# NTSB investigations: Engine (turbine/turboprop), general

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 · 67 cases

## Latest cases

- [NTSB DCA25LA185](https://openairdocs.org/ntsb/DCA25LA185.md): Boeing 737 · Houston, TX · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 17, 2025 · N7724A · No damage
  > Serious Injury to a flight attendant sustained during an evacuation.
- [NTSB DCA25LA114](https://openairdocs.org/ntsb/DCA25LA114.md): Airbus Industrie A319 · Houston, TX · Occurrence · No injuries · Class 3 · Limited · Final report · Feb 2, 2025 · N837UA · No damage
  > The failure of the cabin crew to activate the evacuation alarm and to maintain coordinated communication with the flight crew following the cabin crew’s decision to command an evacuation, which resulted in an engine running during the initial evacuation.…
- [NTSB CEN24LA239](https://openairdocs.org/ntsb/CEN24LA239.md): Thrush S2R · Hebron, ND · Accident · No injuries · Class 3 · Limited · Final report · Jun 17, 2024 · N529KC · Substantial damage
  > Foreign object debris in the Negative Torque Sensing (NTS) system check valve, which impeded the flow of oil to the NTS system and the propeller governor (PG) reset piston, resulting in a total loss of engine power and an off-airport forced landing.…
- [NTSB CEN24LA229](https://openairdocs.org/ntsb/CEN24LA229.md): Aero Commander S2R · White, SD · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 13, 2024 · N1746S · Substantial damage
  > A low-level collision and engine ingestion with ducks, which resulted in a total loss of engine power, a forced landing, and a subsequent nose over.
- [NTSB WPR24FA132](https://openairdocs.org/ntsb/WPR24FA132.md): Bell 206-L4 · Anaconda, MT · Accident · 1 fatal · Class 3 · Field · Final report · Apr 26, 2024 · N988B · Destroyed
  > A total loss of engine power due to a loss of cooling oil to the turbine-to-compressor coupling shaft and subsequent fracture of the shaft at an altitude too low for the pilot to complete a successful autorotation. Contributing to the accident was carbon…
- [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 ERA24LA012](https://openairdocs.org/ntsb/ERA24LA012.md): Beech 300 · Atlanta, GA · Accident · No injuries · Class 3 · Limited · Final report · Oct 18, 2023 · N93GA · Substantial damage
  > The pilot’s failure to maintain a proper approach speed, which resulted in a runway overrun. Contributing to the runway overrun were the pilot’s application of full reverse at an airspeed higher than that allowed by the system, which added power and forward…
- [NTSB CEN23LA317](https://openairdocs.org/ntsb/CEN23LA317.md): Grumman G-164A · Patoka, IL · Accident · No injuries · Class 3 · Limited · Final report · Jul 22, 2023 · N9892 · Substantial damage
  > A partial loss of engine power due to the failure of two compressor turbine blades as a result of the engine operating near or above the engine’s operating limits for an undetermined amount of time beyond the recommended engine’s TBO limit, which led to…
- [NTSB CEN23LA147](https://openairdocs.org/ntsb/CEN23LA147.md): Bell OH-58A · Wade, OK · Accident · Minor injuries · Class 4 · Limited · Final report · Mar 29, 2023 · N82851 · Substantial damage
  > The total loss of engine power due to fuel contamination.
- [NTSB CEN22LA349](https://openairdocs.org/ntsb/CEN22LA349.md): Schweizer G-164B · Knox, IN · Accident · No injuries · Class 3 · Limited · Final report · Jul 26, 2022 · N629EH · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB ERA22LA302](https://openairdocs.org/ntsb/ERA22LA302.md): Air Tractor AT-502B · Center Cross, VA · Accident · No injuries · Class 3 · Limited · Final report · Jul 8, 2022 · N50075 · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB CEN22LA228](https://openairdocs.org/ntsb/CEN22LA228.md): Air Tractor AT-602 · Allport, AR · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 1, 2022 · N5007R · Substantial damage
  > A partial loss of engine power due to fuel contamination from foreign object debris. Contributing to the accident was the operator’s failure to follow the manufacturer’s required airframe fuel filter inspection interval.
- [NTSB CEN22FA216](https://openairdocs.org/ntsb/CEN22FA216.md): Express 2000RG · Cheyenne, WY · Accident · 1 fatal · Class 3 · Field · Final report · May 30, 2022 · N44508 · Destroyed
  > The pilot's inability to maintain proper airspeed and his exceedance of the airplane’s critical angle of attack while managing a loss of engine power and inflight fire, which resulted in an aerodynamic stall. Contributing factors to the accident were the loss…
- [NTSB WPR22LA174](https://openairdocs.org/ntsb/WPR22LA174.md): Bell Helicopter Textron Canada 407 · Livermore, CA · Accident · Serious injuries · Class 3 · Limited · Final report · May 11, 2022 · N999GH · Substantial damage
  > Loss of engine power due to the pilot inadvertently selecting engine IDLE mode while in flight, which reduced rotor and engine speed to a level that could not sustain flight.
- [NTSB CEN22LA146](https://openairdocs.org/ntsb/CEN22LA146.md): Hughes 369 · Adair, IA · Accident · Minor injuries · Class 3 · Limited · Final report · Mar 17, 2022 · N500MZ · Substantial damage
  > The mechanic’s failure to properly torque a fuel control unit B-nut, which resulted in a partial loss of engine power, an attempted autorotation, and an impact with terrain.
- [NTSB CEN22LA089](https://openairdocs.org/ntsb/CEN22LA089.md): Lancair IV · Iron Mountain, MI · Accident · Minor injuries · Class 3 · Limited · Final report · Dec 25, 2021 · N994PT · Substantial damage
  > The total loss of engine power after takeoff for undetermined reasons.
- [NTSB WPR21LA299](https://openairdocs.org/ntsb/WPR21LA299.md): Schweizer G-164B · Tracy, CA · Accident · No injuries · Class 3 · Limited · Final report · Jul 30, 2021 · N3629F · Substantial damage
  > A loss of thrust during a low-level agricultural application flight, which resulted in a descent and impact with terrain. The reason for the loss of thrust could not be determined based on available information.
- [NTSB CEN21LA004](https://openairdocs.org/ntsb/CEN21LA004.md): Piper PA46 · Lake Elmo, MN · Accident · Serious injuries · Class 3 · Limited · Final report · Oct 2, 2020 · N62ZM · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB CEN20LA287](https://openairdocs.org/ntsb/CEN20LA287.md): Air Tractor AT 602 · Des Arc, AR · Accident · No injuries · Class 3 · Limited · Final report · Jul 3, 2020 · N8506E · Substantial damage
  > A total loss of engine power for reasons that could not be determined from all available evidence.
- [NTSB ERA20CA135](https://openairdocs.org/ntsb/ERA20CA135.md): AugustaWestland AW119MKII · Philadelphia, PA · Accident · No injuries · Data collection · Final report · Mar 21, 2020 · N982SS · Substantial damage
  > The in-flight failure of the lower left side of the engine cowling due to the mechanic’s improper installation of the fasteners, which resulted in the cowling impacting all four main rotor blades.
- [NTSB CEN20LA006](https://openairdocs.org/ntsb/CEN20LA006.md): Beech 36 · Waukesha, WI · Accident · No injuries · Class 3 · Limited · Final report · Oct 8, 2019 · N396JG · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB CEN19LA318](https://openairdocs.org/ntsb/CEN19LA318.md): Bell 206 · Hill City, SD · Accident · No injuries · Class 3 · Limited · Final report · Sep 12, 2019 · N100CK · Substantial damage
  > A total loss of engine power for undetermined reasons, which resulted in a hard landing.
- [NTSB WPR18FA200](https://openairdocs.org/ntsb/WPR18FA200.md): De Havilland DH112 Venom · Sheboygan, WI · Accident · 1 fatal · Field investigation · Final report · Jul 20, 2018 · N747J · Destroyed
  > The airplane's encounter with wake turbulence from the lead airplane in the formation flight, which resulted in a compressor stall and the airplane's subsequent inability to climb.
- [NTSB CEN18FA259](https://openairdocs.org/ntsb/CEN18FA259.md): Eurocopter Deutschland EC135 P1 · Chicago, IL · Accident · Serious injuries · Field investigation · Final report · Jul 8, 2018 · N312SA · Substantial damage
  > The pilot's inadvertent disabling of the No. 1 and No. 2 engines' electronic engine control systems, which resulted in engine and rotor overspeed conditions, a subsequent autorotation, and a hard landing. Contributing to the accident were the pilot's…
- [NTSB ERA18MA099](https://openairdocs.org/ntsb/ERA18MA099.md): American Eurocopter AS350B2 · New York, NY · Accident · 5 fatal · Class 1 · Major · Final report · Mar 11, 2018 · N350LH · Substantial damage
  > Liberty Helicopters Inc.'s use of a NYONair-provided passenger harness/tether system, which caught on and activated the floor-mounted engine fuel shutoff lever and resulted in the in-flight loss of engine power and the subsequent ditching. Contributing to…
- [NTSB WPR18LA029](https://openairdocs.org/ntsb/WPR18LA029.md): Bell 206 · Rolling Fork, MS · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 7, 2017 · N93PH · Substantial damage
  > An uncommanded yaw and subsequent loss of main rotor rpm for reasons that could not be determined.
- [NTSB ERA17LA326](https://openairdocs.org/ntsb/ERA17LA326.md): Air Tractor AT 502 · Union City, TN · Accident · No injuries · Limited investigation · Final report · Sep 15, 2017 · N4531K · Substantial damage
  > The catastrophic failure of the compressor turbine blades, which resulted in a total loss of engine power. Contributing to the accident was the installation of undocumented, time-limited engine components of indeterminate age.
- [NTSB WPR17LA156](https://openairdocs.org/ntsb/WPR17LA156.md): Simmons Gary F Stol CH 701 · Kenwood, CA · Accident · No injuries · Class 3 · Limited · Final report · Jul 15, 2017 · N422ES · Substantial damage
  > Failure of the flywheel drive assembly, which resulted in a loss of engine power and subsequent forced landing to uneven terrain.
- [NTSB CEN17FA266](https://openairdocs.org/ntsb/CEN17FA266.md): Piper PA31T · Tyler, TX · Accident · 2 fatal · Field investigation · Final report · Jul 13, 2017 · N47GW · Destroyed
  > The loss of engine power and the subsequent pilot's loss of control for reasons that could not be determined because post-accident engine examination revealed no anomalies.
- [NTSB WPR17LA133](https://openairdocs.org/ntsb/WPR17LA133.md): Eurocopter EC 130 B4 · Boulder City, NV · Accident · Minor injuries · Limited investigation · Final report · Jun 27, 2017 · N151GC · Substantial damage
  > A loss of engine power due to the failure of the manufacturer to reinstall the oil filter after it was removed for inspection, which led to coke pollution that obstructed the oil jet and resulted in the subsequent oil starvation of the axial compressor rear…
- [NTSB CEN17LA151](https://openairdocs.org/ntsb/CEN17LA151.md): Grumman Acft ENG Cor-Schweizer G 164A · Nome, TX · Accident · No injuries · Limited investigation · Final report · Apr 8, 2017 · N971QC · Destroyed
  > An in-flight fire for reasons that could not be determined based on available information.
- [NTSB WPR17LA075](https://openairdocs.org/ntsb/WPR17LA075.md): Hughes 369A · (Pacific Ocean) · Accident · Serious injuries · Limited investigation · Final report · Feb 22, 2017 · N805LA · Substantial damage
  > The pilot's failure to detect the presence of water in the helicopter fuel system before the flight, which resulted in a total loss of engine power during cruise. Contributing to the accident was the pilot's delayed recognition of the power loss and late…
- [NTSB WPR17FA024](https://openairdocs.org/ntsb/WPR17FA024.md): Piper PA 31T · Elko, NV · Accident · 4 fatal · Field investigation · Final report · Nov 19, 2016 · N779MF · Destroyed
  > A loss of engine power to the left engine for reasons that could not be determined due to the extensive fire and impact damage to the airplane.
- [NTSB CEN17LA009](https://openairdocs.org/ntsb/CEN17LA009.md): Aero Smart Solutions Lancair Evolution · Iola, KS · Accident · Minor injuries · Limited investigation · Final report · Oct 1, 2016 · N38DM · Substantial damage
  > Water contamination of the fuel due to the pilot’s inadequate preflight inspection, which led to a total loss of engine power. Contributing to the accident was the pilot’s failure to complete the engine-out checklist, which resulted in an excessive loss of…
- [NTSB CEN16LA335](https://openairdocs.org/ntsb/CEN16LA335.md): Cessna U206G · Cave-In-Rock, IL · Accident · Serious injuries · Limited investigation · Final report · Aug 25, 2016 · N891LL · Substantial damage
  > A total loss of engine power due to air entering the fuel system for reasons that could not be determined based on available information. Contributing to the accident was the pilot’s inability to restart the engine due to the check valve assembly design.
- [NTSB ERA16LA082](https://openairdocs.org/ntsb/ERA16LA082.md): Pilatus PC-12 · Savannah, GA · Accident · Minor injuries · Limited investigation · Final report · Jan 6, 2016 · N978AF · Substantial damage
  > The pilots’ failure to follow proper procedures in response to a crew alerting system warning for high engine torque values, which necessitated an off-runway emergency landing during which the airplane sustained substantial damage due to postimpact fire.…
- [NTSB WPR16FA035](https://openairdocs.org/ntsb/WPR16FA035.md): Aero Vodochody L 39C · Apple Valley, CA · Accident · 2 fatal · Field investigation · Final report · Dec 6, 2015 · N39AY · Destroyed
  > A total loss of engine power on takeoff, which resulted from a sudden over-temperature condition due to an improperly adjusted fuel control unit and the deteriorated condition of the fuel nozzles.
- [NTSB CEN15FA034](https://openairdocs.org/ntsb/CEN15FA034.md): Raytheon B200 · Wichita, KS · Accident · 4 fatal · Field investigation · Final report · Oct 30, 2014 · N52SZ · Destroyed
  > The pilot's failure to maintain lateral control of the airplane after a reduction in left engine power and his application of inappropriate rudder input. Contributing to the accident was the pilot's failure to follow the emergency procedures for an engine…
- [NTSB ERA14FA112](https://openairdocs.org/ntsb/ERA14FA112.md): Gulfstream AM Corp Comm Div 690 · Bellevue, TN · Accident · 4 fatal · Field investigation · Final report · Feb 3, 2014 · N840V · Destroyed
  > The pilot's failure to maintain airspeed with one engine inoperative, which resulted in a loss of control while on approach. Contributing to the accident were airframe ice accumulation due to conditions conducive to icing and the loss of engine power on one…
- [NTSB CEN14FA046](https://openairdocs.org/ntsb/CEN14FA046.md): Mitsubishi MU 2B-25 · Owasso, OK · Accident · 1 fatal · Field investigation · Final report · Nov 10, 2013 · N856JT · Destroyed
  > The pilot's loss of airplane control during a known one-engine-inoperative condition. The reasons for the loss of control and engine shutdown could not be determined because the airplane was not equipped with a crash-resistant recorder and postaccident…
- [NTSB CEN13FA491](https://openairdocs.org/ntsb/CEN13FA491.md): Bell 407 · Ship Shoal 208H (Gulf of Mexico) · Accident · Minor injuries · Field investigation · Final report · Aug 13, 2013 · N53LP · Substantial damage
  > The ingestion of vented methane gas into the helicopter’s engine during takeoff, which caused an engine compressor surge that led to a total loss of engine power.
- [NTSB CEN12TA550](https://openairdocs.org/ntsb/CEN12TA550.md): MD Helicopter 369 · Columbus, OH · Accident · No injuries · Final report · Aug 16, 2012 · N551CP · Substantial damage
  > The failure of a 4th-stage turbine blade due to high-cycle fatigue, which resulted in the loss of engine power.
- [NTSB ENG12IA012](https://openairdocs.org/ntsb/ENG12IA012.md): Mcdonnell Douglas MD-10-30F · Portland, OR · Incident · No injuries · Incident investigation · Final report · Feb 13, 2012 · N304FE · Minor damage
  > The fracture of the fan mid shaft due to a stress corrosion cracking initiated by local regions of corrosion pitting, which resulted from oil migration within the shaft and its subsequent degradation.
- [NTSB ERA12FA120](https://openairdocs.org/ntsb/ERA12FA120.md): Cessna 441 · Nashville, PA · Accident · 1 fatal · Field investigation · Final report · Dec 22, 2011 · N48BS · Substantial damage
  > The pilot's failure to maintain minimum control airspeed after a loss of power to the right engine, which resulted in an uncontrollable roll into an inadvertent stall/spin. Contributing to the accident was the failure of the airplane's right engine for…
- [NTSB WPR11LA386](https://openairdocs.org/ntsb/WPR11LA386.md): Air Tractor AT-401 · Hardin, MT · Accident · No injuries · Limited investigation · Final report · Aug 16, 2011 · N1012T · Substantial damage
  > The loss of engine power during takeoff due to the fatigue failure of the turbine wheel blades, which resulted from inadequate maintenance and inspections.
- [NTSB CEN11LA487](https://openairdocs.org/ntsb/CEN11LA487.md): Ayres S2R · Burlington, CO · Accident · No injuries · Limited investigation · Final report · Jul 18, 2011 · N70216 · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB ERA11LA298](https://openairdocs.org/ntsb/ERA11LA298.md): Thrush S2R-T660 · Greenwood, MS · Accident · No injuries · Limited investigation · Final report · May 13, 2011 · N660KP · Substantial damage
  > A partial loss of engine power during low-altitude maneuvering for undetermined reasons.
- [NTSB WPR11FA163](https://openairdocs.org/ntsb/WPR11FA163.md): Sikorsky S-58ET · El Segundo, CA · Accident · Serious injuries · Field investigation · Final report · Mar 13, 2011 · N33602 · Substantial damage
  > A partial loss of engine power and the failure of the external hook to release the load for undetermined reasons.
- [NTSB CEN11LA097](https://openairdocs.org/ntsb/CEN11LA097.md): Piper PA 46-350P · Gulf of Mexico · Accident · No injuries · Limited investigation · Final report · Dec 4, 2010 · N350MM · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB CEN11LA043](https://openairdocs.org/ntsb/CEN11LA043.md): Piper PA46-500TP · Port Mansfield, TX · Accident · No injuries · Limited investigation · Final report · Oct 29, 2010 · N234PM · Substantial damage
  > The total loss of engine power for undetermined reasons because examination of the airframe and engine did not reveal any anomalies that would have contributed to the loss of engine power.

Next page: https://openairdocs.org/ntsb-findings/01057200/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", '01057200'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/01057200/cases

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