# NTSB investigations, WY: 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 WPR24FA291](https://openairdocs.org/ntsb/WPR24FA291.md): American Champion 8GCBC · Meeteetse, WY · Accident · 1 fatal · Class 3 · Field · Final report · Sep 1, 2024 · N23BD · Destroyed
  > The pilot’s decision to continue the flight over rising terrain at a low altitude in a high-elevation, high-density-altitude environment.
- [NTSB WPR24LA148](https://openairdocs.org/ntsb/WPR24LA148.md): Kjelsrud Gary Kitfox · Powell, WY · Accident · No injuries · Class 3 · Limited · Final report · May 10, 2024 · N605GK · Substantial damage
  > The pilot’s adjustment of the carburetor to an incorrect setting, which resulted in partial loss of engine power during takeoff.
- [NTSB WPR23LA283](https://openairdocs.org/ntsb/WPR23LA283.md): Beech C35 · Rock Springs, WY · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 20, 2023 · N620D · Substantial damage
  > Maintenance personnel’s failure to properly secure the propeller pitch control rod castellated nut hardware, which resulted in an in-flight failure of the pitch control bearing and subsequent loss of engine RPM and thrust.
- [NTSB WPR23LA016](https://openairdocs.org/ntsb/WPR23LA016.md): Quickie Q2 · Laramie, WY · Accident · No injuries · Class 3 · Limited · Final report · Oct 14, 2022 · C-GDHK · Substantial damage
  > The partial loss of engine power due to the seizure of the No. 1 cylinder exhaust valve in the valve guide.
- [NTSB WPR22LA334](https://openairdocs.org/ntsb/WPR22LA334.md): Buxbaum Mark Edward Long EZ · Medicine Bow, WY · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 5, 2022 · N444MR · Substantial damage
  > A partial loss of engine power due to the fatigue fracture of the No. 4 exhaust valve head.
- [NTSB CEN18LA225](https://openairdocs.org/ntsb/CEN18LA225.md): Rockwell International 112TC · Cheyenne, WY · Accident · No injuries · Limited investigation · Final report · Jun 14, 2018 · N4954W · Substantial damage
  > A loss of engine power for reasons that could not be determined because postaccident examination did not reveal any evidence of preimpact mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB CEN17LA065](https://openairdocs.org/ntsb/CEN17LA065.md): Lueck Kitfox 7 · Cody, WY · Accident · No injuries · Limited investigation · Final report · Dec 23, 2016 · N320RJ · Substantial damage
  > Improper maintenance of the fuel pressure regulator, which resulted in an excessive fuel and airbox pressure differential and subsequent loss of engine power.
- [NTSB CEN15LA407](https://openairdocs.org/ntsb/CEN15LA407.md): Alon A2 · Laramie, WY · Accident · Serious injuries · Limited investigation · Final report · Sep 11, 2015 · N6359V · Substantial damage
  > The pilot’s failure to use carburetor heat in cruise flight while operating in an area conducive to serious carburetor icing, which resulted in a loss of engine power and an off-airport landing. Contributing to the accident was the pilot's decision to…
- [NTSB CEN15LA387](https://openairdocs.org/ntsb/CEN15LA387.md): Robinson R44 II · Cheyenne, WY · Accident · Serious injuries · Limited investigation · Final report · Aug 28, 2015 · N440SA · Substantial damage
  > The pilot's improper preflight performance planning, which resulted in a hard landing due to low rotor rpm while operating near maximum gross weight in high density altitude conditions.
- [NTSB CEN15LA284](https://openairdocs.org/ntsb/CEN15LA284.md): Cessna TR182 · Casper, WY · Accident · Serious injuries · Limited investigation · Final report · Jun 27, 2015 · N4751S · Substantial damage
  > The improper repair of the carburetor heat cable sheath to clamp joint, which prevented the proper operation of the carburetor heat and resulted in the loss of engine power.
- [NTSB WPR15LA058](https://openairdocs.org/ntsb/WPR15LA058.md): Mcholland Glastar · Sheridan, WY · Accident · No injuries · Limited investigation · Final report · Dec 10, 2014 · N16XP · Substantial damage
  > A loss of engine power while maneuvering at low altitude for reasons that could not be determined during postaccident examination.
- [NTSB WPR13LA230](https://openairdocs.org/ntsb/WPR13LA230.md): Cessna T188C · Pine Bluffs, WY · Accident · No injuries · Limited investigation · Final report · May 15, 2013 · N2167J · Substantial damage
  > The loss of engine power during takeoff for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR11LA463](https://openairdocs.org/ntsb/WPR11LA463.md): Cessna 177 · Rock Springs, WY · Accident · No injuries · Limited investigation · Final report · Sep 23, 2011 · N3152T · Substantial damage
  > The pilot did not lean the fuel mixture prior to takeoff, which resulted in the engine's inability to attain sufficient power due to the rich mixture, and his inadequate preflight planning.
- [NTSB WPR11LA253](https://openairdocs.org/ntsb/WPR11LA253.md): Cessna A188B · Pine Bluffs, WY · Accident · No injuries · Limited investigation · Final report · Jun 2, 2011 · N9496G · Substantial damage
  > A partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination did not reveal any mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB WPR10LA376](https://openairdocs.org/ntsb/WPR10LA376.md): Cessna 177 · Rawlins, WY · Accident · No injuries · Limited investigation · Final report · Jul 31, 2010 · N35296 · Substantial damage
  > The pilot's inadequate preflight planning, failure to properly use the takeoff checklist, and failure to lean the fuel mixture, which resulted in the airplane’s inability to attain sufficient airspeed due to the rich fuel mixture.

## 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" = 'WY' 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=WY

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