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 GAA23WA170Accident · Serious injuriesClass 5 · ForeignCessna 210L · Groote Eylandt, AustraliaNTSB WPR23FA225Accident · 1 fatalClass 3 · FieldFinal reportCessna R182 · McCall, IDMaintenance personnel's failure to properly torque and inspect the magneto hardware, which resulted in a partial loss of engine power.NTSB ERA23FA265Accident · 1 fatalClass 3 · FieldFinal reportBeech B35 · Orangeburg, SCA stuck No. 3 cylinder intake valve, which resulted in a partial loss of engine power and subsequent forced landing.NTSB ENG23WA029Incident · No injuriesClass 5 · ForeignSikorsky S92 · Sola, NorwayNTSB GAA23WA159Accident · No injuriesClass 5 · ForeignPiper PA-32-260 · Nicholls Town, BahamasNTSB CEN23LA206Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172B · Divide, COA loss of engine power during cruise flight for reasons that could not be determined.NTSB ERA23LA264Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA28 · Lancaster, TNThe fatigue failure of an exhaust valve, resulting in a partial loss of engine power.NTSB WPR23LA196Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172H · Seattle, WAA stuck exhaust valve that resulted in a partial loss of engine power and a forced water ditching.NTSB DCA23WA294Occurrence · No injuriesClass 5 · ForeignEmbraer ERJ 190-100 IGW · Queretaro, MexicoNTSB ERA23LA225Accident · Minor injuriesClass 3 · LimitedFinal reportMooney M20K · Hillsborough Township, NJThe partial loss of engine power due to maintenance personnel’s failure to ensure that the ignition harnesses were properly secured and the pilot’s inappropriate pitch control inputs, which resulted in the airplane exceeding its critical angle of attack and…NTSB WPR23LA175Accident · Minor injuriesClass 3 · LimitedFinal reportCessna P337H · Laurel, MTA partial loss of engine power to the rear engine resulting from cylinder detonation for undetermined reasons, which resulted in a forced landing and impact with terrain.NTSB GAA23WA138Accident · No injuriesClass 5 · ForeignEmbraer EMB810 · Altamira, BrazilNTSB ENG23WA027Incident · No injuriesClass 5 · ForeignBoeing 727 · Bogotá, ColombiaNTSB ENG23WA026IncidentClass 5 · ForeignAirbus A320 · Puerto Vallarta, MexicoNTSB GAA23WA137Accident · No injuriesClass 5 · ForeignCessna 172 · Usa City, JapanNTSB ENG23WA046IncidentClass 5 · ForeignBoeing 747 · Nairobi, KenyaNTSB ERA23FA188Accident · 1 fatalClass 3 · FieldFinal reportMiller Glenn F RV-12 · Climax, NCThe airplane owner/builder’s inappropriate use of a lower grade fuel than that required by the airplane and engine operations manual, which resulted in engine detonation and the degradation and eventual obliteration of the Nos. 1 and 2 cylinder spark plug…NTSB CEN23LA152Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV6 · Goldsby, OKThe engine electronic ignition system became disconnected, which resulted in a partial loss of engine power.NTSB GAA23WA113Accident · No injuriesClass 5 · ForeignPiper PA34 · Boa Vista, BrazilNTSB GAA23WA111Accident · Minor injuriesClass 4 · ForeignPiper PA-34-200T · Conceição do Araguáia, BrazilNTSB WPR23LA117Accident · No injuriesClass 3 · LimitedFinal reportStinson 108 · Lampasas, TXImproper case hardening of the crankshaft timing gear, which resulted in the fatigue failure of the gear and a total loss of engine power.NTSB GAA23WA124Incident · No injuriesClass 5 · ForeignPiper PA28 · Malacca City, MalaysiaNTSB DCA23WA141IncidentClass 5 · ForeignAirbus A321 · Doha, QatarNTSB ERA23LA120Accident · Serious injuriesClass 3 · LimitedFinal reportMooney M20C · Calhoun, GAA partial loss of engine power during the initial climb due to an improperly installed spark plug.NTSB WPR23LA097Accident · No injuriesClass 3 · LimitedFinal reportKaman Aerospace K-1200 · Sweet Home, ORImproper installation of the hardware retaining the adjustment screw in the N2 topping governor lever and roller assembly, which resulted in a partial loss of engine power.NTSB ERA23FA103Accident · 2 fatalClass 3 · FieldFinal reportPiper PA28 · Suffolk, VAThe pilot’s decision to fly the airplane without confirming it had been released from maintenance, which resulted in a partial loss of engine power due to loose magnetos. Contributing to the outcome was the pilot’s failure to maintain adequate airspeed and…NTSB GAA23WA097Accident · 1 fatalClass 5 · ForeignCessna 310F · Puerto Vallarta, MexicoNTSB WPR23FA073Accident · 1 fatalClass 3 · FieldFinal reportCessna 150A · Santa Monica, CAA failure of the No. 1 piston connecting rod bearing journal due to oil starvation for reasons that could not be determined, which resulted in a complete loss of engine power.NTSB GAA23WA031Accident · 2 fatalClass 5 · ForeignRobinson R66 · Kesova Gora, RussiaNTSB ERA23LA058Accident · No injuriesClass 3 · LimitedFinal reportAntonov AN2 · Opa-Locka, FLThe pilot's failure to properly configure the cowl flaps and oil cooler shutters, which resulted in a total loss of engine power due to overheating of the engine. Contributing to the accident was the pilot's decision to operate the airplane in with an…NTSB WPR23LA031Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 150G · Star Valley, AZThe failure of the No. 1 cylinder exhaust or intake valve which resulted in the partial loss of engine power and subsequent impact with terrain.NTSB ERA23FA033Accident · 2 fatalClass 3 · FieldFinal reportBeech A24 · Keene, NHImproper maintenance of the fuel injector nozzles and the pilots’ failure to abort the takeoff during the takeoff roll. Contributing to the accident was the mechanic’s decision to return the airplane to service with the engine unable to attain its full rated…NTSB WPR23LA016Accident · No injuriesClass 3 · LimitedFinal reportQuickie Q2 · Laramie, WYThe partial loss of engine power due to the seizure of the No. 1 cylinder exhaust valve in the valve guide.NTSB CEN23LA009Accident · Minor injuriesClass 4 · LimitedFinal reportYates Mike E Roaring Eagle · Stanwood, IAThe pilot’s exceedance of the airplane’s critical angle of attack in the traffic pattern, which resulted in an aerodynamic stall and loss of airplane control at too low of an altitude to recover. Contributing to the accident was the partial loss of engine…NTSB CEN22FA436Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-28-140 · Allentown, PAA partial loss of engine power for undetermined reasons.NTSB CEN22LA429Accident · No injuriesClass 3 · LimitedFinal reportCommander 114TC · Savoy, TXA loss of engine power for reasons that could not be determined.NTSB GAA22WA288Incident · No injuriesClass 5 · ForeignCessna 172 · Donji Proložac, CroatiaNTSB WPR22LA351Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172L · Ventura, CAA partial loss of engine power due to the fatigue fracture of the No. 4 exhaust valve.NTSB CEN22LA421Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-28R-180 · Broomfield, COA partial loss of engine power due to a collapsed induction hose that blocked engine intake airflow.NTSB ERA22LA412Accident · No injuriesClass 3 · LimitedFinal reportEngineering & Research 415-C · Galion, OHA partial loss of engine power due to an exhaust valve that was stuck in the open position.NTSB CEN22LA413Accident · No injuriesClass 3 · LimitedFinal reportPiper PA32RT · Bulverde, TXThe partial loss of engine power due to excessive carbon deposits that resulted in one or more stuck exhaust valves.NTSB WPR22LA334Accident · Serious injuriesClass 3 · LimitedFinal reportBuxbaum Mark Edward Long EZ · Medicine Bow, WYA partial loss of engine power due to the fatigue fracture of the No. 4 exhaust valve head.NTSB ERA22LA411Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Clearfield, PAA sudden partial loss of engine power for undetermined reasons, which resulted in an off-airport landing.NTSB WPR22LA322Accident · Minor injuriesClass 3 · LimitedFinal reportRay E Roberts Kitfox V Vixen · Caldwell, IDThe partial loss of engine power due to a loose wire leading to the engine’s electronic control unit (ECU). Contributing was the pilot’s exceedance of the critical angle of attack while maneuvering, which resulted in an aerodynamic stall at an altitude too…NTSB ENG22WA044IncidentClass 3 · ForeignAirbus A320 · Guadalajara, MexicoNTSB ERA22LA369Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 172 · Jamestown, NYA partial loss of engine power for reasons that could not be definitively determined.NTSB WPR22LA301Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA-28-140 · Laurel, MTThe loss of climb performance due to undetermined reasons.NTSB GAA22WA258Accident · Minor injuriesClass 5 · ForeignAir Tractor AT-802A · Cranbrook, CanadaNTSB GAA22WA266Accident · Serious injuriesClass 5 · ForeignCessna 172 · Qualicum Beach, CanadaNTSB WPR22LA246Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172B · Silver Springs, NVA loss of engine power for reasons that could not be determined based on the available evidence.