's delayed remedial action, which resulted in a hard landing.NTSB ERA14LA101Accident · No injuriesLimited investigationFinal reportSchweizer 269C 1 · Titusville, FLThe flight instructor’s inadvertent side-loading of the left skid while demonstrating a running landing, which resulted in a bending overstress fracture of the left skid tube and a subsequent roll-over.NTSB ERA13LA180Accident · No injuriesLimited investigationFinal reportSchweizer 269C · Titusville, FLAn engine failure due to the separation of the engine crankcase, which resulted from the lateral movement of the center main bearing and the subsequent blocking of the oil feed hole that supplied oil to the No. 2 connecting rod, which then led to its failure…NTSB ERA12CA375Accident · No injuriesData collectionFinal reportSchweizer 269C-1 · Titusville, FLThe flight instructor’s inadequate supervision and delayed remedial action during a simulated engine-out procedure, which resulted in a hard landing.NTSB ERA11CA474Accident · Minor injuriesData collectionFinal reportSchweizer 269C-1 · Titusville, FLThe student pilot's landing at an unapproved location, which resulted in a ground fire from the engine exhaust.NTSB ERA11CA201Accident · No injuriesData collectionFinal reportSchweizer 269C-1 · Mount Pocono, PAThe flight instructor's selection of an unsuitable landing site to practice autorotations, which resulted in an inadvertent dynamic rollover during touchdown.NTSB ERA11CA012Accident · No injuriesData collectionFinal reportSchweizer 269C-1 · Titusville, FLAn inadvertent in-flight collision with a bird.NTSB ERA10FA283Accident · 1 fatalField investigationFinal reportSchweizer 269C-1 · Boxborough, MAThe FAA inspector's rapid reduction of power which resulted in a loss of engine power and his decision to initiate a turn during the autorotation without sufficient altitude to clear obstacles. Contributing to the accident was the FAA’s lack of comprehensive…NTSB ERA10CA010Accident · No injuriesData collectionFinal reportSchweizer 269C-1 · Lewiston, METhe loss of tail rotor effectiveness (LTE) resulting from hovering the helicopter in a tailwind.NTSB MIA08CA202Accident · Minor injuriesData collectionFinal reportSchweizer 269C-1 · Titusville, FLThe flight instructor's delayed remedial action during a simulated autorotation.NTSB ANC06CA090Accident · Minor injuriesData collectionFinal reportSchweizer 300C · Titusville, FLThe failure of the certificated flight instructor (CFI) to maintain control of the helicopter, which resulted in an in-flight collision with terrain. A factor associated with the accident was the dual student's improper use of the cyclic trim.