# Fatal NTSB investigations: Powerplant sys/comp malf/fail

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 1 of 2 · 72 cases

## Latest cases

- [NTSB ERA26FA270](https://openairdocs.org/ntsb/ERA26FA270.md): Beech 95-B55 (T42A) · Metter, GA · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jul 13, 2026 · N55FD · Destroyed
  > On July 13, 2026, about 1114 eastern daylight time, a Beechcraft 95-B55, twin-engine airplane, N55FD, was destroyed when it was involved in an accident near Metter, Georgia. The commercial pilot was fatally injured. The airplane was operated as a Title 14…
- [NTSB CEN26FA228](https://openairdocs.org/ntsb/CEN26FA228.md): Textron 680A · Laredo, TX · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jun 17, 2026 · N523QS · Substantial damage
  > On June 16, 2026, at 2200 central daylight time, a Textron Aviation Inc 680A, N523QS, sustained substantial damage when it was involved in an accident in Laredo, Texas. The captain received serious injuries, the first officer received minor injuries, one…
- [NTSB ERA25FA230](https://openairdocs.org/ntsb/ERA25FA230.md): Mooney M20F · Beverly, MA · Accident · 2 fatal · Class 3 · Field · Final report · Jun 19, 2025 · N9573M · Substantial damage
  > The pilot’s failure to maintain control of the airplane while maneuvering to return to the airport which resulted in an aerodynamic stall. Contributing to the accident was the improperly installed No. 2 cylinder bottom spark plug by maintenance personnel,…
- [NTSB GAA25WA183](https://openairdocs.org/ntsb/GAA25WA183.md): Robinson R66 · Chalfont St Peter, Buckinghamshire, United Kingdom · Accident · 1 fatal · Class 5 · Foreign · Jun 11, 2025 · G-WBRN · Destroyed
- [NTSB CEN25FA006](https://openairdocs.org/ntsb/CEN25FA006.md): Beech C99 · Norfolk, NE · Accident · 1 fatal · Class 3 · Field · Final report · Oct 8, 2024 · N130GP · Destroyed
  > The 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 ERA24FA310](https://openairdocs.org/ntsb/ERA24FA310.md): Williams John Titan T-51 Mustang · Geneva, OH · Accident · 1 fatal · Class 3 · Field · Final report · Jul 21, 2024 · N751TX · Substantial damage
  > A sudden propeller overspeed and subsequent separation of the propeller blades and hub, while maneuvering at high speed and at low altitude, which resulted in a collision with a tree during the subsequent forced landing attempt.
- [NTSB CEN24FA218](https://openairdocs.org/ntsb/CEN24FA218.md): Cessna 172 · Gainesville, TX · Accident · 1 fatal · Class 3 · Field · Final report · Jun 12, 2024 · N656MA · Substantial damage
  > The fuel pump manufacturer’s improper torquing of screws on the engine-driven fuel pump, which resulted in a disruption in the fuel system and a loss of engine power on initial climb.
- [NTSB ERA24FA110](https://openairdocs.org/ntsb/ERA24FA110.md): Bombardier CL-600-2B16 · Naples, FL · Accident · 2 fatal · Class 3 · Field · Final report · Feb 9, 2024 · N823KD · Destroyed
  > Corrosion 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 ERA24FA078](https://openairdocs.org/ntsb/ERA24FA078.md): Piper PA46R-350T · Mooresville, NC · Accident · 1 fatal · Class 3 · Field · Final report · Dec 31, 2023 · N539MA · Substantial damage
  > A missing induction clamp, which allowed the induction hose to the left side intercooler to become disconnected, resulting in a total loss of engine power due to an overly rich fuel/air mixture.
- [NTSB WPR24FA054](https://openairdocs.org/ntsb/WPR24FA054.md): Beech A36 · Topock, AZ · Accident · 1 fatal · Class 3 · Field · Final report · Dec 10, 2023 · N4171S · Substantial damage
  > The 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 WPR24FA053](https://openairdocs.org/ntsb/WPR24FA053.md): Beauchamp Norm Kitfox · Eloy, AZ · Accident · 1 fatal · Class 3 · Field · Final report · Dec 8, 2023 · N66180 · Destroyed
  > The separation of a propeller blade during the initial climb due to insufficient blade retention forces. Contributing to the accident was the propeller blade retention design, manufacturing defects that prevented the propeller from achieving adequate grip…
- [NTSB ERA24FA050](https://openairdocs.org/ntsb/ERA24FA050.md): Piper PA32R · Attalla, AL · Accident · 1 fatal · Class 3 · Field · Final report · Nov 27, 2023 · N4187Q · Destroyed
  > The undetected wear of both pawl retaining rivets of the left magneto impulse coupling and fatigue failure of one pawl retaining rivet, which led to cascading fractures of the second pawl retaining rivet, left gear retainer assembly, and gear teeth of…
- [NTSB ERA23FA238](https://openairdocs.org/ntsb/ERA23FA238.md): Beech V35 · Rougemont, NC · Accident · 1 fatal · Class 3 · Field · Final report · May 21, 2023 · N272S · Destroyed
  > A total loss of engine power due to oil starvation. The source of the oil starvation could not be determined.
- [NTSB CEN23FA079](https://openairdocs.org/ntsb/CEN23FA079.md): Piper PA-32-301T · Kingfisher, OK · Accident · 2 fatal · Class 3 · Field · Final report · Jan 16, 2023 · N8266D · Destroyed
  > An oil leak of undetermined origin that resulted in an in-flight engine compartment fire and subsequent loss of airplane control.
- [NTSB ERA23FA025](https://openairdocs.org/ntsb/ERA23FA025.md): Piper PA-32-300 · Brentwood, TN · Accident · 1 fatal · Class 3 · Field · Final report · Oct 18, 2022 · N600JG · Destroyed
  > A total loss of engine power due to the catastrophic failure of the crankshaft resulting from the improper installation of the crankshaft for this application.
- [NTSB GAA22WA242](https://openairdocs.org/ntsb/GAA22WA242.md): Piper PA28 · Sungai Pinji, Malaysia · Accident · 1 fatal · Class 5 · Foreign · Aug 1, 2022 · 9M-BAA · Destroyed
- [NTSB CEN22FA317](https://openairdocs.org/ntsb/CEN22FA317.md): Bell UH-1H · Chapelle, NM · Accident · 4 fatal · Class 3 · Field · Final report · Jul 17, 2022 · N911SZ · Destroyed
  > The total loss of engine power due to the fatigue failure of the starter-generator input (zerol) gear which failed due to poor maintenance. Contributing to the accident was the unsuccessful autorotation complicated by the setting sun and high density altitude.
- [NTSB ERA22FA261](https://openairdocs.org/ntsb/ERA22FA261.md): Piper PA-28RT-201 · Panama City, FL · Accident · 2 fatal · Class 3 · Field · Final report · Jun 6, 2022 · N160LL · Substantial damage
  > Maintenance 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 ERA21FA253](https://openairdocs.org/ntsb/ERA21FA253.md): Vans RV6 · Buckingham, PA · Accident · 1 fatal · Class 3 · Field · Final report · Jun 15, 2021 · N74MS · Substantial damage
  > An exhaust system leak that resulted in failure of the oil quick drain, a loss of oil lubrication, an in-flight fire, and the pilot’s subsequent loss of airplane control.
- [NTSB CEN21FA130](https://openairdocs.org/ntsb/CEN21FA130.md): Velocity Vtwin · Janesville, WI · Accident · 2 fatal · Class 3 · Field · Final report · Feb 16, 2021 · N13VT · Substantial damage
  > The exceedance of the maximum airspeed for flight with the landing gear extended, which resulted in a separation of the right main landing gear door that subsequently impacted the right propeller and resulted in a total loss of right engine power.…
- [NTSB CEN21LA088](https://openairdocs.org/ntsb/CEN21LA088.md): Rans S12XL · Port Isabel, TX · Accident · 2 fatal · Class 3 · Limited · Final report · Dec 16, 2020 · N449JP · Substantial damage
  > An exceedance of the airplane’s critical angle of attack and aerodynamic stall following a loss of engine power during an unknown phase of flight, which resulted in an impact with terrain.
- [NTSB WPR21FA048](https://openairdocs.org/ntsb/WPR21FA048.md): Cessna 182 · Los Angeles, CA · Accident · 1 fatal · Class 3 · Field · Final report · Nov 12, 2020 · N939CP · Destroyed
  > Maintenance personnel’s failure to properly secure the throttle control hardware during recent maintenance, which resulted in its disconnection and a subsequent loss of engine power on approach for landing.
- [NTSB ERA20LA309](https://openairdocs.org/ntsb/ERA20LA309.md): Piper PA28 · McMinnville, TN · Accident · 3 fatal · Class 3 · Limited · Final report · Sep 8, 2020 · N4166Z · Substantial damage
  > A total loss of engine power due to a fatigue failure in a cylinder, and the pilot’s subsequent failure to maintain airspeed and her exceedance of the airplane’s critical angle-of-attack while maneuvering at low altitude.
- [NTSB GAA20WA125](https://openairdocs.org/ntsb/GAA20WA125.md): Cessna R172 · Tarapaca-Amazonas, Colombia · Accident · 1 fatal · Foreign investigation · Jul 30, 2020 · HK2129 · Destroyed
- [NTSB CEN20LA256](https://openairdocs.org/ntsb/CEN20LA256.md): Cessna 320 · Round Rock, TX · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 1, 2020 · N19AS · Destroyed
  > Improper 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 CEN20FA035](https://openairdocs.org/ntsb/CEN20FA035.md): Bell 407 · Gulf of Mexico (Gulf of Mexico) · Accident · 2 fatal · Class 3 · Field · Final report · Dec 7, 2019 · N79LP · Destroyed
  > A total loss of engine power due to the failure of the engine’s Nos. 3 and 4 bearings and the power turbine pinion gear, and subsequent loss of main rotor rpm, which resulted in a loss of control and impact with the water.
- [NTSB ERA20FA031](https://openairdocs.org/ntsb/ERA20FA031.md): Cessna 150 · New Bedford, MA · Accident · 1 fatal · Class 3 · Field · Final report · Nov 4, 2019 · N714LK · Destroyed
  > Pilot impairment due to exposure to carbon monoxide as a result of undetected corrosion and holes in the engine’s left exhaust muffler.
- [NTSB CEN19FA161](https://openairdocs.org/ntsb/CEN19FA161.md): Cessna 425 · Butler, MO · Accident · 1 fatal · Class 3 · Field · Final report · Jun 10, 2019 · N622MM · Destroyed
  > The pilot’s loss of airplane control during a descent to a diversion airport with only the left engine operating. Contributing to the accident was a malfunction of the right engine throttle, the cause of which could not be determined.
- [NTSB ERA19FA106](https://openairdocs.org/ntsb/ERA19FA106.md): Stol UC-1 · Winter Haven, FL · Accident · 1 fatal · Class 2 · Field · Final report · Feb 23, 2019 · N65NE · Substantial damage
  > A total loss of left engine power for reasons that could not be determined, and the instructor's failure to maintain airspeed while maneuvering for a forced landing, which resulted in a loss of control. Contributing to the accident was the instructor's…
- [NTSB CEN19LA056](https://openairdocs.org/ntsb/CEN19LA056.md): Douglas DC3C · Kidron, OH · Accident · 2 fatal · Limited investigation · Final report · Jan 21, 2019 · N467KS · Substantial damage
  > The loss of airplane control after an engine flameout and auto-feather system interruption during the takeoff climb, which resulted in an impact with terrain.
- [NTSB CEN19LA055](https://openairdocs.org/ntsb/CEN19LA055.md): Beech 36 · Fredericksburg, TX · Accident · 1 fatal · Class 3 · Limited · Final report · Jan 17, 2019 · N2021T · Destroyed
  > The loss of engine power due to fatigue failure of the crankshaft.
- [NTSB WPR19FA022](https://openairdocs.org/ntsb/WPR19FA022.md): Piper PA28 · Guthrie Center, IA · Accident · 4 fatal · Class 2 · Field · Final report · Nov 9, 2018 · N91770 · Substantial damage
  > Pilot incapacitation due to carbon monoxide poisoning as a result of an undetected crack in an engine exhaust muffler, which permitted entry of exhaust gasses into the cabin via the cabin heat system.
- [NTSB WPR18FA131](https://openairdocs.org/ntsb/WPR18FA131.md): American Air Racing Thunder Mustang · Reno, NV · Accident · 1 fatal · Field investigation · Final report · May 2, 2018 · N352BT · Substantial damage
  > The pilot's failure to properly secure the engine coolant pump pulley during recent maintenance, which resulted in a loss of the engine's lubrication, cooling, and propeller control systems, and a forced landing, during which the airplane nosed over.…
- [NTSB DCA18MA142](https://openairdocs.org/ntsb/DCA18MA142.md): Boeing 737 7H4 · Philadelphia, PA · Accident · 1 fatal · Class 1 · Major · Final report · Apr 17, 2018 · N772SW · Substantial damage
  > A low-cycle fatigue crack in the dovetail of fan blade No. 13, which resulted in the fan blade separating in flight and impacting the engine fan case at a location that was critical to the structural integrity and performance of the fan cowl structure. This…
- [NTSB WPR18FA088](https://openairdocs.org/ntsb/WPR18FA088.md): Hastings Thomas G Cirrus VK 30 · Agua Dulce, CA · Accident · 4 fatal · Field investigation · Final report · Feb 11, 2018 · N52TH · Substantial damage
  > The driveshaft fracture due to overstress loading and rotational bending as a result of the under-torqued nuts on the elastomeric couplings backing off and the subsequent in-flight separation of the horizontal fairing due to contact with the separated end of…
- [NTSB CEN18FA053](https://openairdocs.org/ntsb/CEN18FA053.md): Cessna T210M · Oldenburg, IN · Accident · 3 fatal · Field investigation · Final report · Dec 17, 2017 · N761YZ · Destroyed
  > A total loss of engine power due to the failure of the No. 4 piston, which resulted in an attempted forced landing in dark night conditions and a subsequent in-flight collision with trees and terrain. Contributing to the accident were the pilot's situational…
- [NTSB ERA18FA046](https://openairdocs.org/ntsb/ERA18FA046.md): Beech 58 · St. Croix · Accident · 5 fatal · Field investigation · Final report · Dec 8, 2017 · N4494A · Destroyed
  > The non-multiengine rated pilot's failure to maintain airplane control during a single-engine approach. Contributing to the accident was a total loss of engine power on the left engine due to detonation for reasons that could not be determined based on the…
- [NTSB ERA17FA317](https://openairdocs.org/ntsb/ERA17FA317.md): Schweizer 269C · Medford, NJ · Accident · 2 fatal · Field investigation · Final report · Sep 8, 2017 · N204HF · Substantial damage
  > The pilot's early entry into and failure to maintain rotor rpm during a forced landing autorotation after performing an engine shutdown in flight, which resulted in an uncontrolled descent. Contributing to the accident was the failure of maintenance personnel…
- [NTSB CEN17FA207](https://openairdocs.org/ntsb/CEN17FA207.md): Varga 2150A · Bowling Green, OH · Accident · 1 fatal · Field investigation · Final report · Jun 1, 2017 · N4635V · Substantial damage
  > The pilot's loss of control due to impairment from carbon monoxide poisoning. Contributing to the accident was the corrosion of the heat exchanger and the failure of maintenance personnel to adequately inspect and repair or replace the exchanger during the…
- [NTSB CEN16FA307](https://openairdocs.org/ntsb/CEN16FA307.md): Wilson BUGATTI-DEMONGE 100P · Burns Flat, OK · Accident · 1 fatal · Field investigation · Final report · Aug 6, 2016 · N110PX · Destroyed
  > The pilot's failure to maintain airspeed following an engine anomaly during the initial climb after takeoff, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall. Contributing to the accident was an…
- [NTSB CEN16FA290](https://openairdocs.org/ntsb/CEN16FA290.md): Flight Design Ctls · Fond du Lac, WI · Accident · 1 fatal · Field investigation · Final report · Jul 28, 2016 · N527TS · Substantial damage
  > Carburetor contamination following exposure to water in the fuel, which resulted in a carburetor malfunction and a partial loss of engine power. Contributing to the accident was the pilot's loss of airplane control that resulted in a stall.
- [NTSB CEN16FA171](https://openairdocs.org/ntsb/CEN16FA171.md): Mcdonnell Douglas Helicopter 369E · Reedsville, WI · Accident · 1 fatal · Field investigation · Final report · May 4, 2016 · N629JK · Substantial damage
  > The failure of the power turbine governor's dual-spool bearing due to a lack of lubrication, which resulted in a complete loss of engine power and subsequent impact with terrain.
- [NTSB WPR16FA095](https://openairdocs.org/ntsb/WPR16FA095.md): Mooney M20K · Woodland, WA · Accident · 1 fatal · Field investigation · Final report · Apr 21, 2016 · N97119 · Substantial damage
  > The pilot's delay in recognizing that the airplane was not performing as expected and aborting the takeoff, which resulted in collision with a berm beyond the end of the runway. Contributing to the accident were the pilot's exceedance of the airplane's gross…
- [NTSB ERA16FA127](https://openairdocs.org/ntsb/ERA16FA127.md): Sheahen Dane E RV-8 · Clermont, FL · Accident · 2 fatal · Field investigation · Final report · Mar 12, 2016 · N838RV · Substantial damage
  > The pilot's exceedance of the airplane's critical angle of attack while maneuvering for a forced landing; which resulted in an aerodynamic stall and loss of control. Contributing to the accident was the fatigue failure of the crankshaft for reasons that could…
- [NTSB ANC15FA066](https://openairdocs.org/ntsb/ANC15FA066.md): Cessna 180 · Kasilof, AK · Accident · 2 fatal · Field investigation · Final report · Aug 23, 2015 · N3043E · Substantial damage
  > The total loss of engine power for reasons that could not be determined based on postaccident examination and testing.
- [NTSB ERA15FA312](https://openairdocs.org/ntsb/ERA15FA312.md): Cessna T206H · West Caldwell, NJ · Accident · 1 fatal · Field investigation · Final report · Aug 15, 2015 · N63TV · Destroyed
  > A loss of engine power due to a malfunction of the turbocharging system likely due to contaminated oil. Also causal were the pilot's decision to continue the takeoff although the airplane was not performing normally and his failure to maintain adequate…
- [NTSB WPR15FA236](https://openairdocs.org/ntsb/WPR15FA236.md): Cessna 182F · Montecito, CA · Accident · 2 fatal · Field investigation · Final report · Aug 7, 2015 · N5738F · Substantial damage
  > Oil starvation that led to the failure of the No. 5 connecting rod and a subsequent loss of engine power.
- [NTSB CEN15FA056](https://openairdocs.org/ntsb/CEN15FA056.md): Aero Commander 500A · McDade, TX · Accident · 1 fatal · Field investigation · Final report · Nov 23, 2014 · N14AV · Substantial damage
  > The pilot's failure to maintain adequate airspeed and his exceedance of the airplane's critical angle-of-attack for reasons that could not be determined based on the available evidence, which resulted in an aerodynamic stall/spin. Contributing to the accident…
- [NTSB CEN15LA028](https://openairdocs.org/ntsb/CEN15LA028.md): Huebbe Sonex HB · Plainview, IL · Accident · 1 fatal · Limited investigation · Final report · Oct 26, 2014 · N244HB · Substantial damage
  > The loss of engine power during cruise flight due to a fatigue fracture of the crankshaft, which resulted in a forced landing on unsuitable terrain.
- [NTSB CEN14FA143](https://openairdocs.org/ntsb/CEN14FA143.md): Hawker SEA Fury ISS 25 · Breckenridge, TX · Accident · 1 fatal · Field investigation · Final report · Feb 18, 2014 · N13HP · Destroyed
  > The pilot’s inadequate emergency response to a runaway propeller and his failure to maintain airspeed, which resulted in the airplane exceeding its critical angle-of-attack and stalling. The cause of the runaway propeller was undetermined.

Next page: https://openairdocs.org/ntsb-events/340/sequence.md?fatal=1&page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '340' 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
```

This list as a web page: https://openairdocs.org/ntsb-events/340/sequence?fatal=1

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