NTSB investigations
1,419 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 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 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 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 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 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 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 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 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 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 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.NTSB CEN14LA161Accident · Serious injuriesLimited investigationFinal reportCessna 150M · Greenwood, INThe flight instructor's failure to ensure that carburetor heat was used while performing maneuvers at reduced power settings in conditions conducive to the formation of carburetor ice, which resulted in a partial loss of engine power due to carburetor ice.…NTSB WPR14LA153Accident · No injuriesLimited investigationFinal reportZenair CH2T · Woodland, CAA total loss of engine power during approach due to carburetor icing, which resulted in an off-airport landing into trees.NTSB ERA14LA141Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-161 · Atlantic City, NJA partial loss of engine power at takeoff for reasons that could not be determined during a postaccident examination or engine test run.NTSB CEN14LA136Accident · Serious injuriesLimited investigationFinal reportMahon Paul D Capella XS · Houston, TXThe loss of engine power due to carburetor icing.NTSB ERA14WA116Accident · Serious injuriesForeign investigationHelio HT-295 · Macas, EcuadorOn January 15, 2014, about 2030 coordinated universal time (1530 local time), a Helio Courier HT-295, Ecuadorian registration HC-BTC, was substantially damaged during a forced landing after takeoff from Edmundo Carvajal Airport (SEMC), Macas, Ecuador. The…NTSB WPR14FA091Accident · Minor injuriesField investigationFinal reportCirrus Design SR22 · Pocatello, IDThe distributor gear teeth failure of the right magneto that resulted in severe engine vibration and partial loss of engine power, which progressively led to the failure of the left magneto distributor drive gear teeth. Contributing to the airplane’s…NTSB CEN14CA106Accident · Minor injuriesData collectionFinal reportCessna P210N · Pagosa Springs, COThe pilot's inadequate preflight inspection which led to a loss of oil pressure and partial loss of engine power on takeoff. Contributing to the accident was the pilot's failure to check the security of the oil filler cap prior to the flight.NTSB CEN14FA057Accident · 2 fatalField investigationFinal reportCessna 152 · Spring, TXThe flight instructor's failure to maintain airspeed following a partial loss of engine power for reasons that could not be determined during postaccident examination, which resulted in an aerodynamic stall and subsequent loss of airplane control.NTSB CEN14LA058Accident · Serious injuriesLimited investigationFinal reportPiper PA 28-140 · San Antonio, TXA partial loss of engine power after departure due to the collapse of the carburetor air inlet duct, which restricted the airflow to the engine. Contributing to the accident was the overdue annual inspection and the installation of the improper air inlet duct.NTSB ERA14LA043Accident · Serious injuriesLimited investigationFinal reportMaule M-5-180C · Marshfield, MAA partial loss of engine power for reasons that could not be determined in postaccident examinations because fire damage precluded testing of the fuel and several engine accessories.NTSB WPR14LA046Accident · No injuriesLimited investigationFinal reportRovey Jason H RV-8 · Wickenburg, AZThe fatigue failure of a propeller pitch change pin due to excessive shot peening of the pin’s surface during the manufacturing process.