Fatal NTSB investigations
148 cases where the defining event was Loss of engine power (partial).
Cases per year
| 2008 | 11 |
|---|---|
| 2009 | 6 |
| 2010 | 6 |
| 2011 | 8 |
| 2012 | 3 |
| 2013 | 6 |
| 2014 | 14 |
| 2015 | 12 |
| 2016 | 8 |
| 2017 | 5 |
| 2018 | 11 |
| 2019 | 11 |
| 2020 | 7 |
| 2021 | 7 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 8 |
| 2025 | 4 |
| 2026 | 2 |
Where
Latest cases
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.\"highestInjuryLevel\" = 'Fatal'
AND 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."highestInjuryLevel" = 'Fatal' AND 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 ERA26FA317Accident · 2 fatalClass 3 · FieldPreliminary reportConsolidated Aeronautics Lake LA-4-200 · Ithaca, NYOn August 30, 2026, about 1250 eastern daylight time, a Consolidated Aeronautics Inc., Lake LA-4-200, N6185V, was substantially damaged when it was involved in an accident near Ithaca, New York. The pilot and passenger were fatally injured. The airplane was…NTSB ERA26FA179Accident · 1 fatalClass 3 · FieldPreliminary reportCessna 401B · Land O' Lakes, FLOn April 19, 2026, about 0834 eastern daylight time, a Cessna 401B, N122AT, was destroyed when it was involved in an accident near Land O’ Lakes, Florida. The commercial pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal…NTSB WPR26FA068Accident · 1 fatalClass 3 · FieldPreliminary reportBeech K35 · Summer Lake, OROn December 23, 2025, about 0841 Pacific standard time, a Beech K35, N9540R, was substantially damaged when it was involved in an accident near Summer Lake, Oregon. The pilot was fatally injured. The airplane was being operated as a Title 14 Code of Federal…NTSB WPR26LA020Accident · 3 fatalClass 3 · LimitedPreliminary reportPiper PA-23-250 · Condon, MTOn October 17, 2025, about 1615 mountain daylight time, a Piper PA-23-250, N2345R, was substantially damaged when it was involved in an accident near Condon, Montana. The pilot and two passengers were fatally injured. The airplane was operated as a Title 14…NTSB GAA25WA219Accident · 2 fatalClass 5 · ForeignPiper PA31 · Deer Lake, CanadaNTSB WPR25FA127Accident · 1 fatalClass 3 · FieldPreliminary reportAzalea Saberwing · Justin, TXOn April 11, 2025, about 1906 central daylight time (CDT), an experimental amateur-built Azalea Aviation LLC Saberwing, N121DF, was destroyed when it was involved in an accident near Justin, Texas. The pilot was fatally injured. The airplane was operated as a…NTSB ERA25FA076Accident · 1 fatalClass 3 · FieldPreliminary reportCostruzioni Aeronautiche Tecnam P2008 · Greenwich, CTOn December 12, 2024, about 1846 eastern standard time, a Costruzioni Aeronautiche Tecnam P2008, N298PM, was substantially damaged when it was involved in an accident near Greenwich, Connecticut. The commercial pilot was fatally injured, and the private pilot…NTSB ANC24FA092Accident · 1 fatalClass 3 · FieldFinal reportJon Bergstedt JP Flyer · Wasilla, AKThe installation of an improperly sized fuel line that did not allow for adequate fuel flow to the engine, resulting in a partial loss of engine power and collision with trees.NTSB WPR24FA291Accident · 1 fatalClass 3 · FieldFinal reportAmerican Champion 8GCBC · Meeteetse, WYThe pilot’s decision to continue the flight over rising terrain at a low altitude in a high-elevation, high-density-altitude environment.NTSB GAA24WA322Accident · 1 fatalClass 5 · ForeignWassmer WA54 · Chartres, FranceNTSB GAA24WA259Accident · 1 fatalClass 5 · ForeignCessna 182 · Provincia de Neuquén, ArgentinaNTSB ERA24FA318Accident · 2 fatalClass 3 · FieldFinal reportBeech A36 · Ronkonkoma, NYA loss of engine power during initial climb for undetermined reasons. Contributing to the outcome was the pilot's failure to maintain control of the airplane following the loss of engine power and his decision to perform an intersection takeoff which, reduced…NTSB ERA24FA301Accident · 1 fatalClass 3 · FieldFinal reportCessna 402B · Aguadilla, PRThe pilot’s decision to operate the airplane with known maintenance discrepancies, which resulted in a total loss of right engine power. Contributing to the outcome was the pilot’s failure to maintain airspeed while returning to the airport with a single…NTSB ERA24FA157Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-44-180 · Fort Pierce North, FLThe flight instructor’s failure to maintain control of the multiengine airplane after a partial loss of engine power on one engine during a go-around, which resulted in an aerodynamic stall. Contributing to the accident was the mechanic’s failure to check the…NTSB GAA24WA042Accident · 1 fatalClass 5 · ForeignBeech C23 · Bram Fischer International Airpor, South AfricaNTSB ERA24FA001Accident · 2 fatalClass 3 · FieldFinal reportCessna 177RG · Lake Placid, NYA partial loss of engine power for undetermined reasons. Contributing to the accident was the pilot’s inadequate preflight weight and balance planning and his aggressive low altitude maneuvering, which resulted in an aerodynamic stall and loss of control.NTSB WPR23FA299Accident · 2 fatalClass 3 · FieldFinal reportCzech Sport SportCruiser · Van Nuys, CAThe misalignment of the carburetor piston slides, which resulted in a partial loss of engine power, and the flight instructor’s failure to maintain control of the airplane during an emergency landing, leading to an aerodynamic stall and impact with terrain.NTSB ERA23LA320Accident · 1 fatalClass 3 · LimitedFinal reportMesnard Velocity Twin · Sandersville, GAA total loss of power in the right engine due to the right ECU injector wires being severed by the main landing gear actuator piston teeter bar as a result of a lack of clearance and protection of the wiring bundle.NTSB CEN23FA314Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-31P · Kearney, MOThe pilot’s decision to operate an airplane with known fuel leaks, his failure to conduct an engine run-up before takeoff, his subsequent failure to abort the takeoff, and the mechanic’s inadequate maintenance, which resulted in a partial loss of right engine…NTSB WPR23FA244Accident · 1 fatalClass 3 · FieldFinal reportCurtiss Wright P-40E · Hamilton, MTA loss of engine power for undetermined reasons.NTSB WPR23FA225Accident · 1 fatalClass 3 · FieldFinal reportCessna R182 · McCall, IDMaintenance personnel's failure to properly torque and inspect the magneto hardware, which resulted in a partial loss of engine power.NTSB ERA23FA265Accident · 1 fatalClass 3 · FieldFinal reportBeech B35 · Orangeburg, SCA stuck No. 3 cylinder intake valve, which resulted in a partial loss of engine power and subsequent forced landing.NTSB ERA23FA188Accident · 1 fatalClass 3 · FieldFinal reportMiller Glenn F RV-12 · Climax, NCThe airplane owner/builder’s inappropriate use of a lower grade fuel than that required by the airplane and engine operations manual, which resulted in engine detonation and the degradation and eventual obliteration of the Nos. 1 and 2 cylinder spark plug…NTSB ERA23FA103Accident · 2 fatalClass 3 · FieldFinal reportPiper PA28 · Suffolk, VAThe pilot’s decision to fly the airplane without confirming it had been released from maintenance, which resulted in a partial loss of engine power due to loose magnetos. Contributing to the outcome was the pilot’s failure to maintain adequate airspeed and…NTSB GAA23WA097Accident · 1 fatalClass 5 · ForeignCessna 310F · Puerto Vallarta, MexicoNTSB WPR23FA073Accident · 1 fatalClass 3 · FieldFinal reportCessna 150A · Santa Monica, CAA failure of the No. 1 piston connecting rod bearing journal due to oil starvation for reasons that could not be determined, which resulted in a complete loss of engine power.NTSB GAA23WA031Accident · 2 fatalClass 5 · ForeignRobinson R66 · Kesova Gora, RussiaNTSB ERA23FA033Accident · 2 fatalClass 3 · FieldFinal reportBeech A24 · Keene, NHImproper maintenance of the fuel injector nozzles and the pilots’ failure to abort the takeoff during the takeoff roll. Contributing to the accident was the mechanic’s decision to return the airplane to service with the engine unable to attain its full rated…NTSB CEN22FA436Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-28-140 · Allentown, PAA partial loss of engine power for undetermined reasons.NTSB ERA22FA261Accident · 2 fatalClass 3 · FieldFinal reportPiper PA-28RT-201 · Panama City, FLMaintenance personnel’s failure to follow the avionics installation guidance for the oil pressure sensor, which resulted in the high-cycle fatigue failure of an line, oil starvation, and the subsequent loss of engine power. Contributing to the accident was…NTSB WPR22FA188Accident · 2 fatalClass 3 · FieldFinal reportCessna 172F · Show Low, AZThe pilot’s improper leaning of the engine during an extended period of time, which caused an exhaust valve to become stuck and led to the partial loss of engine power during the accident flight. Contributing to the accident was the pilot’s decision to…NTSB GAA22WA183Accident · 2 fatalClass 5 · ForeignCessna 208 · Boituva, BrazilNTSB ERA22FA126Accident · 1 fatalClass 3 · FieldFinal reportBeech 58 · Lexington, NCInadequate maintenance, which led to a partial loss of both right and left engine power during takeoff, and the pilot’s subsequent failure to maintain airspeed while maneuvering with one engine at low altitude. Contributing to the accident was the pilot’s…NTSB WPR21FA340Accident · 1 fatalClass 3 · FieldFinal reportCessna 177RG · Lake Havasu City, AZA partial loss of engine power during the airplane's initial climb due to wear of internal engine components, which prevented the engine from developing full-rated power and resulted in a loss of altitude.NTSB ERA21FA333Accident · 2 fatalClass 3 · FieldFinal reportPiper PA24 · Wadesboro, NCA partial loss of engine power during takeoff for reasons that could not be determined. Contributing was the pilot’s loss of airplane control, resulting in an aerodynamic stall and impact with trees and terrain.NTSB WPR21FA272Accident · 4 fatalClass 3 · FieldFinal reportMooney M20J · Dinsmore, CAThe airplane’s degraded engine performance due to wear to the intake cam lobes, which diminished the airplane’s takeoff and climb performance, resulting in a subsequent collision with trees.NTSB ERA21FA263Accident · 1 fatalClass 3 · FieldFinal reportCirrus SR22 · Mercer, TNA partial loss of engine power due to foreign object debris contamination of the left turbocharger wastegate. Contributing to the accident was the pilot’s failure to divert to the nearest airport.NTSB WPR21FA223Accident · 1 fatalClass 3 · FieldFinal reportVans RV6 · Porterville, CAA loss of engine power for reasons that could not be determined based on available information.NTSB WPR21FA175Accident · 2 fatalClass 3 · FieldFinal reportSwearingen SA226-T(B) · Winslow, AZThe loss of engine power to the right engine for reasons that could not be determined. Contributing to the accident was the pilot’s failure to maintain control of the airplane.NTSB CEN21LA107Accident · 2 fatalClass 3 · LimitedFinal reportHawker Beechcraft G58 · Credit, ARA loss of left engine power for undetermined reasons, which resulted in an emergency descent with one engine inoperative and inadvertent collision with transmission lines. Contributing to the accident was the pilot’s inability to respond appropriately to the…NTSB ERA21LA052Accident · 1 fatalClass 3 · LimitedFinal reportLancair Legacy FG · Hollywood, FLThe pilot/owner’s failure to properly reinstall the number 1 cylinder spark plug, which resulted in a partial loss of engine power during the initial climb. Contributing was the pilot's exceedance of the airplane’s critical angle of attack during an attempted…NTSB WPR21LA030Accident · 2 fatalClass 3 · LimitedFinal reportCessna 310 · Las Vegas, NVThe pilot’s failure to maintain the airplane’s minimum controllable airspeed while maneuvering with one engine inoperative. Also causal was the loss of power in the left engine due to oil starvation. Contributing to the accident were inadequate maintenance…NTSB WPR20LA212Accident · 2 fatalClass 3 · LimitedFinal reportCessna 172 · Lake Tahoe, CAThe partial loss of engine power due to carbon buildup in the No. 4 cylinder resulting from the pilot’s inadequate mixture-leaning procedures.NTSB CEN20LA256Accident · 1 fatalClass 3 · LimitedFinal reportCessna 320 · Round Rock, TXImproper maintenance that led to a loss of engine power due to a failed left engine magneto, the pilot’s improper application of single engine emergency procedures, and his failure to maintain control of the airplane which resulted in a collision with trees.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 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 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 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…