# NTSB investigations, UT: Loss of engine power (partial)

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.

## Latest cases

- [NTSB WPR26LA132](https://openairdocs.org/ntsb/WPR26LA132.md): Piper PA-28-140 · West Valley City, UT · Accident · No injuries · Class 3 · Limited · Preliminary report · Mar 21, 2026 · N7328J · Substantial damage
  > On March 21, 2026, about 1610 mountain daylight time, a Piper PA-28-140, N7328J, was substantially damaged when it was involved in an accident near West Valley City, Utah. The pilot and passenger were not injured. The airplane was operated as a Title 14 Code…
- [NTSB WPR24LA178](https://openairdocs.org/ntsb/WPR24LA178.md): Piper PA-28-180 · Nephi, UT · Accident · Minor injuries · Class 4 · Limited · Final report · May 31, 2024 · N7838W · Substantial damage
  > The pilot’s incorrect movement of the fuel selector valve to an off or restricted position, which resulted in fuel starvation and a loss of engine power.
- [NTSB WPR23LA278](https://openairdocs.org/ntsb/WPR23LA278.md): Aerospatiale AS-355E Twin Star · Farmington, UT · Accident · No injuries · Class 3 · Limited · Final report · Jul 19, 2023 · N102UM · Substantial damage
  > The premature failure of one of the No. 2 engine compressor bleed valve, which resulted in a partial loss of power to that engine.
- [NTSB WPR22LA363](https://openairdocs.org/ntsb/WPR22LA363.md): Robinson Helicopter R44 · Cedar City, UT · Accident · No injuries · Class 3 · Limited · Final report · Sep 30, 2022 · N297SU · Substantial damage
  > A partial loss of engine power due to a damaged cylinder intake valve and subsequent collision with terrain during an autorotation.
- [NTSB WPR22LA211](https://openairdocs.org/ntsb/WPR22LA211.md): Rans S21 · Fairfield, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 9, 2022 · N46JH · Substantial damage
  > The owner’s (pilot) failure to properly torque a fuel filter b-nut fitting, which likely introduced air into the fuel system and resulted in a loss of engine power. Contributing to the loss of power was a missing restricted bypass line and a header tank vent…
- [NTSB WPR22LA080](https://openairdocs.org/ntsb/WPR22LA080.md): Walter Tachiki Tachiki 750 Cruzer · Spanish Fork, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Jan 14, 2022 · N145WT · Substantial damage
  > A partial loss of engine power due to an obstructed catalytic converter, which most likely resulted from the pilot’s failure to properly repair or replace it after it was likely damaged during a previous incident. Contributing to the accident was the pilot’s…
- [NTSB WPR21LA078](https://openairdocs.org/ntsb/WPR21LA078.md): Cessna P210N · Moab, UT · Accident · No injuries · Class 3 · Limited · Final report · Jan 2, 2021 · N833RT · Substantial damage
  > The pilot’s improper application of full throttle during takeoff, which resulted in loss of engine power due to an excessive fuel flow and overly rich fuel mixture.
- [NTSB WPR20LA258](https://openairdocs.org/ntsb/WPR20LA258.md): Cessna T210 · Hanna, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 7, 2020 · N761RG · Substantial damage
  > The pilot’s failure to maintain sufficient airspeed after a partial loss of power for undetermined reasons, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall from which the pilot could not recover.
- [NTSB WPR20LA145](https://openairdocs.org/ntsb/WPR20LA145.md): Czech Sport Sport Cruiser · Logan, UT · Accident · No injuries · Class 3 · Limited · Final report · Apr 22, 2020 · N802PS · Substantial damage
  > A partial loss of engine power during takeoff due to vapor lock.
- [NTSB WPR19LA195](https://openairdocs.org/ntsb/WPR19LA195.md): Cessna T210 · Hurricane, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Jul 15, 2019 · N6330N · Substantial damage
  > Maintenance personnel's improper installation of a throttle cable to the throttle body arm, which resulted in a throttle detachment during takeoff and subsequent loss of power. Contributing to the accident was the inadequate inspection of the throttle…
- [NTSB WPR19LA065](https://openairdocs.org/ntsb/WPR19LA065.md): Piper PA28 · Salt Lake City, UT · Accident · No injuries · Class 3 · Limited · Final report · Jan 15, 2019 · N1697J · Substantial damage
  > A partial loss of engine power due to the mechanic’s failure to properly secure the throttle lever locking nut and cotter pin.
- [NTSB WPR18LA136](https://openairdocs.org/ntsb/WPR18LA136.md): Cessna 182F · Boulder, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Apr 28, 2018 · N3377U · Substantial damage
  > A partial loss of engine power for reasons that could not be determined due to the available evidence.
- [NTSB WPR18LA102](https://openairdocs.org/ntsb/WPR18LA102.md): Macdonald Craig MAC CUB · Ogden, UT · Accident · No injuries · Class 3 · Limited · Final report · Mar 5, 2018 · N669WH · Substantial damage
  > The pilot’s failure to use carburetor heat during the flight, which resulted in a partial loss of engine power due to carburetor icing.
- [NTSB WPR18LA009](https://openairdocs.org/ntsb/WPR18LA009.md): Barber Warren D Turbine Cubs P A 18 · Skull Valley, UT · Accident · No injuries · Limited investigation · Final report · Oct 15, 2017 · N181TJ · Substantial damage
  > The activation of the wheel brakes during landing, which resulted in a nose-over. The reason for the wheel brake activation could not be determined.
- [NTSB WPR17LA187](https://openairdocs.org/ntsb/WPR17LA187.md): Cessna 310I · Salt Lake City, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 24, 2017 · N8170M · Substantial damage
  > A loss of engine power for reasons that could not be determined based on the available information.
- [NTSB WPR14LA336](https://openairdocs.org/ntsb/WPR14LA336.md): Piper PA 32R-300 · West Jordan, UT · Accident · Serious injuries · Limited investigation · Final report · Aug 10, 2014 · N4646F · Destroyed
  > A partial loss of engine power during initial climb for reasons that could not be determined due to the severity of the damage to the engine.
- [NTSB WPR14LA118](https://openairdocs.org/ntsb/WPR14LA118.md): Cessna P210N · Bountiful, UT · Accident · No injuries · Limited investigation · Final report · Feb 23, 2014 · N18DP · Substantial damage
  > Fuel starvation due to the in-flight loosening of the fuel lines attached to the fuel flow indicator as a result of inadequate maintenance.
- [NTSB WPR13LA108](https://openairdocs.org/ntsb/WPR13LA108.md): Cessna 175B · Wellsville, UT · Accident · No injuries · Limited investigation · Final report · Feb 2, 2013 · N8125T · Substantial damage
  > A loss of engine power during cruise flight due to carburetor ice.
- [NTSB WPR11LA362](https://openairdocs.org/ntsb/WPR11LA362.md): Cessna 172S · Syracuse, UT · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 2011 · N235GW · Substantial damage
  > The failure of the maintenance technicians who installed the engine to properly tighten the fuel injection servo to a spider supply line, which caused a loss of engine power due to fuel starvation.
- [NTSB WPR11FA147](https://openairdocs.org/ntsb/WPR11FA147.md): Neefjes Lancair 360 MK-II · Milford, UT · Accident · 1 fatal · Field investigation · Final report · Feb 27, 2011 · N989TT · Substantial damage
  > The pilot's loss of control of the airplane due to spatial disorientation after inadvertently entering instrument meteorological conditions. Contributing to the accident were the pilot's inadequate preflight preparation, his en route decision-making, and his…
- [NTSB WPR10CA337](https://openairdocs.org/ntsb/WPR10CA337.md): Cessna 150M · Neola, UT · Accident · Minor injuries · Data collection · Final report · Jul 3, 2010 · N3143V · Substantial damage
  > A partial loss of engine power for undetermined reasons and the pilot's failure to maintain clearance from a power line.
- [NTSB WPR10LA310](https://openairdocs.org/ntsb/WPR10LA310.md): Rice KR-2 · Richfield, UT · Accident · Serious injuries · Limited investigation · Final report · Jun 23, 2010 · N44729 · Substantial damage
  > A loss of engine power during initial climb due to a carburetor malfunction.
- [NTSB WPR10LA302](https://openairdocs.org/ntsb/WPR10LA302.md): Piper PA-28-140 · Richfield, UT · Accident · No injuries · Limited investigation · Final report · Jun 4, 2010 · N3922K · Substantial damage
  > The pilot’s decision to operate the unairworthy airplane with suspected performance deficiencies in a high density altitude and the subsequent partial loss of engine power due to low compression.
- [NTSB WPR09CA303](https://openairdocs.org/ntsb/WPR09CA303.md): Cessna A188B · Ogden, UT · Accident · No injuries · Data collection · Final report · Jun 20, 2009 · N731GE · Substantial damage
  > A partial loss of engine power due to the number one cylinder air induction tube becoming disconnected for undetermined reasons.
- [NTSB WPR09LA085](https://openairdocs.org/ntsb/WPR09LA085.md): Air Tractor AT-301 · Beaver, UT · Accident · Minor injuries · Limited investigation · Final report · Jan 15, 2009 · N3170C · Substantial damage
  > A loss of engine power while maneuvering due to a sheared propeller blade's pitch change link. Contributing to the accident was lack of suitable terrain for the forced landing.
- [NTSB LAX08LA240](https://openairdocs.org/ntsb/LAX08LA240.md): Cessna 172M · Bountiful, UT · Accident · Minor injuries · Limited investigation · Final report · Jul 22, 2008 · N7672 · Substantial damage
  > A partial loss of engine power for undetermined reasons.
- [NTSB LAX08LA179](https://openairdocs.org/ntsb/LAX08LA179.md): Cessna 172S · Beaver, UT · Accident · Serious injuries · Limited investigation · Final report · Jun 12, 2008 · N233GW · Substantial damage
  > The pilot's failure to attain and maintain an adequate airspeed during the initial climb as a result of his inadequate preflight planning and improper use of the mixture control. Contributing to the accident were the tailwind and high density altitude.

## 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."eventStateOrRegion" = 'UT' AND c."eventCountry" = 'USA'
  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
```

This list as a web page: https://openairdocs.org/ntsb-events/342/sequence?state=UT

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