NTSB investigations
1,858 cases where the sequence of events included 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.\"tier2Number\" = '342' 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 c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '342' 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 ERA14LA361Accident · No injuriesLimited investigationFinal reportHiller UH 12E · Wadesboro, NCA partial loss of engine power due to the failure of the No. 2 engine accessory gearbox bearing for reasons that could not be determined based on the available information.NTSB ERA14LA351Accident · Serious injuriesLimited investigationFinal reportSiler Ronald E Ultrastar · Halifax, PAA total loss of engine power for reasons that could not be determined because the engine was not recovered. Contributing to the accident was the pilot's failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle-of-attack during…NTSB CEN14CA395Accident · No injuriesData collectionFinal reportCessna A188B · Milford, NEThe pilot's improper engine mixture setting which reduced available engine power, and his inadvertent retraction of flaps which resulted in an impact with crops and terrain.NTSB CEN14LA385Accident · No injuriesLimited investigationFinal reportEvektor-Aerotechnik Sportstar · Wichita Falls, TXA partial loss of engine power, which resulted in a forced landing on unsuitable terrain. The reason for the loss of engine power could not be determined during postaccident examination.NTSB WPR14LA298Accident · No injuriesLimited investigationFinal reportPiper PA 30 · Othello, WAThe partial loss of engine power for reasons that could not be determined based on the available information.NTSB CEN14CA380Accident · No injuriesData collectionFinal reportDantonio 404 · Wichita Falls, TXThe separation of a spark plug wire resulting in a loss of engine power during climb out and a subsequent forced landing on a field containing trees.NTSB CEN14LA443Accident · Minor injuriesLimited investigationFinal reportPiper PA 28-181 · Waukesha, WIThe loss of engine power for reasons that could not be determined because no anomalies were identified during postaccident examination.NTSB CEN14FA356Accident · 1 fatalField investigationFinal reportMooney M20M · Greenwood, INA partial loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation. Also causal to the accident was the pilots' decision…NTSB ERA14TA326Accident · Serious injuriesFinal reportCessna 336 · Mobile, ALThe pilot’s inadequate preflight fuel planning during which he did not ensure that there was adequate fuel in the main tanks for the flight, which resulted in a loss of engine power.NTSB CEN14LA334Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · Granbury, TXThe partial loss of engine power due to the failure of the exhaust valve.NTSB CEN14LA333Accident · No injuriesLimited investigationFinal reportCessna 172R · Joplin, MOThe partial loss of engine power for reasons that could not be determined because an operational test run of the engine did not reveal any anomalies that would have precluded normal operation.NTSB ERA14LA316Accident · Serious injuriesLimited investigationFinal reportCzech Sport Piper Sport · Peachtree City, GAThe pilot's incomplete assessment of the risk presented by operating an airplane with an unresolved history of engine power losses; a partial loss of engine power during takeoff due to operation of the engine with an excessively rich fuel/air mixture; and the…NTSB ERA14FA313Accident · 1 fatalField investigationFinal reportCessna 182 · Littleton, NCMaintenance personnel's application of sealant to the engine case halves during engine overhaul, contrary to manufacturer's instructions, which resulted in internal failure of the engine due to the loss of case bolt torque.NTSB WPR14LA269Accident · Minor injuriesLimited investigationFinal reportPiper PA 30 · Kalispell, MTThe pilot’s inadequate preflight planning and checks, during which he failed to determine the quantity and distribution of the fuel, which resulted in the loss of right engine power during takeoff due to fuel starvation.NTSB ERA14LA308Accident · No injuriesLimited investigationFinal reportTaylor J-2 · Lock Haven, PAThe airplane owner’s failure to clean and lubricate the engine valve guides and stems, which resulted in a partial loss of engine power during the initial climb due to an exhaust valve failure.NTSB CEN14LA320Accident · No injuriesLimited investigationFinal reportCessna 172XP · St. Cloud, MNThe pilot's failure to maintain the proper airspeed and angle-of-attack after a partial loss of engine power on takeoff, which resulted in a stall and the subsequent impact with water. Contributing to the accident was the partial loss of engine power due to…NTSB CEN14LA301Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164B · Lake City, ARThe partial loss of engine power for reasons that could not be determined based on the available evidence.NTSB WPR14LA251Accident · No injuriesLimited investigationFinal reportAirbus AS 350 BA FX1 · Wailuku, HIThe failure of the engine’s pneumatic fuel control line fitting, resulting in a loss of engine power. Contributing to the failure was the repeated loosening and re-torqueing of the fitting during required maintenance and inspection.NTSB ERA14LA294Accident · No injuriesLimited investigationFinal reportCub Crafters CC18-180 · Pennsboro, WVA loss of engine power during initial climb for reasons that could not be determined because the postaccident engine examination did not reveal any anomalies that would have precluded normal operation.NTSB WPR14LA249Accident · No injuriesLimited investigationFinal reportPiper PA 28-180 · Quincy, CAThe partial loss of engine power during takeoff due to the separation of the exhaust baffling, which resulted in a partial blockage of airflow to the engine. Contributing to the accident was maintenance personnel’s inadequate inspection of the exhaust system…NTSB WPR14LA245Accident · No injuriesLimited investigationFinal reportAir Tractor AT 502B · Princeton, CAThe partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB WPR14LA242Accident · No injuriesLimited investigationFinal reportAdams Dragonfly · Mesa, AZA partial loss of engine power due to a reduction in the No. 3 cylinder’s compression as a result of the exhaust valve not having consistent uniform contact with the cylinder head valve seat.NTSB CEN14LA287Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Pearsall, TXThe failure of the No. 1 cylinder rod at the link pin. Contributing to the accident was oil starvation to the rod bearing due to the improper flushing of the oil cooler, which allowed metal and other debris in the oil to clog the drain and the led to the…NTSB ERA14FA283Accident · 2 fatalField investigationFinal reportCessna 172S · Daytona Beach, FLA partial loss of engine power during the initial climb after takeoff for reasons that could not be determined due to the postaccident condition of the wreckage. Contributing to the accident was the pilots' decision to turn back to the airport, which led to…NTSB ENG14WA030Incident · No injuriesForeign investigationBoeing 737 - 6H3 · Budapest, HungaryOn June 10, 2014, about 1830 local (1630 UTC), a TunisAir Boeing 737-6H3, TS-IOK, operating as flight TU-4671, experienced a malfunction of the No. 1 (left) engine during the takeoff roll at Budapest, Hungary. The pilots rejected the takeoff. A borescope…NTSB ERA14LA281Accident · Serious injuriesLimited investigationFinal reportBelew Marshall D II Steen Skybolt · Chapmansboro, TNThe pilot's failure to maintain airspeed while performing an emergency landing, which led to the airplane exceeding its critical angle-of-attack and experiencing a subsequent aerodynamic stall. Contributing to the accident was a partial loss of engine power…NTSB WPR14LA232Accident · Minor injuriesLimited investigationFinal reportCessna 150F · Ronan, MTA loss of engine power for reasons that could not be determined due to insufficient evidence.NTSB ANC14LA038Accident · No injuriesLimited investigationFinal reportAeronca 15AC · Talkeetna, AKMaintenance personnel’s failure to perform required fuel system tests to ensure that the airplane met its original type certification basis after modifying the fuel system and the Federal Aviation Administration’s improper approval of the fuel tank…NTSB WPR14FA226Accident · 2 fatalField investigationFinal reportNorth American AT 6C · Buckley, WAThe loss of engine power during takeoff initial climb for reasons that could not be determined during a postaccident examination of the airplane.NTSB CEN14LA276Accident · No injuriesLimited investigationFinal reportCessna 172N · Padre Island, TXThe loss of engine power for reasons that could not be determined based on the available evidence.NTSB CEN14LA277Accident · No injuriesLimited investigationFinal reportCirrus Design SR22 · Durango, COThe student pilot’s decision to fly solo into an unfamiliar, mountain airport during high-wind conditions. Contributing to the accident was a partial loss of engine power during the attempted go-around, which was caused by an over-rich mixture setting.NTSB CEN14IA270Incident · No injuriesIncident investigationFinal reportBell 407 · Eugene Island 182AThe improper repair of the outer combustion case, which led to its ultimate failure due to the continued progression of a fatigue crack and resulted in a partial loss of engine power during takeoff.NTSB CEN14LA263Accident · No injuriesLimited investigationFinal reportAero Commander 200D · La Grange, TXThe loss of engine power due to oil starvation for reasons that could not be determined based on the available evidence.NTSB ERA14LA261Accident · No injuriesLimited investigationFinal reportPiper PA-11 · Cooperstown, NYThe pilot’s delayed use of carburetor heat during the approach to landing, which resulted in the formation of carburetor ice, a partial loss of engine power, and the airplane’s subsequent inability to sustain flight.NTSB WPR14LA199Accident · No injuriesLimited investigationFinal reportBeech H35 · Parker, AZThe improperly attached fuel line and cracked fuel diaphragm due to unknown personnel’s inadequate maintenance, which resulted in the loss of engine power during cruise flight and the subsequent forced landing onto rough terrain.NTSB ERA14LA253Accident · Serious injuriesLimited investigationFinal reportPiper J3C - 65 · Hopkinsville, KYThe failure of the pilot to identify poor engine performance during the engine run-up before takeoff. Also causal to the accident was the mistimed right magneto and the poor condition of the spark plugs in the No. 4 cylinder.NTSB WPR14CA197Accident · Minor injuriesData collectionFinal reportCessna 140 · Vacaville, CAThe pilot's use of excessive brakes during landing, which resulted in a nose over. Contributing to the accident was a partial loss of engine power during takeoff initial climb, likely due to carburetor ice.NTSB CEN14LA244Accident · Minor injuriesLimited investigationFinal reportCrawford Preceptor Ultra PUP · Mabel, MNThe loss of engine power as a result of carburetor icing.NTSB WPR14CA190Accident · No injuriesData collectionFinal reportAviat A 1B · Hayden, IDA partial loss of engine power due to encounter with weather conditions conducive to carburetor icing. Contributing the accident was the pilot's inadequate weather planning.NTSB ANC14RA051Accident · Minor injuriesForeign investigationExtra 300 - L · Fukushima City, JapanOn May 12, 2014, at 0115 coordinated universal time, a Japanese registered Extra 300L airplane, JA111L, operated by a private individual, experienced a loss of engine power followed by a forced landing near Fukushima City, Japan. The pilot and one passenger…NTSB WPR14FA186Accident · 1 fatalField investigationFinal reportCessna T207A · Page, AZThe pilot’s inability to maintain aircraft control due to a partial loss of engine power and an encounter with downdrafts and gusting crosswinds while on final approach to the runway. The reason for the partial loss of engine power could not be determined…NTSB CEN14LA233Accident · No injuriesLimited investigationFinal reportPiper PA 32-300 · Lancaster, OHFuel starvation due to the deterioration of the fuel selector valve, which allowed fuel to be fed from only the right tip tank. Contributing to the accident was the inadequate annual inspection, which failed to detect the deteriorated valve.NTSB ENG14WA012Incident · No injuriesForeign investigationAirbus A330 - 223 · Melbourne, Australia, AustraliaOn May 6, 2014, at 10:52 am local time, an Airbus A330-223 performed a rejected takeoff at the Melbourne Aerodrome, Melbourne, Victoria Australia, due to the failure of the No. 2 engine (right), a Pratt & Whitney PW4168 turbofan. No injuries were reported.…NTSB CEN14LA229Accident · No injuriesLimited investigationFinal reportAir Tractor AT 301 · Hessmer, LAA partial loss of engine power for reasons that could not be determined because a full examination of the engine could not be performed.NTSB WPR14LA180Accident · Minor injuriesLimited investigationFinal reportBell 47G · El Monte, CAA partial loss of engine power during climbout due to a malfunctioning magneto and spark plugs.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 ANC14CA025Accident · No injuriesData collectionFinal reportCessna 182J · Cooper Landing, AKThe pilot's failure to correctly use carburetor heat, resulting in a loss of engine power and collision with terrain.NTSB ENG14RA014Incident · No injuriesForeign investigationBAE AVRO146RJ - 100 · Perth, Australia, AustraliaOn April 29, 2014, a British Aerospace BAE AVRO 146-RJ100, registration VH-NJI, experienced a No. 2 engine (left inboard) fire from the Honeywell LF507-1F turbofan engine during climb from Perth, Australia. The airplane was returned to Perth where an…NTSB CEN14LA199Accident · Serious injuriesLimited investigationFinal reportErcoupe 415 C · Cookson, OKThe pilot’s failure to properly secure the primer, which resulted in the loss of engine power during takeoff.NTSB WPR14FA165Accident · 1 fatalField investigationFinal reportWilliams Myron G Bowers FLY Baby 1A · Mariposa, CAThe partial loss of engine power due to an improperly maintained carburetor and the pilot's subsequent failure to maintain aircraft control.