NTSB investigations: Lycoming IO-360-L2A
11 cases on aircraft whose registry engine model is Lycoming IO-360-L2A, 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 |
|---|---|
| 2010 | 1 |
| 2012 | 1 |
| 2017 | 1 |
| 2021 | 4 |
| 2025 | 2 |
| 2026 | 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 ('41597')
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 ('41597')
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 ERA26LA215Accident · Minor injuriesClass 3 · LimitedPreliminary reportTextron 172S · Jupiter Farms, FLOn May 22, 2026, about 1518 eastern daylight time, a Textron Aviation 172S, N294PL, was substantially damaged when it was involved in an accident near Jupiter Farms, Florida. The flight instructor and student pilot were not injured. The airplane was operated…NTSB ERA25LA281Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 172S · Kissimmee, FLOn July 30, 2025, at 11:28 eastern daylight time, a Cessna 172S, N121CW, was substantially damaged when it was involved in an accident near Kissimmee, Florida. The private pilot and flight instructor were uninjured. The airplane was operated as a Title 14…NTSB ERA25LA132Accident · No injuriesClass 3 · LimitedPreliminary reportTextron 172 · New Smyrna Beach, FLOn March 1, 2025, about 1138 eastern standard time, a Cessna 172S, N923EP, was substantially damaged when it was involved in an accident near New Smyrna Beach, Florida. The flight instructor and student pilot were not injured. The airplane was operated as a…NTSB ERA21LA388Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Port Orange, FLThe separation of the nut from the stud and the fracture of the bolt that secured the crankshaft idler gear to the engine crankcase, which resulted in a total loss of engine power due to the inability of the left crankshaft idler gear assembly to drive of the…NTSB WPR21LA303Accident · No injuriesClass 3 · LimitedFinal reportCessna 172S · Yelm, WAA total loss of engine power for reasons that could not be determined based on the available evidence.NTSB ERA21LA187Accident · No injuriesClass 3 · LimitedFinal reportCessna 172S · Venice, FLA total loss of engine power for reasons that could not be determined based on the available information.NTSB WPR21LA140Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172S · Everett, WAA total loss of engine power during climb, for reasons that could not be determined based on available evidence.NTSB CEN17LA311Accident · Minor injuriesLimited investigationFinal reportCessna 172S · Wellston, OHThe failure of a connecting rod small end bushing, which resulted in a loss of engine power.NTSB ERA12LA274Accident · No injuriesLimited investigationFinal reportCessna 172S · Daytona Beach, FLA total loss of engine power due to a catastrophic engine failure, the origin of which could not be determined during postaccident examination.NTSB ERA11LA015Accident · No injuriesLimited investigationFinal reportCessna 172SP · Boynton Beach, FLThe loss of engine power for undetermined reasons.NTSB CEN09LA442Accident · Minor injuriesLimited investigationFinal reportCessna 172S · Boyd, TXA total loss of engine power due to the pilot's improper leaning procedures, resulting in a forced landing and collision with a fence.