# NTSB investigations: Powerplant parameters

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 · 81 cases

## Latest cases

- [NTSB CEN26LA168](https://openairdocs.org/ntsb/CEN26LA168.md): Robinson Helicopter R44 · Mount Blanco, TX · Accident · Minor injuries · Class 4 · Limited · Final report · Apr 17, 2026 · N445JS · Substantial damage
  > The pilot’s failure to maintain proper main rotor rpm during a low-level turn, which resulted in the main rotor rpm drooping, a loss of control at an altitude too low for recovery, and a subsequent impact with terrain.
- [NTSB WPR26LA104](https://openairdocs.org/ntsb/WPR26LA104.md): Aerosport Ikarus C42E · Wendover, UT · Accident · No injuries · Class 4 · Limited · Final report · Feb 16, 2026 · N420MS · Substantial damage
  > The pilot’s mismanagement of engine power during a maximum performance, 180° climbing left turn at a low altitude that resulted in impact with terrain.
- [NTSB WPR26LA009](https://openairdocs.org/ntsb/WPR26LA009.md): Mooney M20C · Watsonville, CA · Accident · No injuries · Class 4 · Limited · Final report · Oct 7, 2025 · N6814N · Substantial damage
  > The pilot’s decision to program avionics during taxi, resulting in an inadvertent throttle input and collision with a hangar.
- [NTSB WPR26LA007](https://openairdocs.org/ntsb/WPR26LA007.md): Piper PA-30 · Gila Bend, AZ · Accident · No injuries · Class 4 · Limited · Final report · Oct 6, 2025 · N8678Y · Substantial damage
  > The pilot’s improper throttle input and failure to maintain aircraft control during landing.
- [NTSB ERA25LA235](https://openairdocs.org/ntsb/ERA25LA235.md): Cessna R182 · Milton, FL · Accident · No injuries · Class 3 · Limited · Final report · Jun 23, 2025 · N262AL · Substantial damage
  > Separation of the throttle cable sleeve during takeoff, which resulted an uncommanded engine power reduction and the pilot’s inability to control the engine throttle, and resulted in a forced landing.
- [NTSB ERA25LA142](https://openairdocs.org/ntsb/ERA25LA142.md): Cessna TU206G · Wedgefield, FL · Accident · No injuries · Class 3 · Limited · Final report · Mar 12, 2025 · N27GP · Substantial damage
  > A total loss of engine power as a result of an excessively rich fuel-to-air ratio due to the pilot’s failure to properly lean the engine’s fuel air mixture and the inadvertent activation of the auxiliary fuel pump.
- [NTSB CEN25LA084](https://openairdocs.org/ntsb/CEN25LA084.md): Bell Helicopter Textron Canada 505 · Lago Vista, TX · Accident · No injuries · Class 4 · Limited · Final report · Nov 11, 2024 · N1243Y · Substantial damage
  > The flight instructor’s improper recovery from a practice autorotation which resulted in a hard landing.
- [NTSB CEN25LA021](https://openairdocs.org/ntsb/CEN25LA021.md): Mooney M20K · Elizabeth, LA · Accident · No injuries · Class 3 · Limited · Final report · Oct 17, 2024 · N231MW · Substantial damage
  > The pilot’s failure to set the engine fuel mixture to the required setting, which resulted in reduced engine power during a go-around and subsequent impact with trees. Contributing to the accident, the failure of the mechanic to perform a current fuel…
- [NTSB WPR25LA006](https://openairdocs.org/ntsb/WPR25LA006.md): Agustawestland AW109SP · Kamas, UT · Accident · Minor injuries · Class 4 · Limited · Final report · Oct 8, 2024 · N631HC · Substantial damage
  > The pilot’s exceedance of the helicopter’s available power while landing in a confined area, which resulted in a loss of tail rotor effectiveness and a hard landing.
- [NTSB CEN25LA003](https://openairdocs.org/ntsb/CEN25LA003.md): Schweizer 269C · Montrose, CO · Accident · Minor injuries · Class 3 · Limited · Final report · Oct 3, 2024 · N656RB · Substantial damage
  > A loss of engine power during a demonstrated autorotation due to an improperly adjusted air-fuel mixture or idle setting. Contributing to the accident was the pilot’s failure to perform the required idle check during previous flights in higher elevation areas.
- [NTSB WPR24LA307](https://openairdocs.org/ntsb/WPR24LA307.md): Robinson Helicopter R44 II · Basin, MT · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 15, 2024 · N233WT · Substantial damage
  > The pilot’s decision to continue performing a high-performance takeoff in a full throttle and low-rotor-rpm condition, which resulted in a loss of control and subsequent impact with terrain.
- [NTSB WPR24FA290](https://openairdocs.org/ntsb/WPR24FA290.md): Aero Commander 200D · Novato, CA · Accident · 1 fatal · Class 3 · Field · Final report · Aug 31, 2024 · N2912T · Substantial damage
  > The pilot’s failure to abort takeoff or compensate for gusty crosswind conditions during takeoff, which resulted in a loss of control and subsequent runway excursion.
- [NTSB WPR24LA262](https://openairdocs.org/ntsb/WPR24LA262.md): Hiller UH-12E · Bonners Ferry, ID · Accident · No injuries · Class 4 · Limited · Final report · Jul 24, 2024 · N3375T · Substantial damage
  > The pilot’s improper selection of a landing site, which resulted in a main rotor strike. Contributing to the accident was the pilot’s improper performance planning and altitude selection over water, which resulted in an rpm droop.
- [NTSB WPR24LA240](https://openairdocs.org/ntsb/WPR24LA240.md): Cessna 182B · Soldier, ID · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 13, 2024 · N2617G · Substantial damage
  > A total loss of engine power resulting from the failure of the No. 1 piston and the No. 2 piston connecting rod due to detonation.
- [NTSB ERA24LA286](https://openairdocs.org/ntsb/ERA24LA286.md): Grumman G-164A · Toccoa, GA · Accident · No injuries · Class 3 · Limited · Final report · Jun 29, 2024 · N7849 · Substantial damage
  > The pilot’s failure to set the engine speed control fully forward during takeoff, resulting in an engine surge and subsequent loss of control during landing.
- [NTSB CEN24LA241](https://openairdocs.org/ntsb/CEN24LA241.md): Air Tractor AT-301 · Andover, MO · Accident · No injuries · Class 4 · Limited · Final report · Jun 27, 2024 · N3165C · Substantial damage
  > The pilot’s inability to maintain altitude and airspeed during cruise flight likely due to a decrease in engine performance associated with the unauthorized use of automobile fuel, which led to an inflight collision with a tree and hard landing.
- [NTSB ERA24LA142](https://openairdocs.org/ntsb/ERA24LA142.md): Piper J3C-65 · Homosassa Springs, FL · Accident · No injuries · Class 4 · Limited · Final report · Mar 14, 2024 · N71093 · Substantial damage
  > The pilot’s failure to confirm the throttle position before attempting to start the airplane’s engine by manually rotating the propeller, which resulted in a loss of airplane control.
- [NTSB CEN24LA121](https://openairdocs.org/ntsb/CEN24LA121.md): Piper PA-28-181 · Watertown, SD · Accident · No injuries · Class 3 · Limited · Final report · Feb 25, 2024 · N38696 · Substantial damage
  > The stuck No. 2 cylinder exhaust valve, which resulted in a partial loss of engine power and a forced landing due to an undersized exhaust valve guide. Contributing to the accident were the improper manufacture of the engine cylinders, and the operation of…
- [NTSB CEN24FA095](https://openairdocs.org/ntsb/CEN24FA095.md): Cirrus Design SR22 · Little Rock, AR · Accident · 1 fatal · Class 3 · Field · Final report · Jan 21, 2024 · N255JP · Destroyed
  > The 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 CEN24LA061](https://openairdocs.org/ntsb/CEN24LA061.md): Cessna 421C · McGregor, TX · Accident · No injuries · Class 3 · Limited · Final report · Dec 8, 2023 · N146TJ · Substantial damage
  > The failure of the spring pin in the right propeller governor, which precluded the pilot from controlling the propeller pitch to maintain engine rpm, resulting in a loss of engine thrust, excessive drag, and the subsequent forced landing to a field.
- [NTSB WPR24LA034](https://openairdocs.org/ntsb/WPR24LA034.md): Cessna 310 · Hayden, ID · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 13, 2023 · N86H · Substantial damage
  > The pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack, which resulted in a loss of control and subsequent stall during a precautionary landing. Contributing to the accident was the improper maintenance…
- [NTSB CEN24FA028](https://openairdocs.org/ntsb/CEN24FA028.md): Piper PA46 · McCook, NE · Accident · 1 fatal · Class 3 · Field · Final report · Oct 30, 2023 · N510KC · Substantial damage
  > The pilot exceeded the airplane’s critical angle of attack during the initial climb, resulting in an aerodynamic stall from which he could not recover. Contributing to the accident was the pilot’s decision to take off with the airplane well above its maximum…
- [NTSB CEN23LA404](https://openairdocs.org/ntsb/CEN23LA404.md): Mcdonnell Douglas Helicopter 369E · Arcola, TX · Accident · No injuries · Class 4 · Limited · Final report · Sep 7, 2023 · N8372F · Substantial damage
  > The instructor’s failure to re-apply engine power during a power recovery after a practice autorotation which resulted in a hard landing.
- [NTSB CEN23LA383](https://openairdocs.org/ntsb/CEN23LA383.md): Hiller UH-12A · Mosby, MO · Accident · No injuries · Class 4 · Limited · Final report · Aug 27, 2023 · N8178H · Substantial damage
  > The pilot’s failure to maintain adequate rotor rpm which resulted in a loss of control and impact with terrain.
- [NTSB WPR23LA313](https://openairdocs.org/ntsb/WPR23LA313.md): Bell OH-58A · Guernsey, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 9, 2023 · N861CC · Substantial damage
  > The pilot’s overpitching of the main rotor blades while maneuvering at low altitude in a high-temperature environment at high gross weight, which resulted in a reduction of engine and rotor speed, excessive main rotor blade flapping, mast bumping, and impact…
- [NTSB CEN23FA314](https://openairdocs.org/ntsb/CEN23FA314.md): Piper PA-31P · Kearney, MO · Accident · 1 fatal · Class 3 · Field · Final report · Jul 20, 2023 · N200RA · Destroyed
  > The 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 CEN23FA258](https://openairdocs.org/ntsb/CEN23FA258.md): Cessna 177 · Hot Springs, AR · Accident · 1 fatal · Class 3 · Field · Final report · Jun 26, 2023 · N3138T · Substantial damage
  > The pilot’s improper preflight fuel planning and inflight fuel mismanagement, which resulted in a total loss of engine power due to fuel exhaustion, and his subsequent failure to maintain adequate airspeed during the forced landing, which resulted in the…
- [NTSB ERA23LA205](https://openairdocs.org/ntsb/ERA23LA205.md): Schweizer 269C · Springfield, TN · Accident · No injuries · Class 3 · Limited · Final report · Apr 22, 2023 · N789LH · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB ANC23LA024](https://openairdocs.org/ntsb/ANC23LA024.md): Enstrom F-28C · Anchorage, AK · Accident · No injuries · Class 3 · Limited · Final report · Mar 5, 2023 · N5688R · Substantial damage
  > The pilot’s failure to maintain main rotor rpm on takeoff, which resulted in a forced run-on landing.
- [NTSB ANC23LA023](https://openairdocs.org/ntsb/ANC23LA023.md): Cessna P337H · Kona, HI · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 14, 2023 · N5KR · Substantial damage
  > The failure of the pilot to recognize that the rear engine was not operating during takeoff, which resulted in an attempted single-engine takeoff and the airplane’s subsequent descent and impact with terrain. Contributing to the accident was a loss of rear…
- [NTSB ERA23FA033](https://openairdocs.org/ntsb/ERA23FA033.md): Beech A24 · Keene, NH · Accident · 2 fatal · Class 3 · Field · Final report · Oct 21, 2022 · N8020R · Destroyed
  > Improper 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 WPR22FA197](https://openairdocs.org/ntsb/WPR22FA197.md): Cessna 208B · Oceanside, CA · Accident · 1 fatal · Class 3 · Field · Final report · Jun 3, 2022 · N7581F · Substantial damage
  > The right-seated pilot’s failure to correct the left-seated pilot’s mismanagement of the engine thrust, which resulted in undesired speed and thrust oscillations during the final approach and a subsequent descent into terrain.
- [NTSB ERA22LA150](https://openairdocs.org/ntsb/ERA22LA150.md): Honda Jet HA-420 · Pittsburgh, PA · Accident · No injuries · Class 3 · Limited · Final report · Mar 9, 2022 · N903JT · Substantial damage
  > The flight crew's continuation of an unstable approach, which resulted in a long landing on a contaminated runway. Contributing to the outcome was the captain’s full application of the emergency brake, which resulted in hydroplaning and a runway excursion.
- [NTSB ERA22FA126](https://openairdocs.org/ntsb/ERA22FA126.md): Beech 58 · Lexington, NC · Accident · 1 fatal · Class 3 · Field · Final report · Feb 16, 2022 · N58LF · Destroyed
  > Inadequate 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 ERA22FA105](https://openairdocs.org/ntsb/ERA22FA105.md): Eurocopter Deutschland EC135 P2+ · Drexel Hill, PA · Accident · Serious injuries · Class 3 · Field · Final report · Jan 11, 2022 · N531LN · Substantial damage
  > An inflight attitude upset for undetermined reasons that resulted in a rotor system overspeed, a reduction of power from both engines, and a subsequent hard landing.
- [NTSB CEN21LA294](https://openairdocs.org/ntsb/CEN21LA294.md): Consolidated Aeronautics Lake LA-4-200 · Mio, MI · Accident · No injuries · Class 3 · Limited · Final report · Jun 28, 2021 · N963L · Substantial damage
  > The pilot’s failure to abort the takeoff roll when the engine did not produce full power.
- [NTSB ERA21LA252](https://openairdocs.org/ntsb/ERA21LA252.md): Robinson Helicopter R44 II · Sylva, NC · Accident · No injuries · Class 4 · Limited · Final report · Jun 14, 2021 · N443SH · Substantial damage
  > The pilot’s intentional departure from the procedures published in the manufacturer’s flight training guide, and his subsequent loss of engine rpm, rotor rpm, and aircraft control.
- [NTSB WPR21LA070](https://openairdocs.org/ntsb/WPR21LA070.md): SilverLight AR-1 · Heber City, UT · Accident · 1 fatal · Class 3 · Limited · Final report · Dec 16, 2020 · N261MD · Substantial damage
  > The pilot’s failure to follow the procedures for takeoff in the Pilot Operating Handbook, which resulted in a loss of control and collision with the terrain. Contributing to the accident was the pilot’s failure to receive additional training in the gyroplane.
- [NTSB ERA20LA328](https://openairdocs.org/ntsb/ERA20LA328.md): Rockwell S2R · Hamilton, GA · Accident · No injuries · Class 3 · Limited · Final report · Sep 21, 2020 · N7900V · Substantial damage
  > The pilot’s inadequate preflight planning and improper operation of the engine beyond its indicated maximum cruise power setting, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB WPR20CA313](https://openairdocs.org/ntsb/WPR20CA313.md): Air Tractor AT 402 · Somerton, AZ · Accident · No injuries · Class 4 · Data collection · Final report · Sep 20, 2020 · N45027 · Destroyed
  > The pilot’s failure to use full power during takeoff and his delayed decision to abort the takeoff, which resulted in a runway overrun and subsequent impact with terrain.
- [NTSB CEN20LA261](https://openairdocs.org/ntsb/CEN20LA261.md): Enstrom 280 · Des Moines, IA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 4, 2020 · N282SH · Destroyed
  > The partial loss of rotor and engine speed during approach for landing, which resulted in an autorotation and impact with terrain. The reason for the partial loss of rotor and engine speed could not be determined based on the available evidence. Contributing…
- [NTSB ANC19LA027](https://openairdocs.org/ntsb/ANC19LA027.md): Helio H391 · Hope, AK · Accident · No injuries · Class 3 · Limited · Final report · Jun 12, 2019 · N10CJ · Substantial damage
  > The pilot’s failure to maintain directional control during a precautionary landing, which resulted in a ground loop. Contributing to the accident was a partial loss of engine power for reasons that could not be determined.
- [NTSB CEN19LA152](https://openairdocs.org/ntsb/CEN19LA152.md): Rand Robinson KR2 · Poplar Grove, IL · Accident · Minor injuries · Class 3 · Limited · Final report · May 26, 2019 · N886MJ · Substantial damage
  > The loss of engine power due to vapor lock of the throttle body injection system.
- [NTSB GAA19CA284](https://openairdocs.org/ntsb/GAA19CA284.md): Schweizer 269C · Riverside, CA · Accident · No injuries · Data collection · Final report · May 24, 2019 · N269P · Substantial damage
  > The student pilot's failure to maintain yaw control and the engine's rpm during transition to a hover, which resulted in hard landing.
- [NTSB GAA18CA503](https://openairdocs.org/ntsb/GAA18CA503.md): Champion 8GCBC · Elberta, AL · Accident · Minor injuries · Data collection · Final report · Aug 22, 2018 · N88287 · Substantial damage
  > The pilot's failure to use carburetor heat during a low-power setting approach in conditions conducive to carburetor icing, which resulted in a partial loss of engine power.
- [NTSB GAA18CA058](https://openairdocs.org/ntsb/GAA18CA058.md): Cessna 182 · Black River Falls, WI · Accident · No injuries · Data collection · Final report · Nov 27, 2017 · N8128M · Substantial damage
  > The student pilot’s failure to maintain lateral control of the high-performance airplane during the go-around in crosswind conditions.
- [NTSB GAA17CA560](https://openairdocs.org/ntsb/GAA17CA560.md): Piper J5A · Geneseo, NY · Accident · Minor injuries · Data collection · Final report · Sep 27, 2017 · N38633 · Substantial damage
  > The pilot's failure to properly secure the airplane before a hand propeller start, which resulted in the airplane moving forward and colliding with maintenance equipment.
- [NTSB ERA17LA305](https://openairdocs.org/ntsb/ERA17LA305.md): MD Helicopter 369 · Lawrenceville, GA · Accident · Serious injuries · Limited investigation · Final report · Sep 1, 2017 · N5189K · Substantial damage
  > The pilot's inadequate compensation for wind conditions during the approach to landing, which resulted in a loss of helicopter control due to a loss of tail rotor effectiveness.
- [NTSB CEN17LA271](https://openairdocs.org/ntsb/CEN17LA271.md): Piper PA 32-300 · Rushville, IN · Accident · No injuries · Limited investigation · Final report · Jul 5, 2017 · N112DE · Substantial damage
  > The pilot’s inability to properly control engine power because of an improperly installed throttle control arm, which resulted in a partial loss of engine power and led to a forced landing.
- [NTSB ERA17LA042](https://openairdocs.org/ntsb/ERA17LA042.md): North American Navion · Blairstown, NJ · Accident · 1 fatal · Limited investigation · Final report · Nov 10, 2016 · N8849H · Substantial damage
  > The pilot's improper engine start procedure, which resulted in a loss of control on the ground and collision with a tree.

Next page: https://openairdocs.org/ntsb-findings/01062050/cases.md?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."mKey" IN (SELECT f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '01062050'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01062050/cases

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