Fatal, Final NTSB investigations
216 cases where the sequence of events included Loss of engine power (partial).
Cases per year
| 2008 | 11 |
|---|---|
| 2009 | 16 |
| 2010 | 11 |
| 2011 | 15 |
| 2012 | 13 |
| 2013 | 9 |
| 2014 | 23 |
| 2015 | 14 |
| 2016 | 12 |
| 2017 | 9 |
| 2018 | 16 |
| 2019 | 16 |
| 2020 | 9 |
| 2021 | 14 |
| 2022 | 9 |
| 2023 | 10 |
| 2024 | 9 |
Where
Open the mapLatest 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.\"completionStatus\" = 'Completed'
AND 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."highestInjuryLevel" = 'Fatal' AND c."completionStatus" = 'Completed' AND 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 CEN25FA006Accident · 1 fatalClass 3 · FieldFinal reportBeech C99 · Norfolk, NEThe pilot’s failure to maintain adequate airspeed following a partial loss of engine power during takeoff, which resulted in a loss of airplane control. Contributing to the accident was the fatigue failure of the compressor turbine fan disk blade.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 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 CEN24FA228Accident · 2 fatalClass 3 · FieldFinal reportCessna 421 · Steamboat Springs, COThe pilot’s failure to maintain sufficient airspeed following a loss of engine power, which resulted in an inadvertent aerodynamic stall/spin at low altitude.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 ERA24FA110Accident · 2 fatalClass 3 · FieldFinal reportBombardier CL-600-2B16 · Naples, FLCorrosion of both engines’ variable geometry (VG) system components, which led to their operation in an off-schedule position and resulted in near-simultaneous sub-idle rotating compressor stalls on approach, subsequent loss of thrust in both engines, and an…NTSB CEN24FA095Accident · 1 fatalClass 3 · FieldFinal reportCirrus Design SR22 · Little Rock, ARThe pilot’s failure to maintain airplane control after a partial loss of engine power during initial climb. Contributing to the accident was the pilot’s failure to follow airplane flight manual procedures and limitations for the turbocharged engine, which…NTSB WPR24FA054Accident · 1 fatalClass 3 · FieldFinal reportBeech A36 · Topock, AZThe failure of the No. 4 connecting rod due to oil starvation, which resulted in a loss of engine power, inflight fire, and a subsequent off-airport emergency landing on rough desert terrain. Contributing to the accident was the pilot’s decision to attempt a…NTSB 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 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 ERA23FA067Accident · 2 fatalClass 3 · FieldFinal reportPiper PA-30 · Winston-Salem, NCContamination and/or misalignment of the regulator section of the right engine’s fuel servo, which resulted in excessive idle fuel flow and a total loss of engine power. Also causal was the pilot's failure to land immediately on the nearest runway at the…NTSB 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 CEN22FA376Accident · 1 fatalClass 3 · FieldFinal reportCessna 182Q · Centennial, COThe loss of engine power during a departure climb for undetermined reasons and the aerodynamic stall, which resulted in an uncontrolled descent and impact with terrain.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 CEN22LA185Accident · 1 fatalClass 3 · LimitedFinal reportSuperior Culver LFA · Syracuse, KSThe pilot’s exceedance of the airplane’s critical angle of attack, which resulted in an inadvertent aerodynamic stall while returning to the airport following a partial loss of engine power for reasons that could not be determined.NTSB 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 ERA22FA086Accident · 1 fatalClass 3 · FieldFinal reportSwearingen SA226 · Bedford, NHThe pilot’s failure to secure and feather the left engine and increase power on the right engine after a perceived loss of engine power in the left engine, which resulted in a loss of control and impact with terrain just short of the runway. Contributing to…NTSB WPR22FA022Accident · 1 fatalClass 3 · FieldFinal reportCessna 172 · Ukiah, CAA power interruption due to water-contaminated fuel, which resulted in the student pilot aborting the takeoff and landing hard. Contributing to the accident were a leak in the left fuel tank that allowed water to enter and damage to the fuel tank that…NTSB CEN22FA011Accident · 1 fatalClass 3 · FieldFinal reportBeech 58TC · Mesa, COThe maintenance personnel’s failure to properly tighten the turbocharger oil line and the right engine propeller governor, which resulted in a loss of engine power. Contributing to the accident was the loss of airplane control following the loss of engine…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 ERA21FA334Accident · 1 fatalClass 3 · FieldFinal reportNorth American SNJ-2 · Wilkes-Barre, PAA partial loss of engine power for undetermined reasons. Also causal was the pilot’s exceedance of the airplane’s critical angle of attack while maneuvering for a forced landing following the loss of engine power, which resulted in an aerodynamic stall and…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 ERA21LA283Accident · 1 fatalClass 3 · LimitedFinal reportBailey N Moyes Dragonfly · Charlestown, NHThe passenger’s decision to continue an unstable approach while at low altitude and in proximity to a known obstacle, which resulted in a collision with power lines.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 ERA21FA232Accident · 1 fatalClass 3 · FieldFinal reportGulfstream American AA-5A · Crossville, TNA partial loss of engine power due to carburetor icing, which resulted in a descent and impact with terrain. Contributing to the accident was the pilot’s failure to apply carburetor heat following the initial loss of engine power.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 WPR21LA161Accident · 2 fatalClass 3 · LimitedFinal reportRans S12 · Colville, WAThe pilot’s exceedance of the airplane’s critical angle of attack while maneuvering to avoid powerlines, which resulted in an aerodynamic stall and a loss of control. Contributing to the accident was the partial loss of engine power due to improper…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 WPR21FA045Accident · 2 fatalClass 3 · FieldFinal reportCessna 177 · Langley, WAThe flight instructor’s failure to maintain airspeed, which resulted in an aerodynamic stall and subsequent loss of control while attempting to conduct an emergency landing. Contributing to the accident was a total loss of engine power as a result of…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.