# NTSB investigations, LA: 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 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 CEN21LA072](https://openairdocs.org/ntsb/CEN21LA072.md): Grumman G164 · Elton, LA · Accident · No injuries · Class 3 · Limited · Final report · Dec 1, 2020 · N48594 · Substantial damage
  > The loss of engine power, which resulted in a forced landing on unsuitable terrain. The reason for the loss of engine power could not be determined based on available evidence.
- [NTSB CEN20LA361](https://openairdocs.org/ntsb/CEN20LA361.md): Cessna R182 · Crowley, LA · Accident · No injuries · Class 3 · Limited · Final report · Aug 24, 2020 · N639RR · Substantial damage
  > The failure of the No. 4 cylinder exhaust valve that resulted in a partial loss of engine power. Based on available evidence, the reason for the failed valve was not determined.
- [NTSB CEN20LA282](https://openairdocs.org/ntsb/CEN20LA282.md): Robinson R22 · Venice, LA · Accident · No injuries · Class 3 · Limited · Final report · Jul 8, 2020 · N7186K · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB CEN20LA286](https://openairdocs.org/ntsb/CEN20LA286.md): Robinson R44 · Welsh, LA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 2, 2020 · N7511D · Substantial damage
  > A partial loss of engine power while in flight due to corrosion of engine components, which resulted in a loss of control and a subsequent impact with terrain.
- [NTSB CEN19LA206](https://openairdocs.org/ntsb/CEN19LA206.md): Cessna 140 · Reeves, LA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 4, 2019 · N3725V · Substantial damage
  > The pilot's failure to secure the oil filler cap, which resulted in oil starvation and a precautionary off-airport landing, during which the airplane was substantially damaged.
- [NTSB CEN19LA130](https://openairdocs.org/ntsb/CEN19LA130.md): Cessna L19 · Milton, LA · Accident · No injuries · Class 3 · Limited · Final report · Mar 21, 2019 · N13FM · Substantial damage
  > A loss of engine power for reasons that could not be determined based on the available information.
- [NTSB CEN18LA281](https://openairdocs.org/ntsb/CEN18LA281.md): Piper PA28 · Shreveport, LA · Accident · No injuries · Limited investigation · Final report · Jul 19, 2018 · N7080F · Substantial damage
  > The partial loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB CEN17LA328](https://openairdocs.org/ntsb/CEN17LA328.md): Beech A36 · Gonzales, LA · Accident · No injuries · Limited investigation · Final report · Aug 17, 2017 · N48TZ · Substantial damage
  > A partial loss of engine power due to inadequate maintenance, including worn spark plugs and a leaking fuel hose fitting.
- [NTSB CEN16LA143](https://openairdocs.org/ntsb/CEN16LA143.md): Cirrus Design SR22 · Alexandria, LA · Accident · No injuries · Limited investigation · Final report · Mar 23, 2016 · N927DS · Substantial damage
  > The partial loss of engine power for reasons that could not be determined based on the available information.
- [NTSB CEN14LA450](https://openairdocs.org/ntsb/CEN14LA450.md): Air Tractor AT-401 · Natchez, LA · Accident · No injuries · Limited investigation · Final report · Aug 24, 2014 · N91968 · Destroyed
  > The loss of power due to the failure of the No. 2 exhaust valve and rocker boss during takeoff.
- [NTSB CEN14FA435](https://openairdocs.org/ntsb/CEN14FA435.md): Cessna 172N · Natchitoches, LA · Accident · 1 fatal · Field investigation · Final report · Aug 17, 2014 · N734YW · Substantial damage
  > The partial loss of engine power due to the exhaust valve rocker retaining stud backing out of the cylinder head, which resulted in the exhaust valve being stuck in the closed position. Contributing to the accident was the pilot’s failure to configure the…
- [NTSB CEN14LA229](https://openairdocs.org/ntsb/CEN14LA229.md): Air Tractor AT 301 · Hessmer, LA · Accident · No injuries · Limited investigation · Final report · May 5, 2014 · N7309Z · Substantial damage
  > A partial loss of engine power for reasons that could not be determined because a full examination of the engine could not be performed.
- [NTSB CEN12LA388](https://openairdocs.org/ntsb/CEN12LA388.md): Cessna A150K · Mamou, LA · Accident · No injuries · Limited investigation · Final report · Jun 23, 2012 · N8380M · Substantial damage
  > The pilot's inadequate preflight inspection, which resulted in a partial loss of engine power due to fuel contamination.
- [NTSB CEN12FA250](https://openairdocs.org/ntsb/CEN12FA250.md): Sikorsky S-76B · Gulf of Mexico, LA · Accident · No injuries · Field investigation · Final report · Apr 17, 2012 · N56RD · Substantial damage
  > The intermittent loss of engine power due to a "stuck" stepper motor in the No. 2 engine's fuel control as a result of an inadequate overhaul. Contributing to the accident was the pilot's decision to continue flying the helicopter with a known defect, his…
- [NTSB CEN11FA292](https://openairdocs.org/ntsb/CEN11FA292.md): Piper PA-22/20 · New Orleans, LA · Accident · Minor injuries · Field investigation · Final report · Apr 16, 2011 · N3621Z · Substantial damage
  > The pilot’s inadequate in-flight fuel management, which resulted in fuel starvation and a total loss of engine power.
- [NTSB CEN11CA062](https://openairdocs.org/ntsb/CEN11CA062.md): Cessna 172 · Pineville, LA · Accident · No injuries · Data collection · Final report · Nov 9, 2010 · N9747L · Substantial damage
  > The pilot/mechanic’s improper inspection of the airplane following the engine installation.
- [NTSB CEN10CA426](https://openairdocs.org/ntsb/CEN10CA426.md): Grumman Acft ENG Cor-Schweizer G-164B · Alexandria, LA · Accident · No injuries · Data collection · Final report · Jul 22, 2010 · N6772Q · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB CEN09LA308](https://openairdocs.org/ntsb/CEN09LA308.md): Cessna 150L · Baton Rouge, LA · Accident · Minor injuries · Limited investigation · Final report · May 21, 2009 · N17214 · Substantial damage
  > The partial loss of engine power due to the instructor pilot's failure to use carburetor heat while operating in conditions conducive to carburetor icing. Contributing to the accident was the instructor pilot's decision to attempt a return to the departure…

## 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" = 'LA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '342')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

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