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 CEN11LA688Accident · Minor injuriesLimited investigationFinal reportTaylorcraft BC12-D · Berryville, TXThe pilot did not maintain control of the airplane during a forced landing, which resulted in an aerodynamic stall. Contributing to the accident was the loss of engine power for undetermined reasons.NTSB WPR11LA391Accident · No injuriesLimited investigationFinal reportLuscombe 8A · Cowiche, WAA partial loss of engine power during maneuvering flight due to an exhaust valve failure.NTSB ERA11FA458Accident · 1 fatalField investigationFinal reportCessna 310Q · Tupelo, MSThe pilot’s delayed reaction in performing the engine failure procedures and his failure to maintain adequate airspeed, which resulted in a loss of airplane control. Contributing to the accident was maintenance personnel’s improper torquing of the B-nut…NTSB WPR11LA386Accident · No injuriesLimited investigationFinal reportAir Tractor AT-401 · Hardin, MTThe loss of engine power during takeoff due to the fatigue failure of the turbine wheel blades, which resulted from inadequate maintenance and inspections.NTSB CEN11LA568Accident · Serious injuriesLimited investigationFinal reportQuad City Challenger · Granbury, TXThe leak in the plastic connectors in the fuel lines, which resulted in decreased engine power during the initial climb.NTSB CEN11LA671Accident · Serious injuriesLimited investigationFinal reportFisher Michael E Hyster · Lake Jackson, TXThe improper maintenance of the throttle control cable, which resulted in the engine going to idle power after takeoff.NTSB CEN11LA598Accident · No injuriesLimited investigationFinal reportAir Tractor AT-301 · Edgeley, NDThe loss of engine power for reasons that could not be determined because postaccident examination of the airplane and engine did not reveal any anomalies that would have precluded normal operation.NTSB ANC11CA075Accident · No injuriesData collectionFinal reportPiper PA-32-301 · Kodiak, AKA partial loss of engine power while on approach to land due to a disconnected throttle control linkage, and the maintenance director's inadequate inspection of the throttle linkage during maintenance.NTSB WPR11LA374Accident · Minor injuriesLimited investigationFinal reportSIAI Marchetti F.260 · Coalinga, CAA partial loss of engine power immediately after takeoff for undetermined reasons.NTSB ERA11LA444Accident · Minor injuriesLimited investigationFinal reportHodges Samuel J RV-7A · Paducah, KYA partial loss of engine power during the initial climb for undetermined reasons.NTSB ENG11IA043Incident · No injuriesIncident investigationFinal reportMcdonnell Douglas DC-9-51 · Atlanta, GAThe probable cause of the No. 2 engine failure and subsequent aborted takeoff was the high cycle fatigue failure of a fan blade near the blade root that resulted in extensive low pressure compressor damage and compressor case breach.NTSB CEN11CA551Accident · Serious injuriesData collectionFinal reportQuicksilver Sprint II · Douglas, KSThe pilot’s improper fuel management, which resulted in a loss of engine power due to fuel exhaustion.NTSB WPR11LA369Accident · No injuriesLimited investigationFinal reportCessna 140 · Wilkeson, WAA partial loss of engine power during takeoff due to water contamination in the fuel system.NTSB WPR11LA366Accident · No injuriesLimited investigationFinal reportAyres S2R-600 · Hazelton, IDPartial loss of engine power for undetermined reasons.NTSB WPR11LA362Accident · Minor injuriesLimited investigationFinal reportCessna 172S · Syracuse, UTThe failure of the maintenance technicians who installed the engine to properly tighten the fuel injection servo to a spider supply line, which caused a loss of engine power due to fuel starvation.NTSB CEN11CA532Accident · No injuriesData collectionFinal reportAlon A-2A · Rolfe, IAThe pilot's decision to execute a precautionary landing to unsuitable terrain.NTSB CEN11FA528Accident · 2 fatalField investigationFinal reportWright B Flyer Wright B Flyer · Springfield, OHThe flight crew’s failure to maintain airplane control following a partial loss of engine thrust during cruise flight. Contributing to the accident was the failed weld as a result of incomplete welding on the left propeller shaft, which led to the partial…NTSB CEN11LA539Accident · Serious injuriesLimited investigationFinal reportHurley Richard A Cavalier SA102.5 · Salem, IAThe partial loss of engine power due to the formation of carburetor ice.NTSB ERA11LA429Accident · Minor injuriesLimited investigationFinal reportCessna 172M · Pahokee, FLThe flight instructor's misjudgment of the airplane's position and airspeed relative to the runway while returning to the airport after a partial loss of engine power. Contributing to the accident was the separation of the engine's No. 3 cylinder exhaust…NTSB CEN11FA508Accident · 1 fatalField investigationFinal reportBeech A36 · Williston, NDThe pilot's improper fuel management, which resulted in fuel starvation and a partial loss of engine power while maneuvering at a low altitude.NTSB CEN11CA516Accident · Serious injuriesData collectionFinal reportCessna 150F · Harbor Beach, MIThe pilot's delay in using carburetor heat while operating in carburetor icing conditions, resulting in carburetor ice and subsequent partial loss of engine power.NTSB CEN11LA514Accident · No injuriesLimited investigationFinal reportEvens RV4 · Monroe City, MOA total loss of engine power for undetermined reasons.NTSB ANC11LA068Accident · No injuriesLimited investigationFinal reportCessna 185 · Kenai, AKThe loss of engine power for an undetermined reason, resulting in the ditching and sinking of the airplane in ocean waters.NTSB CEN11CA526Accident · No injuriesData collectionFinal reportPiper PA-36-375 · Cambridge, NEThe pilot's failure to reset the engine's mixture control lever to the full rich position prior to takeoff.NTSB CEN11LA544Accident · Minor injuriesLimited investigationFinal reportAir Tractor AT802 · Ullin, ILThe loss of engine power for reasons that could not be determined because postaccident examination of the engine did not reveal any anomalies that would have precluded normal operation.NTSB WPR11FA333Accident · 2 fatalField investigationFinal reportDavidson Zenith Stol CH701 · Glendale, ORA total loss of engine power due to fuel starvation and the pilot’s subsequent failure to maintain airplane control during the forced landing. Contributing to the accident was the pilot’s failure to ensure that the fuel valves were in the correct position for…NTSB WPR11LA340Accident · No injuriesLimited investigationFinal reportPiper PA-24-250 · Lopez, WAA partial loss of engine power due to a cracked engine case near the rear cylinder.NTSB CEN11LA488Accident · Minor injuriesLimited investigationFinal reportDixon Volksplane VP-1 · Jackson, MIA partial loss of engine power during initial climb after takeoff for undetermined reasons.NTSB WPR11WA488Accident · No injuriesForeign investigationEurocopter BO105 · Tari, Papua New GuineaOn July 7, 2011, about 1200 local time, a Eurocopter BO-105C, Papua New Guinea registry P2-LAE, sustained an uncontained engine failure in one of its Rolls-Ropyce 250-C20B engines. A fire consumed the helicopter following a forced landing. The helicopter was…NTSB WPR11LA311Accident · Minor injuriesLimited investigationFinal reportCessna R182 · Hesperia, CAThe separation of the end baffle cone inside the muffler, which blocked airflow through the engine after takeoff and resulted in a loss of engine power and an off-airport landing into obstacles.NTSB ERA11LA379Accident · Minor injuriesLimited investigationFinal reportPiper J3C-65 · Egremont, MAA partial loss of engine power due to the No. 4 intake and exhaust valves becoming lodged in the valve guides, which resulted from a lack of use, improper engine storage preparation, and improper return to service from indefinite storage.NTSB ANC11IA059Incident · No injuriesIncident investigationFinal reportHughes 500D · McGrath, AKA fatigue fracture of the governor-to-fuel control Pc line, which resulted in a partial loss of engine power.NTSB ERA11LA388Accident · No injuriesLimited investigationFinal reportCessna 172N · Orange Beach, ALThe operation of the airplane using unapproved fuels, which resulted in abnormal combustion and subsequent damage to the No. 3 cylinder. Contributing to the accident was the inadequate 100-hour inspection because the mechanic failed to note the lack of…NTSB ERA11LA383Accident · No injuriesLimited investigationFinal reportCessna 150L · Plymouth, MAA partial loss of engine power during initial climb due to a stuck cylinder valve, which resulted from excessive corrosion and carbon deposits on the valve springs due to inadequate maintenance.NTSB CEN11LA449Accident · Minor injuriesLimited investigationFinal reportAbbey Victor RV9-A · Leander, TXThe partial loss of engine power for reasons that could not be determined because examination of the engine did not reveal any anomalies that would have precluded normal operation.NTSB CEN11FA436Accident · 1 fatalField investigationFinal reportRay Aerial Spraying 773 Racer · Ottumwa, IAThe loss of engine power for reasons that could not be determined because postaccident examination of the airplane’s engine and ignition system did not reveal any anomalies that would have precluded normal operation, and extensive postaccident fire damage…NTSB CEN11LA429Accident · Minor injuriesLimited investigationFinal reportKeesler W8 Tailwind · Oshkosh, WIThe loss of engine power during initial climb for undetermined reasons.NTSB WPR11LA291Accident · Serious injuriesLimited investigationFinal reportRichard Challenger II · Moses Lake, WAA loss of engine power during the initial climb for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB CEN11LA457Accident · Minor injuriesLimited investigationFinal reportBeech B36TC · Akron, COThe mixture control cable disconnected from the cable housing attach clamp, which resutlted in the pilot's inability to add power when needed.NTSB WPR11LA278Accident · No injuriesLimited investigationFinal reportAir Tractor AT-502 · Blackfoot, IDA partial loss of engine power during takeoff for undetermined reasons.NTSB ERA11CA355Accident · No injuriesData collectionFinal reportDotson William P Sngl Seat Hawk Arrow · Carthage, NCA partial loss of engine power due to the pilot’s improper installation of the engine’s No. 1 cylinder spark plugs.NTSB ERA11FA349Accident · 4 fatalField investigationFinal reportCessna T210N · Armonk, NYThe pilot's decision to depart on the flight with a suspected mechanical deficiency and his subsequent decision to fly the final approach at a reduced power setting. Contributing to the accident was the improper timing of the magneto(s) that resulted in a…NTSB ERA11LA342Accident · Minor injuriesLimited investigationFinal reportGrumman American Avn. AA-5A · Linden, NCA partial loss of engine power during initial climb for undetermined reasons.NTSB CEN11LA375Accident · No injuriesLimited investigationFinal reportBoeing A75N1(PT17) · Junction City, KSThe degraded engine performance due to low compression on the cylinder and delayed ignition timing.NTSB CEN11LA374Accident · Serious injuriesLimited investigationFinal reportMalkin Roy K Searey · Minneapolis, MNThe pilot's failure to maintain adequate airspeed during takeoff, which resulted in an inadvertent stall. Contributing to the accident was the degraded engine performance due to the improper servicing and maintenance of the fuel system.NTSB WPR11LA246Accident · No injuriesLimited investigationFinal reportScottish Series 100 MDL 101 · Chandler, AZA 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 ERA11LA325Accident · Minor injuriesLimited investigationFinal reportClamar Floats CA-4 · Merritt Island, FLThe loss of engine power during takeoff for reasons that could not be determined because a postaccident examination could not be performed before the airplane was disassembled.NTSB WPR11LA253Accident · No injuriesLimited investigationFinal reportCessna A188B · Pine Bluffs, WYA partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination did not reveal any mechanical malfunctions or failures that would have precluded normal operation.NTSB CEN11LA367Accident · Minor injuriesLimited investigationFinal reportJones Cozy Mark IV · Sioux City, IAThe pilot's improper installation of the gascolator gasket during the airplane's last condition inspection, which resulted in a partial loss of engine power while maneuvering.NTSB CEN11LA396Accident · Minor injuriesLimited investigationFinal reportGrumman G164 · Oak Ridge, LAThe flight instructor's failure to maintain adequate airspeed, which resulted in an aerodynamic stall and subsequent impact with trees.