NTSB investigations: Lycoming IO-360-A1B6D
14 cases on aircraft whose registry engine model is Lycoming IO-360-A1B6D, 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 | 2 |
|---|---|
| 2010 | 2 |
| 2011 | 2 |
| 2012 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2019 | 2 |
| 2022 | 1 |
| 2023 | 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 ('41593')
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 ('41593')
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 WPR25FA146Accident · 1 fatalClass 3 · FieldFinal reportCessna 177RG · Grass Valley, CAAn improperly tightened B-nut fitting at the fuel flow divider, which resulted in a fuel leak and loss of engine power due to fuel starvation, and the inadequate maintenance inspection, which failed to detect and correct the discrepancy.NTSB ERA23LA197Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 177RG · Crestview, FLThe total loss of engine power due to the loosening and separation of the No. 1 connecting rod cap nuts in flight, resulting in catastrophic internal engine damage. Contributing to the accident was the pilot/owner’s failure to comply with the engine…NTSB WPR22LA287Accident · No injuriesClass 3 · LimitedFinal reportCessna 177RG · Livermore, CAThe total loss of engine power due to an inadequately maintained fuel injection servo.NTSB GAA19CA166Accident · Minor injuriesData collectionFinal reportCessna 177RG · Land O' Lakes, WIThe pilot's improper fuel planning, which resulted in fuel exhaustion and the subsequent total loss of engine power.NTSB CEN19LA091Accident · Serious injuriesClass 3 · LimitedFinal reportVan's RV-8 · Horseshoe Bay, TXA total loss of engine power for reasons that could not be determined based on the available information.NTSB WPR17LA142Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Vacaville, CAThe total loss of engine power during initial climb for reasons that could not be determined because postaccident examination of the engine revealed no mechanical failure or malfunction that would have precluded normal operation.NTSB CEN16LA391Accident · No injuriesLimited investigationFinal reportCessna 177RG · Cloquet, MNA lack of lubrication in the engine for reasons that could not be determined based on the available information, which resulted in a failure of the No. 4 connecting rod and a subsequent total loss of engine power.NTSB CEN13LA076Accident · No injuriesLimited investigationFinal reportCessna 177RG · Lansing, MIA loss of engine power due to the loss of fuel flow through the airplane's fuel tank selector valve.NTSB ERA12FA084Accident · 3 fatalField investigationFinal reportCessna 177RG · Tallapoosa, GAThe failure of the No. 2 rod end cap bolt, which resulted in a total loss of engine power.NTSB WPR11FA186Accident · No injuriesField investigationFinal reportCessna 177RG · Gila Bend, AZA total loss of engine power during cruise flight due to both sets of magneto points failing to open as a result of excessive wear of the magneto cam followers.NTSB ERA11CA047Accident · No injuriesData collectionFinal reportCessna 177RG · Bedford, KYThe mechanic's failure to properly secure a fuel line when it was reinstalled during an engine inspection.NTSB CEN10LA306Accident · No injuriesLimited investigationFinal reportCessna 177RG · Marietta, OHThe total loss of engine power due to the fatigue failure of the No. 2 cylinder attachment fasteners as a result of improper engine overhaul practices.NTSB CEN09LA487Accident · Minor injuriesLimited investigationFinal reportCessna 177RG · Black River Falls, WIThe loss of engine power during cruise due to the number two cylinder piston connecting rod failure for undetermined reasons.NTSB ERA09FA343Accident · 1 fatalField investigationFinal reportCessna 177 RG · Gilford, NHA loss of engine power due to oil exhaustion from the fracture of the nipple for the engine oil cooler return line. Contributing to the accident was the mechanic's signoff and release of the airplane without performing the required engine run-up following an…