# NTSB investigations, SD: 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 CEN24LA341](https://openairdocs.org/ntsb/CEN24LA341.md): Taylorcraft BC12-D · Trojan, SD · Accident · No injuries · Class 3 · Limited · Final report · Sep 7, 2024 · N95078 · Substantial damage
  > The partial loss of engine power due to a loose magneto and subsequent impact with terrain.
- [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 CEN18LA329](https://openairdocs.org/ntsb/CEN18LA329.md): Cessna 150 · Madison, SD · Accident · No injuries · Limited investigation · Final report · Aug 14, 2018 · N6341K · Substantial damage
  > A stuck No. 3 cylinder exhaust valve, which resulted in failure of the associated rocker arm, a partial loss of engine power, and the subsequent forced landing into tall vegetation.
- [NTSB CEN16LA275](https://openairdocs.org/ntsb/CEN16LA275.md): Meyers 200 · Huron, SD · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 20, 2016 · N229RS · Substantial damage
  > The partial loss of engine power due an unsecured throttle cable. The reason for the unsecured throttle cable could not be determined.
- [NTSB CEN12LA580](https://openairdocs.org/ntsb/CEN12LA580.md): Cessna 140 · Spearfish, SD · Accident · No injuries · Limited investigation · Final report · Aug 25, 2012 · N140XX · Substantial damage
  > The partial loss of engine power due to debris lodged beneath the throttle body of the carburetor venturi.
- [NTSB CEN12LA357](https://openairdocs.org/ntsb/CEN12LA357.md): Rockwell International S-2R · Howard, SD · Accident · No injuries · Limited investigation · Final report · May 23, 2012 · N8421V · Substantial damage
  > A fractured fabricated aluminum oil line, which resulted in oil exhaustion followed by a forced landing.
- [NTSB CEN12LA230](https://openairdocs.org/ntsb/CEN12LA230.md): Robinson Helicopter R22 Beta · Isabel, SD · Accident · Serious injuries · Limited investigation · Final report · Apr 5, 2012 · N104MH · Substantial damage
  > The partial loss of engine power due to carburetor ice.
- [NTSB CEN12LA103](https://openairdocs.org/ntsb/CEN12LA103.md): Beech C23 · Watertown, SD · Accident · No injuries · Limited investigation · Final report · Dec 9, 2011 · N6717K · Substantial damage
  > A total loss of engine power during initial climb for undetermined reasons.
- [NTSB CEN10LA429](https://openairdocs.org/ntsb/CEN10LA429.md): Warth Dennis J Classic Sport S-18 · Tea, SD · Accident · 1 fatal · Limited investigation · Final report · Jul 24, 2010 · N216TB · Substantial damage
  > A loss of engine power for undetermined reasons and the pilot's loss of airplane control, which led to an aerodynamic stall.
- [NTSB CEN10CA305](https://openairdocs.org/ntsb/CEN10CA305.md): Cessna 337 · Custer, SD · Accident · No injuries · Data collection · Final report · Jun 5, 2010 · N2267X · Substantial damage
  > A partial loss of engine power due to fuel starvation as a result of the pilot's inadequate fuel mismanagement.

## 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" = 'SD' 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=SD

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