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 CEN18LA008Accident · No injuriesLimited investigationFinal reportPiper PA 34-220T · Sugar Grove, ILA partial loss of engine power for reasons that could not be determined based on the available information.NTSB WPR18LA007Accident · No injuriesClass 3 · LimitedFinal reportThomas Stephen Glasair Super II RG · Santa Ynez, CAA partial loss of engine power for reasons that were not determined.NTSB ERA18LA003Accident · Minor injuriesClass 3 · LimitedFinal reportFreeman Heritage Collection SE5A · Virginia Beach, VAA partial loss of engine power due to an interruption of the normal fuel/air mixture to the engine.NTSB WPR18LA002Accident · No injuriesLimited investigationFinal reportCessna 172S · Tonopah, NVThe pilot's failure to enrich the mixture during the descent, as required by the Pilot's Operating Handbook (POH), and his subsequent failure to follow the POH emergency procedures, which resulted in an excessively lean fuel/air mixture and subsequent loss of…NTSB CEN17LA366Accident · No injuriesLimited investigationFinal reportEmerson Kitfox · Waller, TXA partial loss of engine power for reasons that could not be determined based on the available information.NTSB WPR17LA208Accident · Minor injuriesLimited investigationFinal reportPiper PA 28-161 · El Cajon, CAA partial loss of engine power due to the formation of carburetor ice during descent for landing. Contributing to the accident was the pilot’s failure to apply carburetor heat.NTSB CEN17WA343Accident · 2 fatalForeign investigationPiper Piper PA-28RT-201 · Wolferton, United KingdomOn September 11, 2017, at 0956 universal coordinated time (UTC), a Piper PA-28RT-201 single-engine airplane, United Kingdom registration G-BHAY, serial number 28R-7918213, was substantially damaged during a forced landing following a loss of engine power and…NTSB ERA17MA316Accident · 4 fatalClass 2 · MajorFinal reportEurocopter Deutschland MBB BK 117 · Hertford, NCA failure of the rear bearing in the No. 2 engine, which (1) created multiple and likely unexpected and confusing cockpit indications, resulting in the pilot's improper diagnosis and subsequent erroneous shutdown of the No. 1 engine, and (2) the resulting…NTSB WPR17LA197Accident · Serious injuriesLimited investigationFinal reportBoeing A75N1(PT17) · Santa Paula, CAA partial loss of engine power during initial climb for reasons that could not be determined based on the available information.NTSB WPR17LA188Accident · Minor injuriesLimited investigationFinal reportRobinson Helicopter R44 II · El Dorado Hills, CAMaintenance personnel's inadequate routine maintenance on the helicopter engine, which led to low cylinder compression, improper magneto timing, and camshaft lobe wear, which subsequently resulted in degraded engine performance.NTSB WPR17LA187Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 310I · Salt Lake City, UTA loss of engine power for reasons that could not be determined based on the available information.NTSB CEN17LA330Accident · No injuriesLimited investigationFinal reportAir Tractor AT 401 · Pearsall, TXThe fatigue crack of an engine cylinder, which resulted in a partial loss of engine power.NTSB CEN17LA327Accident · Minor injuriesLimited investigationFinal reportGreene R/Greene S Rans S 17 · Erie, COThe pilot's failure to maintain control following a rejected takeoff for a perceived loss of engine power. Contributing to the accident was the pilot's lack of training and experience in the airplane.NTSB ERA17LA284Accident · No injuriesLimited investigationFinal reportMooney M20C · Palm Coast, FLA crack in the No. 4 cylinder head, which resulted in engine roughness, a fuel leak, a loss of engine power, and the subsequent in-flight fire.NTSB CEN17LA328Accident · No injuriesLimited investigationFinal reportBeech A36 · Gonzales, LAA partial loss of engine power due to inadequate maintenance, including worn spark plugs and a leaking fuel hose fitting.NTSB CEN17LA318Accident · Minor injuriesLimited investigationFinal reportKnapp Easy Raider · Rochester, 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.NTSB CEN17LA317Accident · Minor injuriesLimited investigationFinal reportPiper PA22 · Beckville, TXA stuck exhaust valve, which resulted in the failure of the valve and a loss of engine power. Contributing to the valve failure and loss of engine power was the extended time since the last overhaul.NTSB CEN17LA316Accident · Serious injuriesLimited investigationFinal reportNavion Navion G · Adrian, MIA leak in the gascolator, which allowed air to enter the fuel system and resulted in a partial loss of engine power.NTSB WPR17LA175Accident · Serious injuriesLimited investigationFinal reportGrumman AA1 · Phoenix, AZThe partial loss of engine power during initial climb due to the No. 3 cylinder exhaust valve becoming stuck open due to deposit buildup in the exhaust valve stem and guide and the pilot’s exceedance of the airplane’s critical angle of attack while attempting…NTSB WPR17LA174Accident · No injuriesLimited investigationFinal reportRockwell International S 2R · Brawley, CAThe partial loss of engine power due to the overstress separation of three supercharger drive gear teeth.NTSB CEN17LA295Accident · Minor injuriesLimited investigationFinal reportSteele Acro Sport II · Loudonville, OHA partial loss of engine power due to carburetor icing.NTSB ERA17LA257Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 · Myrtle Beach, SCA loss of available power to the main rotor due to a fractured exhaust pushrod and housing, which allowed engine oil to coat the V-belts. Contributing to the accident was the pilot's decision to continue the tour and his failure to maintain adequate rotor rpm…NTSB ERA17FA248Accident · 1 fatalField investigationFinal reportAircraft Mfg & Dvlpmt CH601XLi Slsa · Towanda, PAA partial loss of engine power for reasons that could not be determined based on the available information, and the pilot's exceedance of the airplane's critical angle of attack during an attempted return to the airport, which resulted in an aerodynamic stall…NTSB ERA17CA251Accident · No injuriesData collectionFinal reportWeatherly 620 · Pemberton Twp, NJAn in-flight collision with a bird during takeoff, which resulted in a partial loss of engine power and subsequent collision with trees and terrain.NTSB ERA17LA246Accident · No injuriesClass 3 · LimitedFinal reportCostruzioni Aeronautiche Tecna P92 Eaglet · Stevensville, MDThe fatigue failure of an exhaust valve spring retainer due to air trapped in the lubrication system, which resulted in a total loss of engine power.NTSB CEN17FA266Accident · 2 fatalField investigationFinal reportPiper PA31T · Tyler, TXThe loss of engine power and the subsequent pilot's loss of control for reasons that could not be determined because post-accident engine examination revealed no anomalies.NTSB WPR17LA148Accident · No injuriesLimited investigationFinal reportCharles J Norris Arion Lightning · New River, AZA partial loss of engine power for reasons that could not be determined due to a lack of available evidence.NTSB WPR17FA146Accident · 1 fatalField investigationFinal reportChicco Miguel E Quicksilver Sport II · Point Mugu, CAA partial loss of engine power for reasons that could not be determined during postaccident examination in combination with the low cruise altitude selected by the pilots, which resulted in an ocean ditching. The lack of personal flotation devices likely…NTSB ERA17LA278Accident · No injuriesLimited investigationFinal reportPiper PA28 · Gainsville, GAThe separation of the mixture control cable from the mixture control lever at the carburetor, which resulted in the partial loss of engine power.NTSB CEN17LA271Accident · No injuriesLimited investigationFinal reportPiper PA 32-300 · Rushville, INThe pilot’s inability to properly control engine power because of an improperly installed throttle control arm, which resulted in a partial loss of engine power and led to a forced landing.NTSB ERA17LA227Accident · No injuriesLimited investigationFinal reportPiper PA28 · San Juan, PRA partial loss of engine power during initial climb for reasons that could not be determined and the pilot's subsequent exceedance of the airplane's critical angle of attack, which resulted in an aerodynamic stall.NTSB CEN17LA255Accident · No injuriesLimited investigationFinal reportBeech A36 · El Paso, TXA partial loss of engine power for reasons that could not be determined because a postaccident examination did not reveal any anomalies that would have precluded normal engine operation.NTSB WPR17LA140Accident · Serious injuriesLimited investigationFinal reportRobinson R44 · Bella Vista, CAA partial loss of engine power during low-altitude maneuvering for reasons that could not be determined because postaccident examinations of the engine and airframe revealed no evidence of any preaccident mechanical malfunctions or failures that would have…NTSB CEN17LA251Accident · No injuriesLimited investigationFinal reportCody Hawkins JA30 Superstol · Ponca City, OKContamination of the fuel system, resulting in a partial loss of engine power and subsequent off-airport landing.NTSB WPR17LA136Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 310R · Santa Ana, CAThe pilot’s inability to maintain adequate airspeed after a loss of power to the right engine while maneuvering in the pattern to return to the airport. Contributing to the accident were the loss of power to the right engine for reasons that could not be…NTSB ERA17LA220Accident · Serious injuriesLimited investigationFinal reportNunley KR2 · Baker, FLA partial loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no evidence of any preaccident mechanical malfunctions or failures that would have precluded normal operation.NTSB ERA17LA215Accident · Serious injuriesLimited investigationFinal reportBeech B23 · Ocean Isle Beach, NCThe pilot's improper positioning of the fuel selector between the left and right fuel tank positions, which resulted in a partial loss of engine power due to fuel starvation and a subsequent forced landing into trees.NTSB CEN17LA242Accident · No injuriesLimited investigationFinal reportBellanca 17 30 · Grove, OKAn unporting of fuel in the right wing while maneuvering in the airport traffic pattern, which resulted in a partial loss of engine power due to fuel starvation.NTSB GAA17CA361Accident · No injuriesData collectionFinal reportCessna 182 · Doniphan, MOThe pilot’s improper decision to take off with a known fuel leak, which resulted in a loss of engine power due to fuel exhaustion.NTSB CEN17LA238Accident · Serious injuriesLimited investigationFinal reportAeronca 7BCM · Mahnomen, MNThe pilot’s failure to abort the takeoff after recognizing a partial loss of engine power during the takeoff roll and his subsequent inability to maintain adequate airspeed during a turn to avoid power lines, which resulted in an aerodynamic stall. The…NTSB CEN17LA230Accident · Minor injuriesLimited investigationFinal reportGrumman G164 · Delaplaine, ARThe loss of engine power due to fuel exhaustion, which resulted in a forced landing on unsuitable terrain.NTSB CEN17LA226Accident · Minor injuriesLimited investigationFinal reportPiper PA 32R-301T · Dalhart, TXThe failure of the engine's front bearing seal due to maintenance personnel’s installation of an improperly sized crankshaft seal, which resulted in oil starvation and a forced landing.NTSB WPR17LA122Accident · Minor injuriesClass 3 · LimitedFinal reportLuscombe 8A · Rexberg, IDA loss of engine power for reasons that could not be determined based on the available information which resulted in a landing short of the runway.NTSB CEN17LA206Accident · No injuriesLimited investigationFinal reportKenneth B Hines Nieuport 28 · Boonville, MOA partial loss of engine power due to a compromised induction system.NTSB CEN17LA205Accident · No injuriesLimited investigationFinal reportAmstutz Curtis J BD-5B · Portland, INA failure of the wiring between the engine control unit and the fuel injector, which resulted in a total loss of engine power.NTSB CEN17FA197Accident · 2 fatalField investigationFinal reportAerotek Pitts S 2A · Sheboygan Falls, WIThe pilot's failure to maintain airplane control following a partial loss of engine power during a low-level aerobatic maneuver; the reason for the loss of engine power could not be determined during postaccident examination of the engine. Contributing to the…NTSB GAA17CA306Accident · Minor injuriesData collectionFinal reportCessna 150 · Zepp, VAA partial loss of engine power due to the formation of carburetor icing, which resulted from the student pilot’s failure to apply carburetor heat and the flight instructor’s delayed response in applying carburetor heat while operating in conditions conducive…NTSB ERA17LA185Accident · No injuriesLimited investigationFinal reportCessna 182 · West Chester, PAAn engine crankcase overpressurization and the subsequent loss of engine oil for reasons that could not be determined, which resulted in the failure of the No. 6 cylinder connecting rod due to a lack of lubrication.NTSB CEN17WA221Accident · Serious injuriesForeign investigationSilence Twister · Abingdon, United KingdomOn May 14, 2017, at 1330 universal coordinated time (UTC), a Silence model Twister single-engine airplane, United Kingdom registration G-JINX, serial number LAA 329-15102, was substantially damaged during a forced landing following a loss of engine power…NTSB CEN17WA256Accident · No injuriesForeign investigationLancair IV · Grenaa, DenmarkOn May 12, 2017, about 0635 coordinated universal time, a Lancair IV P airplane, Swiss registration SE-XRU, was substantially damaged when it impacted terrain near Grenaa, Denmark. The airplane was registered to and operated by a private individual as a…