NTSB investigations
16 cases where NTSB found Oil system.
Cases per year
| 2009 | 1 |
|---|---|
| 2011 | 1 |
| 2012 | 1 |
| 2013 | 2 |
| 2014 | 2 |
| 2015 | 2 |
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 1 |
| 2023 | 1 |
| 2024 | 2 |
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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f.\"findingCode\", '01057261')) 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01057261')) ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
Run 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 CEN24LA239Accident · No injuriesClass 3 · LimitedFinal reportThrush S2R · Hebron, NDForeign object debris in the Negative Torque Sensing (NTS) system check valve, which impeded the flow of oil to the NTS system and the propeller governor (PG) reset piston, resulting in a total loss of engine power and an off-airport forced landing.…NTSB WPR24FA132Accident · 1 fatalClass 3 · FieldFinal reportBell 206-L4 · Anaconda, MTA total loss of engine power due to a loss of cooling oil to the turbine-to-compressor coupling shaft and subsequent fracture of the shaft at an altitude too low for the pilot to complete a successful autorotation. Contributing to the accident was carbon…NTSB WPR24LA041Accident · No injuriesClass 3 · LimitedFinal reportBell OH-58A · Brawley, CAA total loss of engine power due to the failure of the No. 8 bearing and the subsequent failure of the scavenge oil pump.NTSB CEN19LA231Accident · No injuriesClass 3 · LimitedFinal reportAyres S2R · Breckenridge, MIA total loss of engine power due to a lack of oil in the engine. The source of the inflight oil leak could not be determined based on the available information.NTSB WPR18LA269Accident · No injuriesClass 3 · LimitedFinal reportRobinson R44 · Wahiawa, HILoss of oil in flight as a result of a loose oil filter adapter which resulted in the pilot initiating an immediate landing to an open field. Contributing to the accident was the pilot's manipulation of the throttle that led to a reduction in rotor rpm, which…NTSB WPR17LA133Accident · Minor injuriesLimited investigationFinal reportEurocopter EC 130 B4 · Boulder City, NVA loss of engine power due to the failure of the manufacturer to reinstall the oil filter after it was removed for inspection, which led to coke pollution that obstructed the oil jet and resulted in the subsequent oil starvation of the axial compressor rear…NTSB CEN17IA094Incident · No injuriesClass 2 · IncidentFinal reportEurocopter Deutschland MBB BK 117 C-2 · Sioux Falls, SDThe gas generator rear bearing oil scavenge line blocked with coke, which resulted in a failed rear bearing due to an excess of oil lubrication. Contributing to the incident was the operator not completely performing the maintenance items and not utilizing an…NTSB ERA15LA280Accident · No injuriesClass 3 · LimitedFinal reportMD Helicopter 369FF · Vega Baja, PRA total loss of engine power due to insufficient lubrication to the engine's No. 2 bearing, which resulted in the failure of the bearing and a subsequent forced landing.NTSB ERA15LA138Accident · No injuriesLimited investigationFinal reportBell 206 · Sevierville, TNAn uncontained engine failure, which resulted from insufficient lubrication of the No. 4 bearing due to carbon buildup on the filter screen of the bearing's oil supply nozzle.NTSB ERA14LA368Accident · No injuriesLimited investigationFinal reportGulfstream-Schweizer A/C G-164B · Bonifay, FLA partial blockage of the No. 2 bearing oil nozzle jet by bearing material, which resulted in oil starvation and the subsequent failure of the No. 2 bearing and total loss of engine power.NTSB CEN14FA232Accident · No injuriesField investigationFinal reportBell 407 · Telluride, COThe failure of the power turbine thrust (No. 5) bearing due to overheating as a result of oil starvation, which led to the engine failure. Also causal to the accident was an undocumented repair to the gearbox cover oil delivery tube port during which an…NTSB ERA13LA421Accident · Serious injuriesLimited investigationFinal reportAmerican Eurocopter AS350B2 · Canton, MSThe pilot’s improper decision to continue flight with a low engine oil pressure warning light instead of landing immediately in accordance with the flight manual emergency checklist. Contributing to the accident was the maintenance technician’s failure to…NTSB ERA13IA313Incident · No injuriesIncident investigationFinal reportBell Helicopter Textron Canada 206 · New York, NYThe improper maintenance decision to adjust the engine oil pressure regulator valve in response to high oil pressure indications rather than to properly troubleshoot the anomaly, which then allowed an existing oil supply path blockage to increase and led to…NTSB ERA12LA258Accident · No injuriesLimited investigationFinal reportRotorcraft Developement OH-58C · McComb, MSA total loss of engine power due to oil starvation at the Nos. 5 and 8 engine bearings, which resulted in a catastrophic engine failure.NTSB ENG11IA021Incident · No injuriesIncident investigationFinal reportBombardier DHC 8 402 · Pittsburgh, PAthe flight crew's delay in shutting down the left engine following an engine oil pressure master warning, which led to a hard rub inside the engine that served as an ignition point for a titanium fire. Contributing to the event was a PW150 No. 5 seal design…NTSB CEN09LA574Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Kimball, NEA loss of engine power due to improper installation of an oil line fitting resulting in oil depletion.