NTSB investigations
1,421 cases where the defining event was Loss of engine power (partial).
Cases, newest first
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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.\"isDefiningEvent\" AND e.\"tier2Number\" = '342') 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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '342') 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 ERA24LA152Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Opelika, ALA partial loss of engine power due to a combination of fuel/oil contamination in the fuel injector assembly.NTSB WPR24LA117Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Acton, CAThe pilots inability to fully turn off the carburetor heat which resulted in a reduction of engine power and reduced climb performance. Contributing to the accident was the pilots delayed recovery from the simulated emergency landing.NTSB GAA24WA114AccidentClass 5 · ForeignPiper 24 · Leicestershire, United KingdomNTSB CEN24LA137Accident · No injuriesClass 3 · LimitedFinal reportEnstrom Helicopter 280C · Port Lavaca, TXThe pilot’s improper manual engine mixture management which resulted in a loss of power. Contributing to the accident was the mechanic’s improper setting of the idle mixture adjustment and the pilot’s decision to take off with a known mechanical deficiency.NTSB GAA24WA107Accident · Minor injuriesClass 5 · ForeignCessna 150 · Warsaw, PolandNTSB CEN24LA121Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28-181 · Watertown, SDThe stuck No. 2 cylinder exhaust valve, which resulted in a partial loss of engine power and a forced landing due to an undersized exhaust valve guide. Contributing to the accident were the improper manufacture of the engine cylinders, and the operation of…NTSB GAA24WA090Accident · No injuriesClass 5 · ForeignBritten Norman BN2A · Puerto Baquerizo Moreno, EcuadorNTSB ERA24LA105Accident · No injuriesClass 3 · LimitedFinal reportCessna 150 · Parkland, FLA catastrophic engine failure due to oil starvation to the main bearings for undetermined reasons.NTSB GAA24WA088Accident · Minor injuriesClass 5 · ForeignPiper PA-36 · Orihueca, ColombiaNTSB GAA24WA085Accident · No injuriesClass 5 · ForeignCessna 140 · Buenos Aires, ArgentinaNTSB GAA24WA075Accident · No injuriesClass 5 · ForeignCessna 172 · Speck-Fehraltorf, SwitzerlandNTSB GAA24WA067Accident · Serious injuriesClass 5 · ForeignCessna 208B · Lizard Island, AustraliaNTSB GAA24WA056Accident · No injuriesClass 5 · ForeignCessna F150 · Budapest, HungaryNTSB CEN24LA056Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV6 · Fordyce, ARThe pilot’s failure to attain a proper touchdown point following an unidentified electrical system failure and subsequent partial loss of engine power, which resulted in a runway overrun and impact with terrain. Contributing to the accident was the pilot’s…NTSB GAA24WA050Accident · Serious injuriesClass 5 · ForeignPiper PA30 · Villejuif, FranceNTSB ANC24LA005Accident · Serious injuriesClass 3 · LimitedFinal reportDiamond Aircraft Ind DA 40 · Kapolei, HIA partial loss of engine power due to lose baffling from the muffler, which resulted in an obstruction of the exhaust system.NTSB GAA24WA055AccidentClass 5 · ForeignRobinson R44 · Groenvlei, South AfricaNTSB GAA24WA042Accident · 1 fatalClass 5 · ForeignBeech C23 · Bram Fischer International Airpor, South AfricaNTSB GAA24WA019Accident · Serious injuriesClass 5 · ForeignCessna 208 · Barwon Heads Geelong, AustraliaNTSB ENG24WA006Incident · No injuriesClass 5 · ForeignViking DHC-6-200 · Hulhulé Island, MaldivesNTSB ERA24FA001Accident · 2 fatalClass 3 · FieldFinal reportCessna 177RG · Lake Placid, NYA partial loss of engine power for undetermined reasons. Contributing to the accident was the pilot’s inadequate preflight weight and balance planning and his aggressive low altitude maneuvering, which resulted in an aerodynamic stall and loss of control.NTSB GAA23WA278Accident · No injuriesClass 3 · ForeignDe Havilland DHC2 · Campbel River, CanadaNTSB GAA23WA257AccidentClass 5 · ForeignRobinson R44 · Guatemala City, GuatemalaNTSB ERA23LA372Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 182P · Prospect, TNA loss of engine power due to the fatigue failure of the No. 6 cylinder exhaust valve rocker boss.NTSB ENG23WA036Incident · No injuriesClass 5 · ForeignAirbus A320 · Chihuahua, MX, MexicoNTSB DCA23WA423Incident · No injuriesClass 5 · ForeignDouglas DC9 · Maturin, VenezuelaNTSB GAA23WA238IncidentClass 5 · ForeignBeech 1900 · Nassau, BahamasNTSB ERA23LA331Accident · No injuriesClass 3 · LimitedFinal reportCessna 175 · Wetumpka, ALA total loss of engine power due to the separation of the No. 3 connecting rod from the crankshaft.NTSB ANC23LA062Accident · No injuriesClass 4 · LimitedFinal reportCessna 180J · Chaka Creek, AKA partial loss of engine power as a result of carburetor ice. Contributing to the outcome was the pilot’s failure to effectively use carburetor heat in conditions conducive to the formation of carburetor ice.NTSB WPR23LA314Accident · Serious injuriesClass 3 · LimitedFinal reportReynolds Ronald B Team Acft Z-MAX · Rigby, IDThe loss of engine power during takeoff due to inadequately secured wires, which resulted in the wearing of the wires’ sheaths and the grounding of the airplane’s electrical system. Contributing to the accident was the pilot’s failure to maintain airplane…NTSB WPR23LA307Accident · No injuriesClass 3 · LimitedFinal reportBoeing A75N1(PT17) · Red Lodge, MTA partial loss of engine power during the initial climb out due to improper maintenance of the magneto.NTSB WPR23LA306Accident · No injuriesClass 3 · LimitedFinal reportBoeing CH-46E · Springerville, AZThe flight crew’s misidentification of a No. 2 torque sensing system signal conditioner malfunction when both engines were performing normally, which resulted in their attempt to execute a single-engine steep approach and landing without sufficient engine…NTSB WPR23FA299Accident · 2 fatalClass 3 · FieldFinal reportCzech Sport SportCruiser · Van Nuys, CAThe misalignment of the carburetor piston slides, which resulted in a partial loss of engine power, and the flight instructor’s failure to maintain control of the airplane during an emergency landing, leading to an aerodynamic stall and impact with terrain.NTSB ERA23LA320Accident · 1 fatalClass 3 · LimitedFinal reportMesnard Velocity Twin · Sandersville, GAA total loss of power in the right engine due to the right ECU injector wires being severed by the main landing gear actuator piston teeter bar as a result of a lack of clearance and protection of the wiring bundle.NTSB ERA23LA310Accident · Serious injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · New London, NCA partial loss of engine power due to the No. 4 cylinder’s stuck exhaust valve.NTSB CEN23LA317Accident · No injuriesClass 3 · LimitedFinal reportGrumman G-164A · Patoka, ILA partial loss of engine power due to the failure of two compressor turbine blades as a result of the engine operating near or above the engine’s operating limits for an undetermined amount of time beyond the recommended engine’s TBO limit, which led to…NTSB WPR23LA283Accident · Minor injuriesClass 3 · LimitedFinal reportBeech C35 · Rock Springs, WYMaintenance personnel’s failure to properly secure the propeller pitch control rod castellated nut hardware, which resulted in an in-flight failure of the pitch control bearing and subsequent loss of engine RPM and thrust.NTSB CEN23FA314Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-31P · Kearney, MOThe pilot’s decision to operate an airplane with known fuel leaks, his failure to conduct an engine run-up before takeoff, his subsequent failure to abort the takeoff, and the mechanic’s inadequate maintenance, which resulted in a partial loss of right engine…NTSB WPR23LA278Accident · No injuriesClass 3 · LimitedFinal reportAerospatiale AS-355E Twin Star · Farmington, UTThe premature failure of one of the No. 2 engine compressor bleed valve, which resulted in a partial loss of power to that engine.NTSB CEN23LA313Accident · Minor injuriesClass 3 · LimitedFinal reportPietenpol Aircamper · Gardner, KSA loss of engine power due to lead fouling of a spark plug.NTSB ERA23LA297Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 150L · Elberton, GAThe pilot’s decision to take off with a known engine issue, which resulted in a partial loss of power on the initial climb due to the No. 1 cylinder’s exhaust valve becoming stuck. Contributing to the outcome, was the pilot’s delay in aborting the takeoff.NTSB WPR23LA262Accident · Serious injuriesClass 4 · LimitedFinal reportBeech P35 · Shelter Cove, CAA partial loss of engine power for reasons that could not be determined because the airplane was not located and recovered.NTSB GAA23WA210Incident · No injuriesClass 5 · ForeignCessna 206 · Esrum Sø, DenmarkNTSB ERA23LA288Accident · No injuriesClass 4 · LimitedFinal reportSteen Skybolt · Aliceville, ALA partial loss of engine power for reasons that could not be determined as the wreckage was not recovered and could not be examined.NTSB CEN23LA273Accident · No injuriesClass 3 · LimitedFinal reportBerkut 540 · Cedar Rapids, IAA partial loss of engine power during the test flight due to multiple ignition system anomalies.NTSB ERA23LA285Accident · Minor injuriesClass 3 · LimitedFinal reportDiamond DA40 · Yorktown Heights, NYA fatigue failure of the turbocharger housing, which resulted in a partial loss of engine power.NTSB WPR23FA244Accident · 1 fatalClass 3 · FieldFinal reportCurtiss Wright P-40E · Hamilton, MTA loss of engine power for undetermined reasons.NTSB GAA23WA179Accident · Minor injuriesClass 4 · ForeignCessna 170 · Santiago, BrazilNTSB GAA23WA249AccidentClass 5 · ForeignKitfox Mk IV · Drimmelen, NetherlandsNTSB CEN23LA367Accident · No injuriesClass 3 · LimitedFinal reportCessna 172B · San Angelo, TXA partial loss of engine power due to loose bolts holding the carburetor throttle body to the fuel bowl.