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 CEN15LA383Accident · No injuriesLimited investigationFinal reportPiper PA 25-235 · Harvey, NDThe partial loss of engine power due to a failed magneto and two cylinders with low compression. Contributing to the accident was the pilot/owner’s decision to operate the airplane with an ongoing engine issue.NTSB ERA15LA318Accident · No injuriesLimited investigationFinal reportCessna 172K · Chiefland, FLThe partial loss of engine power during cruise flight for reasons that could not be determined because a postaccident airframe and engine examination and engine test run revealed no evidence of mechanical malfunctions or failures.NTSB ERA15LA311Accident · Serious injuriesLimited investigationFinal reportThomas A Siminski Zenith CH 750 · Allentown, PAA partial loss of engine power due to the No. 1 spark plug being liberated from the cylinder head due to the stripped threads in the cylinder head. Contributing to the accident was the pilot’s decision to attempt to return to the airport while at a low…NTSB ERA15FA308Accident · 2 fatalField investigationFinal reportBeech N35 · Weirsdale, FLA partial loss of engine power during takeoff. The reason for the partial loss of power could not be determined due to the extensive fire and impact damage to the engine.NTSB CEN15LA377Accident · No injuriesLimited investigationFinal reportGrumman G 164B · Sac City, IAThe loss of engine power for reasons that could not be determined based on the available information.NTSB ERA15LA306Accident · Serious injuriesLimited investigationFinal reportWright Daniel J Volksplane VP-1 · Brooksville, FLThe pilot's failure to abort the takeoff after determining that the engine was not producing adequate power. Contributing to the accident was the engine's inability to produce adequate power for reasons that could not be determined due to extensive postimpact…NTSB WPR15LA235Accident · Minor injuriesLimited investigationFinal reportCleveland Allan B Nieuport 11# · Bellingham, WAA partial loss of engine power for reasons that could not be determined because postaccident examination revealed no mechanical malfunctions or anomalies that would have precluded normal operation.NTSB WPR15LA230Accident · No injuriesLimited investigationFinal reportGrumman G164 - B · Princeton, CAThe loss of engine power during an agricultural application flight due to a cylinder failure.NTSB ERA15LA293Accident · Serious injuriesLimited investigationFinal reportBeech C90B · Georgetown, KYUndetermined based on the available evidence.NTSB ERA15LA291Accident · No injuriesLimited investigationFinal reportSontonastaso Mosquito · Winchendon, MAA partial loss of engine power due to a faulty electrical wiring crimp in the engine’s ignition system.NTSB CEN15LA326Accident · No injuriesLimited investigationFinal reportEagle Eagle DW 1 · Hector, MNThe intermittent partial loss of engine power, which resulted in a lower-than-expected approach glidepath and impact with terrain short of the runway. The reason for the intermittent partial loss of engine power could not be determined because postaccident…NTSB WPR15LA223Accident · No injuriesLimited investigationFinal reportStinson 108 - 3 · North Las Vegas, NVThe partial loss of engine power due to a degraded cylinder exhaust valve seal, which resulted in low cylinder compression.NTSB CEN15LA318Accident · 1 fatalLimited investigationFinal reportPiper PA38 - 112 · Millbury, OHA loss of engine power due to three of the engine valve adjustment mechanisms backing out, which resulted from improper maintenance.NTSB WPR15LA217Accident · Serious injuriesLimited investigationFinal reportPiper PA 28-181 · Las Vegas, NVThe engine's inability to produce full-rated power due to wear on internal engine components, which resulted in a loss of altitude and subsequent landing on uneven terrain. Contributing to the accident was the airplane owner's failure to maintain the engine…NTSB ERA15LA276Accident · No injuriesLimited investigationFinal reportGrumman American Avn. AA1B · Lititz, PAA partial loss of engine power for reasons that could not be determined because postaccident examination of the engine found no mechanical malfunctions or failures that would have precluded normal operation.NTSB GAA15CA143Accident · No injuriesData collectionFinal reportAventura II · Fenton, MIThe failure of the student pilot to ensure that the experimental seaplane was airworthy prior to take off.NTSB ANC15LA044Accident · No injuriesLimited investigationFinal reportPiper PA-18 · Wasilla, AKThe 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 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 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 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 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 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 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 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 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.