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 WPR20LA145Accident · No injuriesClass 3 · LimitedFinal reportCzech Sport Sport Cruiser · Logan, UTA partial loss of engine power during takeoff due to vapor lock.NTSB CEN20LA149Accident · No injuriesClass 3 · LimitedFinal reportCessna 402 · Kirksville, MOA loss of engine power after takeoff for undetermined reasons.NTSB WPR20LA122Accident · No injuriesClass 3 · LimitedFinal reportBuckman Bucks Special · Prescott, WADiminished engine performance due to carburetor icing conditions and multiple mechanical anomalies that did not allow for the airplane to attain adequate airspeed during takeoff from a planted field and failure to maintain clearance from obstructions.…NTSB ERA20WA133Accident · No injuriesForeign investigationPiper PA23 · Eleuthera, BahamasThe government of Bahamas has notified the NTSB of an accident involving a Piper PA23 airplane that occurred on March 21, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of Bahamas's investigation under the provisions of…NTSB CEN20LA123Accident · No injuriesClass 3 · LimitedFinal reportCessna 182 · Baxterville, MSThe failure of the No. 1 cylinder intake valve due to inadequate valve seating.NTSB CEN20LA113Accident · No injuriesClass 3 · LimitedFinal reportBell 206 · Clark, MOThe fatigue failure of the pneumatic line for reasons that could not be determined, which resulted in a loss of engine power and subsequent hard landing.NTSB WPR20LA098Accident · Minor injuriesClass 3 · LimitedFinal reportFlight Design Ctls · Encino, NMA partial loss of engine power due to fuel starvation, which likely resulted from a leak in the fuel system.NTSB ANC20CA030Accident · No injuriesData collectionFinal reportPiper PA18 · Big Lake, AKThe pilot's failure to use carburetor heat in conditions conducive to carburetor icing, which resulted in a partial loss of engine power, a precautionary landing, and impact with snow.NTSB WPR20LA097Accident · No injuriesClass 3 · LimitedFinal reportCessna 170 · Baker City, ORThe failure of the No. 2 connecting rod bearing as a result of oil starvation due to a contaminated oil filter screen.NTSB WPR20LA094Accident · No injuriesClass 3 · LimitedFinal reportErcoupe 415 · Torrance, CAThe partial loss of power due to a malfunction of the throttle cable, which limited movement of the throttle body.NTSB WPR20LA068Accident · No injuriesClass 3 · LimitedFinal reportCessna 172Q · Big Timber, MTA loss of engine power during climbout for undetermined reasons.NTSB ERA20LA071Accident · Minor injuriesClass 3 · LimitedFinal reportHughes OH 6A · Preston, GAA partial loss of engine power for reasons that could not be determined based on the available information.NTSB ERA20LA064Accident · No injuriesClass 3 · LimitedFinal reportCirrus SR22 · Kenansville, NCA fatigue failure of the camshaft due to a manufacturing defect, which resulted in a partial loss of engine power.NTSB CEN20LA051Accident · No injuriesClass 3 · LimitedFinal reportEnstrom F28 · Danbury, TXThe failure of the engine's No.3 intake valve resulting is a loss of engine power and a rollover following the autorotation to soft ground.NTSB ERA20WA061Accident · 3 fatalForeign investigationPiper PA-32-301T · Vereda Cuzama, ColombiaThe government of Colombia has notified the NTSB of an accident involving a PIPER PA-32-301T airplane that occurred on December 30, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Colombia's investigation under the…NTSB ENG20WA011Incident · No injuriesForeign investigationAirbus A320 · Guwahati, IndiaThe government of India has notified the NTSB of an incident involving an Airbus A320 airplane that occurred on December 23, 2019. A GoAir Airbus A320-271N Neo powered by two Pratt & Whitney PW1127G-JM geared turbofan engines experienced an inflight shutdown…NTSB ENG20WA009Incident · No injuriesForeign investigationAirbus A320 · Mumbai, IndiaThe government of India has notified the NTSB of an incident involving an Airbus A320 airplane that occurred on December 22, 2019. A GoAir Airbus A320-271N Neo powered by two Pratt & Whitney PW1127G-JM geared turbofan engines experienced high engine…NTSB ERA20LA054Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson R44 · San Antonio, TXMaintenance personnel’s failure to complete all necessary steps of a service bulletin and subsequent failure to identify the loose lower actuator bearing support bracket during inspections, which resulted in the misalignment of the clutch actuator, resulted…NTSB GAA20WA108Incident · No injuriesForeign investigationDe Havilland DHC6 · Pau Pyrenesse, FranceThe government of France has notified the NTSB of an accident involving a DE HAVILLAND DHC6 airplane that occurred on December 06, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of France's investigation under the…NTSB CEN20FA023Accident · 3 fatalClass 3 · FieldFinal reportPiper PA24 · San Antonio, TXThe loss of engine power for reason that could not be determined. Contributing to the accident was the pilot’s failure to maintain aircraft control while maneuvering to landing which resulted in an inadvertent stall/spin with insufficient altitude to recover.NTSB WPR20LA035Accident · No injuriesClass 3 · LimitedFinal reportZenith Stol CH701 · Byron, CAThe pilot/builder's improper construction of the cowling, which resulted in inadequate venting of the engine, its overheating, and a partial loss of engine power.NTSB ERA20LA044Accident · Serious injuriesClass 3 · LimitedFinal reportBeech E35 · Okeechobee, FLThe separation of the throttle control cable from the carburetor throttle control lever resulting in the near total loss of engine power. Contributing to the separation of the throttle cable was the lack of proper securing hardware by unknown maintenance…NTSB ENG20WA049Occurrence · No injuriesClass 5 · ForeignBoeing 737 · Owerri, NigeriaNTSB WPR20FA016Accident · 1 fatalClass 3 · FieldFinal reportEnstrom 280F · Jordan Valley, ORA partial loss of engine power due to a worn engine air induction hose, and a subsequent uncontrolled descent into terrain. Contributing to the accident was the failure of maintenance personnel to adequately inspect the hose, and the pilot’s decision to fly…NTSB ERA20LA017Accident · No injuriesClass 3 · LimitedFinal reportAyres S2R · Shellman, GAA partial loss of engine power for reasons that could not be determined based on the available information.NTSB WPR20LA007Accident · Minor injuriesClass 3 · LimitedFinal reportHiller UH 12E · Susanville, CAA partial loss of engine power due to multiple overtemperature events and a hot start event, which resulted in thermally damaged internal components of the engine. Contributing to the accident was the lack of suitable terrain on which to perform the forced…NTSB CEN20LA005Accident · No injuriesLimited investigationFinal reportZenair Zenith CH 701 · Garden Ridge, TXThe partial loss of engine power for reasons that could not be determined based on the available evidence.NTSB CEN19LA326Accident · No injuriesClass 3 · LimitedFinal reportVans Vans RV-10 · Lancaster, TXA partial loss of engine power due to a faulty magneto/ignition system, which resulting in a forced landing.NTSB ERA19LA274Accident · Minor injuriesClass 3 · LimitedFinal reportSocata TB9 · Fort Meade, MDThe failure of the carburetor intake scat tubing, which resulted in a partial loss of engine power.NTSB ERA19LA273Accident · Serious injuriesClass 3 · LimitedFinal reportRobinson R44 · Sardis, GAFatigue failure of the fasteners on the engine crankshaft, which resulted in a partial loss of engine power and a subsequent forced landing.NTSB ERA19LA272Accident · Minor injuriesClass 3 · LimitedFinal reportDiamond DA40 · Norfolk, VAA partial loss of engine power due to the mechanic's failure to properly tighten the two clamps securing the flexible coupling from the intercooler to the induction inlet.NTSB CEN19LA299Accident · Minor injuriesClass 3 · LimitedFinal reportPiper PA28 · Conroe, TXA partial loss of engine power for reasons that could not be determined based on the available evidence.NTSB ERA19FA256Accident · 1 fatalClass 3 · FieldFinal reportMoriarty Marvin Aventura II · Minneola, FLThe pilot’s improper modifications to the airplane’s engine, which resulted in the partial loss of engine power. Contributing to the outcome was the pilot's exceedance of the airplane’s critical angle of attack during an attempted return to the airport…NTSB WPR19LA233Accident · Serious injuriesClass 3 · LimitedFinal reportCessna 120 · Livermore, CAA partial loss of engine power due to fouled spark plugs in the No. 4 cylinder. Contributing to the accident was the pilot’s exceedance of the airplane’s critical angle of attack and a subsequent loss of control during the initial climb.NTSB ERA19FA249Accident · 2 fatalClass 3 · FieldFinal reportCessna T303 · Lagrangeville, NYA partial loss of engine power in both engines during initial climb for reasons that could not be determined based on the available information.NTSB CEN19LA275Accident · No injuriesClass 3 · LimitedFinal reportCessna 150 · Rio Grande City, TXThe loss of engine power following an increase in oil temperature for undetermined reasons during cruise flight, which resulted in a forced landing on unsuitable terrain.NTSB ERA19LA245Accident · Serious injuriesClass 3 · LimitedFinal reportSchweizer 269C · Allentown, PAInadequate maintenance of the helicopter’s magnetos, which resulted in a partial loss of engine power during the initial climb due to a failure of the left magneto and malfunction of the right magneto.NTSB CEN19WA274Accident · No injuriesForeign investigationBell 206 · Vuoggatjålme, SwedenOn August 10, 2019, about 0855 hours universal coordinated time, a Bell 206-L1, Swedish registration SE-JOA, was damaged when the rotor blades struck the tail boom during an emergency landing following a loss of engine power after takeoff near Vuoggatjålme,…NTSB CEN19LA262Accident · Minor injuriesClass 3 · LimitedFinal reportPietenpol Aircamper · Newark, OHThe engine’s failure to produce full power for reasons that could not be determined.NTSB CEN19LA260Accident · Minor injuriesClass 3 · LimitedFinal reportMoth DH60GM · Cortez, COA partial loss of engine power due to carburetor ice accumulation, which resulted in a loss of altitude and impact with trees.NTSB CEN19LA250Accident · Minor injuriesClass 3 · LimitedFinal reportRobinson Helicopter R44 II · Lyons, NEThe engine's low cylinder compression, which resulted in low rotor rpm and a subsequent dynamic rollover following landing on soft terrain.NTSB CEN19LA265Accident · No injuriesClass 3 · LimitedFinal reportPiper PA28 · Fairhope, ALFailure of the No. 3 exhaust valve and the subsequent loss of engine power due to engine operation with an excessively lean fuel mixture over a period of time.NTSB WPR19LA226Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 177RG · Fall City, WAThe failure of the No. 3 cylinder intake valve that resulted in a partial loss of engine power and a forced landing on uneven terrain.NTSB ERA19LA238Accident · No injuriesClass 3 · LimitedFinal reportAero Commander S2R · Cuthbert, GAThe failure of the No. 1 bearing due to fatigue which resulted in a partial loss of engine power. The reason for the bearing failure could not be determined based on the available information.NTSB GAA19WA458Incident · No injuriesForeign investigationSikorsky S92 · Sable Island, CanadaThe government of Canada has notified the NTSB of an accident involving a SIKORSKY S92 helicopter that occurred on July 24, 2019. The NTSB has appointed a U.S. Accredited Representative to assist the government of Canada's investigation under the provisions…NTSB ANC19LA040Accident · No injuriesClass 3 · LimitedFinal reportCessna 182 · Farewell, AKA reported partial loss of engine power during takeoff for reasons that could not be determined.NTSB WPR19LA198Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Madras, ORA partial loss of power during final approach for undetermined reasons as postaccident examinations did not reveal any preimpact anomalies with the airplane or engine.NTSB CEN19LA233Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Kingston, OKThe partial loss of engine power due to a stuck exhaust valve.NTSB ERA19LA232Accident · Minor injuriesClass 3 · LimitedFinal reportVans RV7 · Ocean City, MDThe disconnection of the propeller governor control arm from the propeller governor due to a missing attachment bolt, which resulted in a partial loss of engine power during takeoff when the governor control vibrated to a high pitch, low rpm setting.NTSB ANC19LA034Accident · No injuriesClass 3 · LimitedFinal reportCessna 172RG · Ocean City, MDA partial loss of power due to the liberation or failure of the No. 2 cylinder's exhaust valve.