NTSB investigations: Lycoming IO-540-AE1A5, CA
9 cases on aircraft whose registry engine model is Lycoming IO-540-AE1A5. 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
| 2009 | 2 |
|---|---|
| 2012 | 1 |
| 2013 | 1 |
| 2017 | 2 |
| 2018 | 2 |
| 2023 | 1 |
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.\"eventStateOrRegion\" = 'CA' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41899'))
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."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41899'))
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 WPR24LA092Accident · No injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Calexico, CAThe pilot's failure to maintain clearance from power lines during an aerial application flight.NTSB WPR19LA002Accident · No injuriesClass 3 · LimitedFinal reportRobinson R44 · Salinas, CAThe partial loss of engine power after takeoff due to faulty wiring to the engine governor.NTSB WPR18LA133Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Borrego Springs, CAThe loss of the helicopter’s drive system for reasons that could not be determined from the available evidence, which led to an autorotation that resulted in a hard landing and rollover on uneven sandy terrain.NTSB WPR17LA159Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Van Nuys, CAAn improper repair of the right magneto's tachometer and governor signal wire, which failed during cruise flight and initiated a simultaneous malfunction of both the engine tachometer and governor control system, which resulted in erroneous and contradictory…NTSB WPR17LA140Accident · Serious injuriesLimited investigationFinal reportRobinson R44 · Bella Vista, CAA partial loss of engine power during low-altitude maneuvering for reasons that could not be determined because postaccident examinations of the engine and airframe revealed no evidence of any preaccident mechanical malfunctions or failures that would have…NTSB WPR13FA264Accident · Minor injuriesField investigationFinal reportRobinson Helicopter R44 II · Los Angeles, CAThe pilot’s loss of helicopter control following a precautionary landing, which resulted in a dynamic rollover.NTSB WPR13FA054Accident · 1 fatalField investigationFinal reportRobinson Helicopter R44 II · Corona, CAThe pilot's failure to maintain clearance between the helicopter’s main rotor blades and the metal canopy of a fuel island.NTSB WPR09LA460Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Valley Center, CAThe failure of the engine’s camshaft due to fatigue of unknown origin.NTSB WPR09LA312Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Lakeport, CAA loss of engine power while maneuvering for undetermined reasons.