NTSB investigations, 2011
37 cases where the sequence of events included Powerplant sys/comp malf/fail.
Cases per year
| 2008 | 62 |
|---|---|
| 2009 | 57 |
| 2010 | 28 |
| 2011 | 37 |
| 2012 | 36 |
| 2013 | 40 |
| 2014 | 36 |
| 2015 | 36 |
| 2016 | 50 |
| 2017 | 40 |
| 2018 | 38 |
| 2019 | 46 |
| 2020 | 30 |
| 2021 | 35 |
| 2022 | 55 |
| 2023 | 57 |
| 2024 | 60 |
| 2025 | 41 |
| 2026 | 37 |
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 year(c.\"eventDate\") = 2011
AND c.\"mKey\" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '340' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\"))
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 year(c."eventDate") = 2011 AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '340' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")) 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 ERA12FA120Accident · 1 fatalField investigationFinal reportCessna 441 · Nashville, PAThe pilot's failure to maintain minimum control airspeed after a loss of power to the right engine, which resulted in an uncontrollable roll into an inadvertent stall/spin. Contributing to the accident was the failure of the airplane's right engine for…NTSB CEN12FA100Accident · 4 fatalField investigationFinal reportCessna 421C · Sioux Falls, SDThe pilot’s failure to maintain adequate airspeed after shutting down one engine, which resulted in an inadvertent aerodynamic stall and impact with terrain. Contributing to the accident was the pilot’s failure to follow the guidance contained in the pilot’s…NTSB CEN12CA035Accident · Minor injuriesData collectionFinal reportHouts Avid Mark IV · Hibbing, MNThe improper installation of a hose clamp, which resulted in an oil line rupture and subsequent loss of engine oil pressure.NTSB CEN12FA025Accident · No injuriesField investigationFinal reportPiper PA-28R-200 · Watertown, WIThe separation of the number 2 connecting rod from the crankshaft for reasons that could not be determined during postaccident metallurgical examination, which ultimately resulted in a total loss of engine power.NTSB ERA11FA512Accident · 1 fatalField investigationFinal reportHeronimus Kevin A Glasair III · Falls of Rough, KYThe failure of the propeller power speed reduction unit, which resulted in a loss of engine power at low altitude.NTSB CEN11LA669Accident · Serious injuriesLimited investigationFinal reportOwen Vans RV-10 · Marietta, OHThe in-flight engine fire and loss of engine power due to an improperly installed fuel injector nozzle during a recent engine overhaul.NTSB ERA11IA521Incident · No injuriesIncident investigationFinal reportBeech V35 · New Haven, CTThe in-flight fatigue failure of the engine’s crankshaft, which resulted in the separation of the forward portion of the crankshaft and the propeller.NTSB WPR11GA431Accident · Minor injuriesFinal reportBell 205 · Tehachapi, CAThe pilot's inability to adequately execute an emergency autorotation due to the flight's low altitude during external load operations, which resulted in a hard landing. Contributing to the accident was a torsionally overstressed tachometer shaft, which sent…NTSB ERA11LA483Accident · Minor injuriesLimited investigationFinal reportDurling James RV-6A · Hollywood, FLParticulate ingestion from the engine, which resulted in the malfunction of the propeller governor during the airplane’s initial climb.NTSB WPR11LA423Accident · Minor injuriesLimited investigationFinal reportArrow Falcon Exporters UH-1H · Stockton, CAA total loss of engine power due to the separation of a tooth from the starter-generator drive gear, which resulted in failure of the engine oil pump and subsequent oil starvation.NTSB CEN11LA568Accident · Serious injuriesLimited investigationFinal reportQuad City Challenger · Granbury, TXThe leak in the plastic connectors in the fuel lines, which resulted in decreased engine power during the initial climb.NTSB CEN11LA566Accident · No injuriesLimited investigationFinal reportAir Tractor AT-400 · Nelson, NEFailure of the fuel control unit's spool cap bearing for reasons that could not be determined during extensive postaccident examination, and the pilot’s decision to shut the engine down without sufficient altitude and distance to reach the runway.NTSB CEN11LA563Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Mansfield, SDThe loss of engine power due to debris in the engine air intake system.NTSB ERA11LA461Accident · No injuriesLimited investigationFinal reportPiper PA-46-310P · Elizabethtown, NCThe improper securing of a “B” nut on the power turbine control (Py) line by unknown maintenance personnel, which resulted in a total loss of engine power. Contributing to the accident was the pilot's failure to use the manual fuel override switch.NTSB CEN11LA491Accident · No injuriesLimited investigationFinal reportBeech C35 · Medina, OHThe loss of engine power due to fuel starvation due to an age-related failure of the engine-driven fuel pump. Also causal was the failure of the maintenance facility to overhaul the fuel pump and the failure of the operator to ensure that the pump was…NTSB CEN11LA464Accident · Serious injuriesLimited investigationFinal reportBurtner Charles W Derjager D IX · East Liverpool, OHThe pilot's improper landing flare, which resulted in a porpoised landing and propeller contact with the runway, which caused an in-flight disintegration of the propeller during the go-around, and subsequent collision with trees.NTSB WPR11LA311Accident · Minor injuriesLimited investigationFinal reportCessna R182 · Hesperia, CAThe separation of the end baffle cone inside the muffler, which blocked airflow through the engine after takeoff and resulted in a loss of engine power and an off-airport landing into obstacles.NTSB CEN11LA460Accident · No injuriesLimited investigationFinal reportAyres S2R600 · Pine Bluff, ARThe use of an incorrect mounting bolt by maintenance persons to attach the engine torque sensor, which resulted in an internal failure of the torque sensor and subsequent loss of engine power due to fuel starvation.NTSB ERA11LA379Accident · Minor injuriesLimited investigationFinal reportPiper J3C-65 · Egremont, MAA partial loss of engine power due to the No. 4 intake and exhaust valves becoming lodged in the valve guides, which resulted from a lack of use, improper engine storage preparation, and improper return to service from indefinite storage.NTSB ERA11LA383Accident · No injuriesLimited investigationFinal reportCessna 150L · Plymouth, MAA partial loss of engine power during initial climb due to a stuck cylinder valve, which resulted from excessive corrosion and carbon deposits on the valve springs due to inadequate maintenance.NTSB WPR11LA290Accident · Minor injuriesLimited investigationFinal reportChristen Industries Pitts S-1T · Alkali Lake, ORThe loss of engine oil during cruise flight due to the failure of the front bearing oil seal.NTSB ENG11IA035Incident · Minor injuriesIncident investigationFinal reportBoeing 757-232 · Atlanta, GAFuel leaking from the fuel flow transmitter that ignited on contact with the engine’s hot cases which resulted in an engine undercowl fire. The fuel leak resulted from the fuel flow transmitter end housing backing off from the main housing, creating a gap…NTSB CEN11LA413Accident · No injuriesLimited investigationFinal reportCessna 172N · Bedford Park, ILA loss of engine power due to a fractured push rod precipitated by a stuck exhaust valve.NTSB CEN11LA404Accident · Minor injuriesLimited investigationFinal reportAyres S2R-T34 · Athleimer, ARFailure of the first stage planetary gearset in the propeller reduction gearbox, which resulted in catastrophic engine failure. Contributing to the failure was the misrepresentation of the gearset being zero-timed by the company that sold the gearset to the…NTSB CEN11LA367Accident · Minor injuriesLimited investigationFinal reportJones Cozy Mark IV · Sioux City, IAThe pilot's improper installation of the gascolator gasket during the airplane's last condition inspection, which resulted in a partial loss of engine power while maneuvering.NTSB CEN11LA370Accident · Serious injuriesLimited investigationFinal reportBell 47G-3B-1 · Lakeville, MNThe loss of engine power due to a loose B-nut on the compressor discharge pressure bleed line.NTSB ERA11FA233Accident · 1 fatalField investigationFinal reportCessna 402B · Biddeford, METhe pilot did not maintain minimum controllable airspeed while on final approach with a partial loss of power in the right engine, which resulted in a loss of control. Contributing to the accident was the partial loss of engine power in the right engine due…NTSB ERA11LA216Accident · No injuriesLimited investigationFinal reportHiller UH-12E · Culpeper, VAMechanical failure of the transmission for reasons that could not be determined because the transmission could not be torn down.NTSB ERA11LA204Accident · No injuriesLimited investigationFinal reportRobinson R22 · Goshen, NYThe pilot’s failure to adhere to published preflight checklist limitations and procedures, resulting in excessive slack and subsequent failure of the power transmission belts and a total loss of rotor system drive.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 WPR11LA167Accident · No injuriesLimited investigationFinal reportRotorway A600 · Chandler, AZA design modification that changed the fasteners and components used to attach the main rotor drive pulley to the engine, which resulted in fatigue failure of those fasteners and a complete loss of power to the main rotor.NTSB CEN11FA227Accident · No injuriesField investigationFinal reportLancair LC41-550FG · Carbondale, ILThe fatigue fracture and subsequent failure of the No. 2 cylinder exhaust valve during cruise flight, which resulted in a total loss of engine power.NTSB CEN11FA202Accident · Minor injuriesField investigationFinal reportCessna T210M · Independence, MOLatent dimensional discrepancies related to the engine crankcase main bearing saddle bores, which precipitated the fatigue failure of the crankshaft and a complete loss of engine power. Contributing to the accident was the engine manufacturer's failure to…NTSB CEN11LA177Accident · Minor injuriesLimited investigationFinal reportPiper PA-16 · Lake Koshkonong, WIA loss of engine power for undetermined reasons during a low-altitude pass over a frozen lake.NTSB ERA11LA130Accident · No injuriesLimited investigationFinal reportCirrus Design SR22 · Cross City, FLA total loss of engine power resulting from the failure of the camshaft due to fatigue cracks. Contributing to the accident was the inadequate quality inspection of the camshaft after initial manufacture.NTSB WPR11LA102Accident · No injuriesLimited investigationFinal reportPiper PA-28-235 · San Luis Obispo, CAThe loss of engine power due to the fatigue fracture of one attachment bolt for the left idler gear shaft, which resulted from an insufficient preload on both attachment bolts.NTSB ERA11LA117Accident · No injuriesLimited investigationFinal reportConvair 340-71 · Charlotte AmalieThe captain’s decision to continue the flight with the left engine backfiring, resulting in an engine fire shortly after takeoff. Contributing to the accident were the captain’s decision to continue the flight following a report of black smoke trailing the…