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 CEN11LA356Accident · Minor injuriesLimited investigationFinal reportBell 206 · Walton, KSA loss of engine power for undetermined reasons because postaccident examination of the airframe and engine revealed no anomalies.NTSB CEN11LA348Accident · Minor injuriesLimited investigationFinal reportPiper J3C · Cypress, TXThe loss of engine power due to carburetor ice.NTSB CEN11LA339Accident · No injuriesLimited investigationFinal reportMD Helicopter 369E · Victoria, TXThe pilot’s failure to ensure that the governor limit switch was properly set, which resulted in reduced engine power.NTSB ERA11FA274Accident · 1 fatalField investigationFinal reportBeech E18S · Miami Gardens, FLThe pilot’s improper response to a loss of power in the No. 2 engine and his failure to ensure that the airplane was airworthy. Contributing to the accident was the inadequate engine maintenance by the operator's maintenance personnel.NTSB ERA11CA279Accident · No injuriesData collectionFinal reportFranke Harry C Avid Flyer B · Somerset, PAThe pilot’s failure to hold full power for takeoff.NTSB WPR11LA209Accident · No injuriesLimited investigationFinal reportCessna 182B · Colville, WAThe partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination revealed no mechanical malfunctions or failures that would have precluded normal operation.NTSB WPR11LA207Accident · No injuriesLimited investigationFinal reportDavison RV-7A · Marsing, IDA loss of engine power during initial climb for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB CEN11LA305Accident · Minor injuriesLimited investigationFinal reportD & D Rotorway Exec · Massillon, OHThe excessive wear on the secondary shaft, from the inner bearing race, which resulted in the transmission clutch disengagement and a loss of power to the rotor system.NTSB CEN11CA298Accident · Minor injuriesData collectionFinal reportAviat A-1C-180 · Greensburg, INThe pilot's decision to land on the grass which contained standing water. Contributing to the accident was the partial loss of power due to carburetor ice.NTSB WPR11LA201Accident · No injuriesLimited investigationFinal reportCessna 172S · Payson, AZThe pilot's decision to conduct a touch-and-go arrival during his first flight to a high elevation airport, which resulted in an improper mixture adjustment and a partial loss of engine power for the takeoff and attempted climbout.NTSB CEN11FA292Accident · Minor injuriesField investigationFinal reportPiper PA-22/20 · New Orleans, LAThe pilot’s inadequate in-flight fuel management, which resulted in fuel starvation and a total loss of engine power.NTSB ERA11CA243Accident · No injuriesData collectionFinal reportPiper PA-28-180 · Latrobe, PAMaintenance personnel’s failure to properly secure the throttle cable to the fuel servo.NTSB ERA11FA233Accident · 1 fatalField investigationFinal reportCessna 402B · Biddeford, METhe pilot did not maintain minimum controllable airspeed while on final approach with a partial loss of power in the right engine, which resulted in a loss of control. Contributing to the accident was the partial loss of engine power in the right engine due…NTSB WPR11LA187Accident · No injuriesLimited investigationFinal reportZenith 701 · El Centro, CAA partial loss of engine power during the initial climb after takeoff due to oil starvation because of the failure of the No. 2 oil pump drive coupling.NTSB CEN11LA262Accident · No injuriesLimited investigationFinal reportPiper PA-30 · Ruidoso, NMThe left engine's intermittent loss of power during initial climb for undetermined reasons. Contributing to the accident was the high density altitude at the time of the accident.NTSB ERA11LA230Accident · No injuriesLimited investigationFinal reportCessna 172P · Vega Baja, PRThe failure of the No. 2 cylinder exhaust valve resulting in a loss of engine power.NTSB ERA11LA224Accident · No injuriesLimited investigationFinal reportPiper PA 46-350P · Greenwood, MSThe pilot did not obtain the proper touchdown point as a result of his decision to shut down the engine and to deploy the landing gear and flaps before the landing was assured. Contributing to the accident was his decision to overfly a closer suitable airport…NTSB ERA11LA213Accident · Minor injuriesLimited investigationFinal reportHolst Lawrence E VP-1 · Calhoun, GAA partial loss of engine power during initial climb due to an over-lean carburetor setting. Contributing to the accident was the pilot's improper adjustment of the engine's carburetor during construction.NTSB CEN11LA252Accident · Minor injuriesLimited investigationFinal reportBell 206L-3 · (Gulf of Mexico)The loss of engine power due to an engine compressor stall as a result of ingesting methane gas during takeoff.NTSB ERA11LA196Accident · Serious injuriesLimited investigationFinal reportPiper PA-28-140 · Ocean Springs, MSThe airplane's overweight condition due to the pilot's improper weight and balance calculation that resulted in the airplane's inability to maintain altitude.NTSB WPR11FA163Accident · Serious injuriesField investigationFinal reportSikorsky S-58ET · El Segundo, CAA partial loss of engine power and the failure of the external hook to release the load for undetermined reasons.NTSB WPR11LA161Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R22 Beta II · North Las Vegas, NVThe partial loss of engine power for undetermined reasons. Contributing to the accident was the certified flight instructor's decision to continue the flight after the helicopter exhibited inadequate performance capabilities and an unresolved power production…NTSB WPR11LA160Accident · No injuriesLimited investigationFinal reportPiper PA-28R-200 · Agoura Hills, CAThe loss of engine power during cruise flight for undetermined reasons.NTSB WPR11LA154Accident · No injuriesLimited investigationFinal reportCessna 210 · Pahrump, NVThe pilot's failure to extend the landing gear prior to touchdown and his improper decision to abort a gear-up landing following a propeller strike.NTSB WPR11FA147Accident · 1 fatalField investigationFinal reportNeefjes Lancair 360 MK-II · Milford, UTThe pilot's loss of control of the airplane due to spatial disorientation after inadvertently entering instrument meteorological conditions. Contributing to the accident were the pilot's inadequate preflight preparation, his en route decision-making, and his…NTSB ERA11LA167Accident · Minor injuriesLimited investigationFinal reportCessna 182F · Auburn, ALA loss of engine power due to an internal failure of the muffler that was not detected by maintenance personnel.NTSB WPR11LA140Accident · No injuriesLimited investigationFinal reportRearwin 8135 · Casa Grande, AZThe partial loss of engine power due to the separation of an exhaust valve rocker box as a result of the failure of the rocker box attaching studs.NTSB ERA11LA149Accident · No injuriesLimited investigationFinal reportCessna 150H · Jonesborough, TNA partial loss of engine power during initial climb for undetermined reasons.NTSB WPR11FA138Accident · 2 fatalField investigationFinal reportAirBorne WindSport Edge XT-912-L · Hanapepe, HIThe flight instructor did not maintain aircraft control while maneuvering at low altitude. Contributing to the accident was the inadvertent application of the choke, which resulted in a momentary interruption of engine power.NTSB CEN11LA188Accident · Minor injuriesLimited investigationFinal reportCessna 150G · Springdale, ARThe pilot’s improper fuel management, which resulted in a loss of engine power due to fuel exhaustion.NTSB CEN11LA183Accident · No injuriesLimited investigationFinal reportPiper PA-28-161 · Minneapolis, MNThe pilot's loss of directional control during the landing.NTSB CEN11LA186Accident · Minor injuriesLimited investigationFinal reportGadbois Eugene W Apex CROSS-5 · Lago Vista, TXThe simultaneous loss of engine and electrical power after takeoff for undetermined reasons.NTSB WPR11LA131Accident · No injuriesLimited investigationFinal reportAeronca 7AC · Novato, CAThe pilot's use of a non-vented fuel cap, which resulted in a total loss of engine power due to fuel starvation.NTSB WPR11LA113Accident · Serious injuriesLimited investigationFinal reportPiper PA-30 · Big Bear City, CAThe pilot’s failure to maintain the minimum single-engine control speed while on final approach for landing. Contributing to the accident was the pilot's decision to fly with a known deficiency in one engine and a loss of power in that engine for reasons that…NTSB CEN11LA169Accident · Minor injuriesLimited investigationFinal reportCessna 172P · Chesapeake, OHThe partial loss of engine power due to carburetor icing and the pilot’s delayed use of carburetor heat and failure to attain the proper touchdown point on the runway during the precautionary landing.NTSB WPR11FA114Accident · 1 fatalField investigationFinal reportMooney M20J · Furnace Creek, CAThe magneto clamps were not securely fastened to the mount, which led to a partial loss of engine power and a subsequent forced landing on unsuitable terrain.NTSB WPR11LA104Accident · Minor injuriesLimited investigationFinal reportBice Air Creation GTE · Hayfork, CAThe total loss of engine power during cruise flight, while operating in carburetor icing conditions.NTSB ERA11CA108Accident · No injuriesData collectionFinal reportPiper PA-22-150 · Thomaston, GAThe mechanic's failure to install a cotter retaining pin in the throttle arm retaining nut resulting in excessive throttle play and loss of engine power control.NTSB ERA11LA103Accident · No injuriesLimited investigationFinal reportCessna 152 · Wimauma, FLThe mechanic/pilot's failure to detect a visible exhaust gas leak and cracked cylinder head immediately prior to the accident flight, which resulted in a partial loss of engine power during initial climb. Contributing to the accident was an inadequate…NTSB CEN11IA146Incident · No injuriesIncident investigationFinal reportColumbia LC41 · Milsap, TXA total loss of engine power in flight due to a loss of engine oil for reasons that could not be determined during a postaccident teardown examination of the engine.NTSB WPR11LA080Accident · Serious injuriesLimited investigationFinal reportSchaefer Kitfox 4 · Glendale, AZThe pilot's failure to recognize the onset of and to prevent an aerodynamic stall at low altitude. Contributing to the accident were the manufacturer’s conflicting guidance about the power setting for takeoff and the pilot’s decision to conduct a…NTSB CEN11FA125Accident · 1 fatalField investigationFinal reportBeech C24R · Wheeling, ILThe installation of the wrong engine-driven fuel pump, which resulted in a loss of engine power during takeoff, and the pilot's subsequent decision to turn back toward the airport at an insufficient altitude to complete the maneuver. Contributing to the…NTSB ERA11LA093Accident · Serious injuriesLimited investigationFinal reportCessna 182 · West Milford, NJThe pilot's delayed application of carburetor heat while taking off in weather conditions conducive to serious carburetor icing, which resulted in a partial loss of engine power.NTSB CEN11LA076Accident · No injuriesLimited investigationFinal reportBeech 35-33 · Roanoke, TXA loss of engine power for undetermined reasons.NTSB WPR11FA045Accident · No injuriesField investigationFinal reportEurocopter AS350B2 · Pacoima, CAThe contamination of a spool bearing in the power turbine governor during manufacture, which led to the bearing’s failure in flight, a subsequent loss of engine power during departure, and the resultant hard landing.NTSB CEN11CA062Accident · No injuriesData collectionFinal reportCessna 172 · Pineville, LAThe pilot/mechanic’s improper inspection of the airplane following the engine installation.NTSB WPR11LA039Accident · Serious injuriesLimited investigationFinal reportLansdorf Qualt · Sonoma, 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 DCA11WA008Accident · 21 fatalForeign investigationBeech 1900 · Karachi, PakistanOn November 5, 2010, a JS Air Pakistan, a Hawker Beechcraft B-1900, registration AP-BJD, crashed shortly after takeoff from Karachi-Jinnah International Airport (KHI), Karachi, Pakistan. All 17 passengers and 4 crewmembers onboard were fatally injured, and…NTSB CEN11LA044Accident · Minor injuriesLimited investigationFinal reportGlobe GC-1B · Grants, NMThe loss of partial engine power for undetermined reasons.NTSB ERA11LA037Accident · No injuriesLimited investigationFinal reportPiper PA-31-350 · Aguadilla, PRThe pilot's improper decision to ditch the airplane after a reported partial loss of engine power and overheat on one engine for undetermined reasons.