# NTSB investigations, SD: Not determined, general

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 CEN22LA313](https://openairdocs.org/ntsb/CEN22LA313.md): Piper PA-24-260 · Rapid City, SD · Accident · No injuries · Class 3 · Limited · Final report · Jul 11, 2022 · N478WT · Substantial damage
  > A total loss of engine power for reasons that could not be determined because the airplane was unavailable for examination.
- [NTSB CEN20LA215](https://openairdocs.org/ntsb/CEN20LA215.md): Mitsubishi MU2B · Sioux Falls, SD · Accident · 1 fatal · Class 3 · Limited · Final report · Jun 7, 2020 · N44MX · Destroyed
  > The pilot’s failure to maintain control of the airplane during takeoff for reasons that could not be determined.
- [NTSB CEN19FA307](https://openairdocs.org/ntsb/CEN19FA307.md): Cessna 140 · Lakeview, SD · Accident · 2 fatal · Class 3 · Field · Final report · Sep 8, 2019 · N73000 · Substantial damage
  > The student pilot’s failure to maintain control of the airplane, which resulted in the exceedance of the airplane’s critical angle-of-attack, an aerodynamic stall, and subsequent impact with terrain, and the student pilot’s non-compliance and lack of…
- [NTSB CEN19LA241](https://openairdocs.org/ntsb/CEN19LA241.md): Stoddard-Hamilton GlaStar · Mitchell, SD · Accident · No injuries · Class 3 · Limited · Final report · Jul 26, 2019 · N98PW · Substantial damage
  > A loss of directional control on landing for undetermined reasons.
- [NTSB CEN17LA265](https://openairdocs.org/ntsb/CEN17LA265.md): Cubcrafters CC11-160 · Milesville, SD · Accident · Minor injuries · Limited investigation · Final report · Jul 9, 2017 · N111JW · Substantial damage
  > Fuel starvation and a subsequent loss of engine power for reasons that could not be determined because a postaccident examination and a test run of the engine did not reveal any anomalies. Contributing to the accident was the pilot’s failure to maintain…
- [NTSB CEN17FA132](https://openairdocs.org/ntsb/CEN17FA132.md): Cessna 210B · Opal, SD · Accident · 1 fatal · Field investigation · Final report · Mar 16, 2017 · N9581X · Destroyed
  > The pilot's loss of airplane control for reasons that could not be determined due to a lack of evidence.
- [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 CEN13LA375](https://openairdocs.org/ntsb/CEN13LA375.md): Air Tractor AT-301 · Colome, SD · Accident · No injuries · Limited investigation · Final report · Jun 26, 2013 · N3168X · Substantial damage
  > The loss of engine power for reasons that could not be determined because a postaccident engine run revealed no anomalies that would have precluded normal operation.
- [NTSB CEN13LA367](https://openairdocs.org/ntsb/CEN13LA367.md): Piper PA-28-140 · De Smet, SD · Accident · No injuries · Limited investigation · Final report · Jun 21, 2013 · N589FL · Substantial damage
  > A loss of engine power for reasons that could not be determined because postaccident examinations of the airplane and engine revealed no mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB CEN12LA283](https://openairdocs.org/ntsb/CEN12LA283.md): Beech 58 · Sioux Falls, SD · Accident · No injuries · Limited investigation · Final report · Apr 24, 2012 · N8121R · Substantial damage
  > The failure of the normal and emergency landing gear system to fully retract or extend the landing gear for reasons that could not be determined during postaccident examinations, which resulted in a partial gear-up landing.
- [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 CEN11LA581](https://openairdocs.org/ntsb/CEN11LA581.md): Piper PA-25-235 · Whitewood, SD · Accident · 1 fatal · Limited investigation · Final report · Aug 20, 2011 · N7051Z · Substantial damage
  > The pilot's collision with terrain for undetermined reasons.
- [NTSB CEN11LA452](https://openairdocs.org/ntsb/CEN11LA452.md): Cessna A188A · Estelline, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 28, 2011 · N1588M · Substantial damage
  > The pilot’s failure to maintain control of the airplane during takeoff for undetermined reasons because the pilot did not recall the accident.
- [NTSB CEN09LA523](https://openairdocs.org/ntsb/CEN09LA523.md): From Here To There PDQ RV-8 · Tea, SD · Accident · 2 fatal · Limited investigation · Final report · Aug 16, 2009 · N98AW · Substantial damage
  > The pilot's failure to maintain control of the airplane during recovery from an aerobatic maneuver.
- [NTSB CHI08CA111](https://openairdocs.org/ntsb/CHI08CA111.md): Veldhuizen Highlander · Onida, SD · Accident · No injuries · Data collection · Final report · Apr 18, 2008 · N8888V · Substantial damage
  > The separation of the right main wheel from the landing gear during takeoff for an undetermined reason.. Contributing to the accident were rough/uneven terrain and that directional control was not possible.

## 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 f.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_findings.parquet' f WHERE starts_with(f."findingCode", '05000000'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-findings/05000000/cases?state=SD

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.