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 CEN20LA234Accident · Serious injuriesClass 3 · LimitedFinal reportAir Tractor AT402 · Pine Bluff, ARThe pilot’s exceedance of the airplane’s critical angle of attack, which led to an aerodynamic stall and a loss of airplane control. Contributing was a partial loss of engine power for undetermined reasons.NTSB ERA20LA213Accident · Serious injuriesClass 3 · LimitedFinal reportVans RV8 · Hampton, GAThe pilot’s excessive maneuvering at low altitude following a partial loss of engine power which resulted in an aerodynamic stall and collision with terrain.NTSB CEN20LA219Accident · 1 fatalClass 3 · LimitedFinal reportFlight Design Ctls · Beecher, ILThe pilot’s decision to continue takeoff after a partial loss of engine power, and the pilot’s subsequent failure to control airplane pitch during a forced landing. Contributing to the accident was the partial loss of engine power for reasons that could not…NTSB ERA20LA202Accident · 2 fatalClass 3 · LimitedFinal reportPiper PA23 · San Juan, PRThe pilot’s intentional operation of the airplane with known deficiencies of the left engine and subsequent in-flight loss of control after takeoff. Contributing to the loss of engine power was internal contamination of the left servo fuel injector.…NTSB CEN20LA197Accident · 1 fatalClass 3 · LimitedFinal reportBeech 35-A33 · Cambridge, OHA fuel injection system leak at or near the No. 3 cylinder that resulted in a partial loss of engine power during cruise flight.NTSB ERA20LA194Accident · No injuriesClass 3 · LimitedFinal reportBellanca 8KCAB · Rainbow City, ALThe partial loss of engine power for reasons that could not be determined based on available evidence.NTSB WPR20LA148Accident · Serious injuriesClass 3 · LimitedFinal reportAmerican AA-1A · Blythe, CAThe excessive wear of one magneto’s wiring harness, which resulted in a loss of engine power during takeoff. Contributing to the accident was the pilot’s failure to maintain airspeed following the loss of engine power, which resulted in exceedance of the…NTSB ERA20LA177Accident · 1 fatalClass 3 · LimitedFinal reportPiper PA34 · Pembroke Pines, FLA total loss of power in the right engine for reasons that could not be determined based on available information. Contributing to the accident was the flight instructor’s decision to turn 180° before securing the right engine, which resulted in a loss of…NTSB WPR20LA136Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172 · Fresno, CAThe partial loss of engine power for reasons that could not be determined based on available evidence.NTSB CEN20LA170Accident · No injuriesClass 3 · LimitedFinal reportErcoupe 415 · Hallettsville, TXThe partial loss of engine power due to contaminated fuel and carburetor ice.NTSB CEN20LA159Accident · Serious injuriesClass 3 · LimitedFinal reportPilatus PC12 · Mesquite, TXThe loss of engine power due to a mis-rigged beta control cable (propeller reversing cable), which resulted in a loss of thrust inflight.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 ERA20LA127Accident · No injuriesClass 3 · LimitedFinal reportPiper PA23 · Albemarle, NCThe pilots' failure to ensure that the electric fuel pumps were on before takeoff, which resulted in a partial loss of power on both engines during initial climb.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 ERA20LA062Accident · No injuriesClass 3 · LimitedFinal reportPiper PA32RT · Fletcher, NCA failure of two of the oil pump drive gear’s teeth, which resulted in a loss of engine oil lubrication, and a total loss of engine power.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 ANC20LA002Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Palmer, AKThe pilot's delayed application of carburetor heat in weather conditions conducive to carburetor icing, which resulted in a partial loss of engine power, a precautionary landing, and impact with terrain.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 ERA20MA001Accident · 7 fatalClass 2 · MajorFinal reportBoeing B17 · Windsor Locks, CTThe pilot’s failure to properly manage the airplane’s configuration and airspeed after he shut down the No. 4 engine following its partial loss of power during the initial climb. Contributing to the accident was the pilot/maintenance director’s inadequate…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 CEN19FA325Accident · 2 fatalClass 3 · FieldFinal reportCessna A185 · Conroe, TXA partial loss of engine power due to fuel contamination with water, and the pilot’s failure to maintain control of the airplane during an attempted return to the airport shortly after takeoff, which resulted in an aerodynamic stall.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 CEN19LA303Accident · No injuriesClass 3 · LimitedFinal reportPhantom Aeronautics X-1 · Van Wert, OHA loss of engine power due to the separation of the carburetor from the intake socket resulting from the improper installation of the intake silencer.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…