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 ERA12LA267Accident · No injuriesLimited investigationFinal reportPiper PA-28R-200 · Eastover, SCInadequate or loss of through bolt preload tension, which resulted in fretting between the engine halves, the subsequent failure of one cylinder through bolt, the loosening of additional cylinder retaining studs, and the fracture of the crankcase.…NTSB WPR12LA141Accident · No injuriesLimited investigationFinal reportGrimm RV-9A · Santa Maria, CAA partial loss of engine power during cruise flight for reasons that could not be determined because postaccident examination and testing did not reveal any anomalies that would have precluded normal operation.NTSB ERA12LA241Accident · No injuriesLimited investigationFinal reportCessna 172K · Belfast, METhe flight instructor’s failure to ensure the radio was set correctly to activate the pilot-controlled lighting, which resulted in poor positioning for a proper landing and a subsequent off-runway forced landing during an attempted go-around. Contributing to…NTSB ERA12LA233Accident · Serious injuriesLimited investigationFinal reportBoehlke Kevin P 2/3 Scale Jenny · Hannacroix, NYThe non-certificated pilot's improper high-speed taxi test, which resulted in a loss of control and the pilot's subsequent decision to take off to avoid trees. Also causal, was an in-flight magneto failure, which resulted in a partial loss of engine power.…NTSB DCA12FA051Accident · 2 fatalClass 1 · FieldFinal reportConvair 440 - NO Series · San Juan, PRthe flight crew's failure to maintain adequate airspeed after shutting down the right engine due to an in-flight fire in one of the right augmentors. The failure to maintain airspeed resulted in either an aerodynamic stall or a loss of directional control.NTSB ERA12LA226Accident · Serious injuriesLimited investigationFinal reportMichael S/Michael K Safari · Middle Valley, TNA partial loss of engine power for reasons that could not be determined due to the postaccident condition of the airframe and engine.NTSB WPR12LA125Accident · No injuriesLimited investigationFinal reportAerospatiale AS 355F1 · Makakilo City, HIA partial loss of engine power while maneuvering over rough/uneven terrain that was precipitated by the failure of a 3rd stage turbine blade as a result of high-cycle fatigue.NTSB CEN12FA170Accident · 2 fatalField investigationFinal reportMooney M20E · San Antonio, TXThe pilot's inadvertent overboost of the turbocharged engine during initial climb, which resulted in detonation and a partial loss of engine power followed by the pilot's failure to maintain airspeed and the instructor's delayed remedial action, which…NTSB CEN12LA175Accident · No injuriesLimited investigationFinal reportPiper PA-28-161 · Rapid City, SDThe loss of engine power during climb due to carburetor icing. Contributing to the accident was the limited travel of the carburetor heat valve which prevented application of maximum carburetor heat.NTSB ERA12LA191Accident · No injuriesLimited investigationFinal reportCessna 172N · Flat Rock, VAThe partial loss of engine power due to the failure of the exhaust valve spring seat for reasons that could not be determined.NTSB WPR12LA099Accident · No injuriesLimited investigationFinal reportCessna 172M · Cusick, WAA total loss of engine power during cruise flight for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB DCA12WA063Incident · No injuriesForeign investigationMcdonnell Douglas MD80 - 80 · Copenhagen, DenmarkThe Danish Accident Investigation Board (AIB) has notified the NTSB of an incident involving a McDonnell Douglas MD-82 that occurred on February 5, 2012. The NTSB has appointed a U.S. Accredited Representative to assist the AIB investigation under the…NTSB WPR12LA092Accident · Minor injuriesLimited investigationFinal reportPiper PA-28R-201T · Kalispell, MTThe partial loss of engine power due to magneto malfunction. Contributing to the accident was the lack of adherence to the manufacturer’s recommended magneto overhaul schedule.NTSB CEN12LA192Accident · Minor injuriesLimited investigationFinal reportAero Commander 100 · Seguin, TXA loss of engine power for undetermined reasons.NTSB WPR12LA081Accident · Minor injuriesLimited investigationFinal reportMas Events Nemesis · Camarillo, CAA partial loss of engine power during cruise flight due to incorrectly installed airframe components, which came into contact with a high pressure fuel line and resulted in its failure. Contributing to the accident was an undetermined failure of the primary…NTSB CEN13WA102Incident · No injuriesForeign investigationRobinson Helicopter R44 · Oosterschelde, NetherlandsOn January 21, 2012, at 1430 universal coordinated time, a Robinson Helicopter Company model R44, Dutch registration PH-WMW, made an uneventful forced landing after experiencing a partial loss of engine power near Oosterschelde, The Netherlands. The pilot and…NTSB ERA12FA146Accident · 1 fatalField investigationFinal reportAerostar PA-60-601P · Philadelphia, MSThe pilot’s failure to maintain directional control during takeoff following loss of power to the left engine due to fuel starvation. Contributing to the loss of control was the pilot’s failure to feather the left propeller following the loss of left engine…NTSB CEN12LA135Accident · No injuriesLimited investigationFinal reportCessna 150M · El Dorado, KSThe 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 ERA12FA143Accident · Serious injuriesField investigationFinal reportCessna 150G · Fitchburg, MAA partial loss of engine power due to the formation of carburetor ice and the flight instructor's improper application of carburetor heat.NTSB ERA12LA131Accident · No injuriesLimited investigationFinal reportHaney John F B Seastar XP · Willimantic, CTA partial loss of engine power due to carburetor icing. Contributing to the accident was the lack of an installed manufacturer-recommended carburetor heat system.NTSB CEN12LA118Accident · Minor injuriesLimited investigationFinal reportPiper PA-32-260 · Elk Rapids, MIThe loss of engine power due to the failure of the exhaust valve.NTSB ERA12LA126Accident · No injuriesLimited investigationFinal reportClassic Waco YMF5 · Marathon, FLThe pilot did not ensure that there was sufficient fuel aboard the airplane before initiating the flight, which resulted in temporary fuel starvation and an interruption in engine power during maneuvering. Contributing to the accident was the pilot’s decision…NTSB ERA12FA123Accident · 1 fatalField investigationFinal reportAero Commander 560-F · Venice, FLThe pilot’s failure to maintain adequate airspeed during a single-engine approach, which resulted in an aerodynamic stall. Contributing to the accident was the total loss of power in the left engine due to a failed No. 2 connecting rod bearing.NTSB ERA12CA118Accident · No injuriesData collectionFinal reportCessna 120 · Montague, MAThe pilot's delay in performing a rejected takeoff after experiencing an intermittent loss of engine power, which resulted in a runway excursion.NTSB ERA12LA106Accident · No injuriesLimited investigationFinal reportCessna 152 · Venice, FLA loss of engine power during takeoff for reasons that could not be determined because postaccident examination and testing did not reveal any anomalies that would have precluded normal operation.NTSB CEN12LA103Accident · No injuriesLimited investigationFinal reportBeech C23 · Watertown, SDA total loss of engine power during initial climb for undetermined reasons.NTSB ERA12FA093Accident · 1 fatalField investigationFinal reportWing John R Wittman Tailwind · Fulton, NYThe pilot's failure to maintain adequate airspeed, which resulted in an aerodynamic stall. Contributing to the accident was a partial loss of engine power due to the formation of carburetor ice.NTSB CEN12LA077Accident · No injuriesLimited investigationFinal reportCessna 152 · Princeton, MNThe inadequate installation of the threaded insert in the No. 2 cylinder spark plug hole by maintenance personnel, which resulted in a loss of engine power during initial climb.NTSB CEN12LA066Accident · Minor injuriesLimited investigationFinal reportPiaggio Aero Industries P180 · Flint, MIThe captain's failure to maintain directional control during landing with one engine inoperative. Contributing to the accident was an improperly installed clevis pin in the left engine power lever, the crew’s delay in accurately identifying their heading, and…NTSB ERA12WA092Accident · No injuriesForeign investigationPiper PA-25 · Meteropolitana, ChileOn November 11, 2011, at 1345 UTC, a Piper PA-25-260, Chilean registration CC-ABM, registered to and operated by Sociedad De Ttrabajos Aeros Aeropacifico LTDA as a personal flight experienced a partial loss of engine power on initial takeoff climb, in the…NTSB CEN12FA058Accident · 1 fatalField investigationFinal reportCessna 337G · Alamosa, COThe loss of power to the rear engine due to fuel starvation during takeoff, which resulted from the fuel selector valve being inadvertently moved to the “off” position, and resulted in the airplane’s inability to climb.NTSB ERA12LA071Accident · No injuriesLimited investigationFinal reportSiai-Marchetti S205-22R · Okeechobee, FLA partial loss of engine power due to a failure of the drive bearings in the alternator drive system. Contributing to the accident was the inadequate maintenance.NTSB ERA12LA058Accident · Minor injuriesLimited investigationFinal reportCessna 172N · Pompano Beach, FLThe separation of the throttle cable from its fitting, which resulted in an inability to control engine power. Contributing to the accident was the inadequate maintenance by the owner.NTSB CEN12LA049Accident · Serious injuriesLimited investigationFinal reportBrochetti Louis Pietenpol Aircamper · Vienna, OHThe loss of engine power during climb after takeoff due to carburetor icing.NTSB ERA12LA048Accident · No injuriesLimited investigationFinal reportBeech C23 · Columbia, MSThe partial loss of engine power for undetermined reasons during takeoff.NTSB WPR12LA015Accident · Minor injuriesLimited investigationFinal reportPiper PA46R · Paso Robles, CAA loss of engine power while maneuvering for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB ERA12LA045Accident · No injuriesLimited investigationFinal reportGraff Wilbur C Bearhawk · Woodrow, WVThe pilot’s delayed use of carburetor heat while operating in conditions conducive to carburetor icing.NTSB ENG12IA001Incident · No injuriesIncident investigationFinal reportBoeing 757-251 · Atlanta, GAthe return to service of overhauled airplane engine parts with undetected fatigue cracks, resulting in complete loss of engine power and uncontained engine failure. A contributing factor was the inadequate diffuser and HPT case inspection procedure.NTSB CEN12LA008Accident · Serious injuriesLimited investigationFinal reportJohnston William Alfred JR Kolb Mark III · Versailles, MOA loss of engine power due to adjustments and modifications that the pilot made to the engine and airplane.NTSB ERA11FA504Accident · 1 fatalField investigationFinal reportHutchinson Kenneth A Velocity RG · Sanford, NCThe pilot/owner's intentional flight of his airplane with known mechanical discrepancies (frozen turbocharger waste gate), which resulted in a partial loss of engine power and subsequent collision with trees and terrain shortly after takeoff. Contributing to…NTSB CEN11LA415Accident · Serious injuriesLimited investigationFinal reportBins Tom Kitfox IV · Lafayette, LAThe pilot’s loss of control during a forced landing after a loss of engine power for undetermined reasons during takeoff.NTSB WPR11LA463Accident · No injuriesLimited investigationFinal reportCessna 177 · Rock Springs, WYThe pilot did not lean the fuel mixture prior to takeoff, which resulted in the engine's inability to attain sufficient power due to the rich mixture, and his inadequate preflight planning.NTSB WPR11LA460Accident · Serious injuriesLimited investigationFinal reportPiper PA23 · Truckee, CAThe pilot's failure to maintain an airspeed at or above the airplane's minimum controllable airspeed, which resulted in a loss of airplane control. Contributing to the accident was the partial loss of power from the left engine as a result of a clogged fuel…NTSB CEN11LA648Accident · Serious injuriesLimited investigationFinal reportRobinson Helicopter R44 · Ocate, NMThe pilot’s failure to apply carburetor heat, which resulted in the formation of carburetor ice and a partial loss of engine power.NTSB CEN11CA678Accident · Minor injuriesData collectionFinal reportPiper PA-28-180 · Buena Vista, COThe airplane’s diminished climb performance due to the pilot not leaning the engine mixture enough prior to takeoff in high density altitude conditions and at nearly maximum gross takeoff weight.NTSB WPR11FA424Accident · Serious injuriesField investigationFinal reportConsolidated Aeronautics Lake LA-4-200 · Lakeport, CAThe pilot's decision to continue the takeoff with reduced engine power, which resulted in a collision with terrain during the takeoff initial climb. Contributing to the accident was the partial loss of engine power for reasons that could not be determined…NTSB CEN11LA618Accident · No injuriesLimited investigationFinal reportVicari Waiex · Marion, ILThe partial loss of engine power during initial climb for undetermined reasons.NTSB CEN11CA637Accident · No injuriesData collectionFinal reportAero Commander S2R · Park Rapids, MNThe loss of engine power for undetermined reasons.NTSB CEN11CA660Accident · No injuriesData collectionFinal reportCessna 175 · Sugar Creek, OHThe pilot's delayed application of carburetor heat while operating in conditions conducive to carburetor icing.NTSB CEN11LA610Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Monette, ARThe fracture of the throttle cable in tensile overstress because of wear damage, which resulted in the partial loss of engine power.