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 CEN15LA286Accident · No injuriesLimited investigationFinal reportDon W Guice Zodiac 601XL · Seagoville, TXThe engine overheating, which resulted in a partial loss of engine power, due to the pilot's operation of the engine with a higher-than-specified oil quantity level.NTSB CEN15LA284Accident · Serious injuriesLimited investigationFinal reportCessna TR182 · Casper, WYThe improper repair of the carburetor heat cable sheath to clamp joint, which prevented the proper operation of the carburetor heat and resulted in the loss of engine power.NTSB CEN15LA285Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Danville, ARThe loss of engine power for reasons that could not be determined based on the available information.NTSB ERA15LA248Accident · No injuriesLimited investigationFinal reportCessna 152 · St. Augustine, FLA partial loss of engine power for reasons that could not be determined based on the available information.NTSB WPR15FA181Accident · 1 fatalField investigationFinal reportBeech F35 · Everett, WAThe partial loss of engine power during takeoff due to debris within the fuel servo, which restricted fuel flow throughout the engine fuel system and resulted in a partial loss of engine power.NTSB CEN15LA258Accident · Minor injuriesLimited investigationFinal reportFlight Design Ctsw · Haskell, OKThe loss of engine power for reasons that could not be determined because a postaccident engine examination and test run did not reveal any evidence of preimpact malfunctions or failures that would have precluded normal operation.NTSB CEN15CA261Accident · Minor injuriesData collectionFinal reportBrewer Sportcopter Votex M · Sikeston, MOThe pilot inadvertently reducing engine power to the idle position while maneuvering at a low altitude.NTSB CEN15FA249Accident · 2 fatalField investigationFinal reportMonnett John T JR Sonex SA · Oshkosh, WIThe pilot's failure to maintain sufficient airspeed following a loss of engine power during initial takeoff climb, which resulted in the airplane's wing exceeding its critical angle-of-attack and a subsequent aerodynamic stall. The reason for the loss of…NTSB CEN15LA247Accident · Serious injuriesClass 3 · LimitedFinal reportRaytheon G36 · Horseshoe Bay, TXThe pilot’s failure to abort the takeoff after the partial loss of engine power before liftoff, and the partial loss of engine power for undetermined reasons.NTSB CEN15LA243Accident · No injuriesLimited investigationFinal reportCessna TR182 · Tulia, TXThe partial loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no mechanical anomalies that would have precluded normal operation.NTSB CEN15LA237Accident · No injuriesLimited investigationFinal reportPiper PA-22 · St. Charles, MOA 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 WPR15FA163Accident · 3 fatalField investigationFinal reportRockwell Commander 114 · Laughlin, NVA partial loss of engine power due to the turbocharger's seizure as a result of a severely worn turbowheel. Contributing to the accident was the failure of the pilot/owner to have the turbo normalization system inspected every 100 hours as required, which…NTSB WPR15LA162Accident · No injuriesLimited investigationFinal reportEarl Allen Miglet · Corning, CAThe partial loss of engine power during initial climb due to a loose set screw, which allowed the throttle cable rig within the connector to slip.NTSB CEN15LA233Accident · Minor injuriesLimited investigationFinal reportCessna T206H · Piggott, ARThe loss of engine power due to a malfunctioning magneto. Contributing to the accident was maintenance personnel's improper use of a drill bit instead of a timing pin during magneto installation, which resulted in a section of the drill bit breaking off and…NTSB CEN15LA238Accident · No injuriesLimited investigationFinal reportPiper PA-25-235 · Omega, OKImproper base metal preparation or contamination of the No. 5 cylinder wall before it was coated, which resulted in the coating peeling off of the cylinder wall and contaminating the engine oil and the subsequent partial loss of engine power.NTSB CEN15LA226Accident · No injuriesLimited investigationFinal reportAir Tractor AT 502B · Dighton, KSThe pilot's failure to follow the Preflight checklist and his inadequate preflight inspection, during which he failed to detect the water contamination of the fuel, which resulted in a partial loss of engine power during initial climb.NTSB WPR15LA157Accident · No injuriesLimited investigationFinal reportPiper PA 32-300 · Redlands, CAThe partial loss of engine power during takeoff due to oil starvation.NTSB ERA15LA205Accident · Minor injuriesLimited investigationFinal reportJerome D Fischer RV-7 · Bartow, GAThe pilot's use of the improper fuel grade for the engine, which resulted in detonation, engine damage, and loss of engine power.NTSB WPR15LA156Accident · Minor injuriesLimited investigationFinal reportBuhl LA 1 · Cottage Grove, ORA loss of engine power on downwind for landing due to carburetor icing, which resulted in a forced landing.NTSB ENG15WA040Incident · No injuriesForeign investigationBell 407 · Morobe Province, Papua New GuineaOn May 2, 2015, a Bell Helicopters 407 powered by a Roll-Royce M250-C47B turboshaft experienced an unexpected uncommanded high rate of descent while on approach to the helipad with an external load of two diesel fuel drums. The pilot jettisoned his load and…NTSB CEN15LA217Accident · Minor injuriesLimited investigationFinal reportCessna 150F · Neillsville, WIA partial loss of engine power for reasons that could not be determined because a postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.NTSB CEN15IA230Incident · No injuriesIncident investigationFinal reportCessna 152 · Pilot Point, TXThe loss of engine power due to the separation of the distributor gear arm on the left magneto.NTSB CEN15FA211Accident · 1 fatalField investigationFinal reportHoffman Zenith 701 · Trinidad, COThe noncertificated pilot's failure to maintain airspeed following a loss of engine power while maneuvering at a low altitude, which resulted in the airplane's wing exceeding its critical angle-of-attack and a subsequent aerodynamic stall. The reason for the…NTSB ERA15LA200Accident · No injuriesLimited investigationFinal reportDiamond Aircraft Ind DA 20 C1 · Sylacauga, ALA partial loss of engine power due to the failure of the throttle body/fuel metering unit to provide the engine with adequate fuel pressure for full power operation.NTSB ERA15LA197Accident · Serious injuriesLimited investigationFinal reportJames Kilroy Pitts Model 12 · LaGrange, GAA partial loss of engine power after takeoff 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 ENG15RA023Incident · No injuriesForeign investigationBoeing 400 · Islamabad, Pakistan, PakistanOn April 21, 2015, a Shaheen Air International (SAI) Boeing 737-400, powered by CFMI CFM56-3C1 turbofan engines, experienced a No. 1 (left engine) failure while climbing through 3,200 feet. The flight crew heard a loud band and high exhaust gas temperature…NTSB CEN15LA205Accident · Minor injuriesLimited investigationFinal reportPitts Model 12 · Burneyville, OKThe partial loss of engine power due to contamination of the fuel system.NTSB ERA15LA201Accident · No injuriesLimited investigationFinal reportUniversal Stinson 108-1 · Macon, MSA partial loss of engine power for reasons that could not be determined based on the available information.NTSB WPR15LA139Accident · No injuriesLimited investigationFinal reportBeech H35 · Tucson, AZA partial loss of engine power during initial takeoff climb for reasons that could not be determined because postaccident examination revealed no evidence of a mechanical anomaly that would have precluded normal operation.NTSB ERA15FA171Accident · 2 fatalField investigationFinal reportPiper PA28 · West Chester, PAThe failure of the flight instructor and the pilot to abort the takeoff after the airplane experienced a partial loss of engine power with adequate runway remaining, and their subsequent failure to maintain adequate airspeed, which led to the airplane…NTSB CEN15LA206Accident · Serious injuriesLimited investigationFinal reportPiper PA 32R-301T · Stephenville, TXThe partial loss of engine power after takeoff for undetermined reasons, which necessitated a forced landing, during which the airplane impacted trees and a power line.NTSB ERA15LA179Accident · No injuriesLimited investigationFinal reportBell 206B · Taylors Island, MDA partial loss of engine power during cruise flight 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 CEN15LA180Accident · Minor injuriesLimited investigationFinal reportCessna 208B · Verdigris, OKThe fuel pump gear manufacturer’s allowance of set-up gears made from a nonconforming material to be put in the production inventory system, the installation of a nonconforming gear in the accident airplane’s production fuel pump, and the gear’s failure,…NTSB ERA15LA166Accident · Minor injuriesClass 3 · LimitedFinal reportHawker Beechcraft G36 · Inverness, FLThe pilot's inadequate fuel planning, which resulted in fuel exhaustion and a total loss of engine power.NTSB WPR15LA131Accident · Serious injuriesLimited investigationFinal reportMccurry Charles P F 1 Rocket · Sedona, AZThe partial loss of engine power during final approach for reasons that could not be determined during postaccident examination of the engine.NTSB CEN15LA175Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164A · New Roads, LAThe loss of engine power due to three stuck exhaust valves.NTSB CEN15LA170Accident · No injuriesLimited investigationFinal reportMaule M 7-260C · Oregon, MOEngine vibration for reasons that could not be determined based on the available evidence.NTSB CEN15LA169Accident · Serious injuriesLimited investigationFinal reportHoke Bobby F Rans S 12 · Rusk, TXA partial loss of engine power for reasons that could not be determined based on the available information. Contributing to the accident was the pilot's failure to maintain control while maneuvering for a forced landing, which resulted in the airplane…NTSB ERA15FA139Accident · 1 fatalField investigationFinal reportAdams Donald L DA1 · Sebring, FLA partial loss of engine power for reasons that could not be determined based on the available evidence.NTSB CEN15WA161Accident · No injuriesForeign investigationCirrus SR22 · Ljubljana, Moste, Slovenia, SloveniaThe accident investigation is under the jurisdiction and control of the Slovenian government. This report is for information purposes only and contains only information released by or obtained from the Slovenian government. Further information pertaining to…NTSB ERA15LA134Accident · No injuriesLimited investigationFinal reportCirrus Design SR22 · Lexington, KYMaintenance personnel's failure to properly inspect and clean the engine ignition harness spark plug terminals, which resulted in a partial loss of engine power during an attempted takeoff.NTSB ERA15LA133Accident · 1 fatalLimited investigationFinal reportJohnson Joel H Rans S-6ES Coyote II · Rincon, PRThe inadequate maintenance and inspection of the fuel system, which resulted in partial blockage of a fuel filter, a partial loss of engine power, and subsequent ditching.NTSB ENG15RA015Incident · No injuriesForeign investigationBoeing 767 - 204ER · Islamabad, Pakistan, PakistanOn February 15, 2015, a Jordan Air Boeing 767-204ER, leased by Shaheen Air International (SAI), experienced a failure of the No. 1 engine, a General Electric CF6-80A2 turbofan engine, during the takeoff roll from the Islamabad International Airport (ISB),…NTSB ANC15LA011Accident · No injuriesLimited investigationFinal reportCessna 180 · Glennallen, AKAn in-flight fire and a partial loss of engine power for reasons that could not be determined based on the available information.NTSB ERA15LA123Accident · Serious injuriesLimited investigationFinal reportAmerican AA-1 · Fort Meade, MDThe mechanic’s failure to detect the incorrect dry valve tappet clearances while troubleshooting ongoing engine issues, which resulted in partial loss of engine power during takeoff. Contributing to the partial loss of engine power was the mechanic's failure…NTSB DCA15RA059Accident · 43 fatalForeign investigationATR 72 · Taipei, TaiwanimportNTSB WPR15LA096Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Calexico, CAA 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 WPR15CA091Accident · Minor injuriesData collectionFinal reportCessna 172N · Makaha, HIA partial loss of engine power for reasons that could not be determined because the airplane was ditched and not recovered.NTSB WPR15LA086Accident · Serious injuriesLimited investigationFinal reportCessna 172N · Ualapue, HIA partial loss of engine power during cruise flight for reasons that could not be determined because the airplane was not recovered.NTSB ERA15LA094Accident · No injuriesLimited investigationFinal reportCessna 172 · Norfolk, VAThe engine’s failure to regain full power after a simulated engine failure for reasons that could not be determined during postaccident examinations and testing.