NTSB investigations: Lycoming O-360-A1A
7 cases on aircraft whose registry engine model is Lycoming O-360-A1A, 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
| 2013 | 1 |
|---|---|
| 2015 | 1 |
| 2020 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2025 | 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.\"mKey\" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41594')
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 ('41594')
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 ERA25LA234Accident · Minor injuriesClass 3 · LimitedPreliminary reportSteven Scott Grasley RV-7A · Interlachen, FLOn June 13, 2025, about 15:31 eastern daylight time, an experimental, amateur built RV-7A, N783RV, was substantially damaged when it was involved in an accident near Interlachen, Florida. The commercial pilot received minor injuries. The airplane was operated…NTSB CEN22LA308Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV6 · Aurora, COA total loss of engine power due to foreign object debris blockage of engine air intake. The source of the debris could not be determined based on the available information.NTSB WPR21LA271Accident · Serious injuriesClass 3 · LimitedFinal reportVans RV6 · Riverside, CAA total loss of engine power for reasons that could not be determined from available evidence.NTSB CEN21LA243Accident · Serious injuriesClass 3 · LimitedFinal reportPhillips Ralph W Vans RV8 · San Angelo, TXThe loss of engine power due to fuel starvation. Contributing to the accident was the installation of a reduced flow fitting in the fuel line to the carburetor by maintenance personnel.NTSB WPR20LA133Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 177 · Lodi, CAThe fatigue failure of the no. 4 cylinder connecting rod, which resulted in a total loss of engine power.NTSB WPR15LA127Accident · Minor injuriesLimited investigationFinal reportJimenez Vans RV 7A · Dayton, NVA loss of engine power during descent for reasons that could not be determined because postaccident examination of the engine revealed no anomalies that would have precluded normal operation.NTSB CEN13LA536Accident · Minor injuriesLimited investigationFinal reportSweet Wayne A Bushby Mustang II · Woodstock, ILThe pilot's improper fuel management, which resulted in a loss of engine power due to fuel starvation.