# 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 CEN12LA242](https://openairdocs.org/ntsb/CEN12LA242.md): Bell 407 · Aberdeen, SD · Accident · Minor injuries · Limited investigation · Final report · Apr 14, 2012 · N509MT · Substantial damage
  > The fatigue failure of two turbine engine blades due to vibration.
- [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 CEN12LA175](https://openairdocs.org/ntsb/CEN12LA175.md): Piper PA-28-161 · Rapid City, SD · Accident · No injuries · Limited investigation · Final report · Feb 24, 2012 · N20GG · Substantial damage
  > The loss of engine power during climb due to carburetor icing. Contributing to the accident was the limited travel of the carburetor heat valve which prevented application of maximum carburetor heat.
- [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 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=SD

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