NTSB investigations: Lycoming 0-360-A1D
9 cases on aircraft whose registry engine model is Lycoming 0-360-A1D, where the defining event was Loss of engine power (total). 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 | 1 |
|---|---|
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 1 |
| 2015 | 1 |
| 2017 | 1 |
| 2021 | 1 |
| 2024 | 1 |
| 2025 | 1 |
Where
Latest 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41504')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e.\"isDefiningEvent\" AND e.\"tier2Number\" = '341'))
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 ('41504')
AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '341'))
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 ERA25LA277Accident · Minor injuriesClass 3 · LimitedPreliminary reportMangels Leighton LANCAIR360 · Hardinsburg, KYOn July 24, 2025, about 1000 central daylight time, an experimental amateur-built Lancair 360, N50LM, was substantially damaged when it was involved in an accident near Hardinsburg, Kentucky. The pilot and the passenger sustained minor injuries. The airplane…NTSB CEN24LA141Accident · No injuriesClass 3 · LimitedFinal reportCozy Mark IV · Gonzales, TXMaintenance personnel’s failure to properly torque the crankshaft idler gear hardware according to the engine manufacturer’s service instructions, which resulted in separation of the crankshaft idler gear’s fasteners and disengagement of the camshaft,…NTSB CEN21LA351Accident · Serious injuriesClass 3 · LimitedFinal reportCozy Mark IV · Rushville, NEA total loss of engine power due to an obstruction of airflow to the engine as a result of the landing brake being deployed in flight.NTSB WPR18LA021Accident · No injuriesLimited investigationFinal reportMetcalfe Robert B Vans RV 6 · Selma, CAThe pilot’s failure to properly secure an alternator ground cable swage that led to problems with the electrical system and/or electronic engine controls, which resulted in a total loss of engine power.NTSB ERA15LA217Accident · No injuriesLimited investigationFinal reportPiper PA-28-181 · Corryton, TNThe failure of the No. 4 engine cylinder due to fatigue, resulting in a catastrophic failure of the engine.NTSB WPR13LA336Accident · No injuriesLimited investigationFinal reportWester/Steiger Glastar · Independence, ORThe total loss of engine power for reasons that could not be determined because postaccident examinations did not reveal any anomalies that would have precluded normal operation.NTSB WPR12LA146Accident · No injuriesLimited investigationFinal reportJacobs RV-6A · Bow, WAThe total loss of engine power due to fuel starvation as a result of the pilot’s mismanagement of the fuel supply.NTSB CEN12CA075Accident · No injuriesData collectionFinal reportGlobe GC-1B · Denver, COA loss of engine power due to fuel starvation as a result of a loose fuel line fitting.NTSB WPR09LA153Accident · 1 fatalLimited investigationFinal reportHowes RV-6 · Paulden, AZA total loss of engine power due to oil starvation as a result of a leak from the inadequate weld repair of a high-pressure oil line. Also causal was the pilot's failure to maintain adequate airspeed while maneuvering that resulted in a stall during an…