# NTSB investigations: Amateur-built UNKNOWN ENG, SD

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 CEN16FA344](https://openairdocs.org/ntsb/CEN16FA344.md): Aves Douglas James RV 6 · Viborg, SD · Accident · 2 fatal · Field investigation · Final report · Sep 2, 2016 · N676DT · Destroyed
  > The pilot's failure to maintain airplane control, which resulted in the airplane exceeding its critical angle of attack, an aerodynamic stall, and subsequent flat spin into terrain.
- [NTSB CEN13LA220](https://openairdocs.org/ntsb/CEN13LA220.md): Walker Phil RV-6A · Spearfish, SD · Accident · Minor injuries · Limited investigation · Final report · Apr 4, 2013 · N525PW · Substantial damage
  > The coil-distributor wire loosening in flight, which rendered the ignition system inoperative and subsequently caused the loss of engine power.
- [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 CEN09CA519](https://openairdocs.org/ntsb/CEN09CA519.md): Cessna 182A · Watertown, SD · Accident · No injuries · Data collection · Final report · Jul 31, 2009 · N2131G · Substantial damage
  > A loss of engine power due to fuel exhaustion as a result of a fuel tank leak. Contributing to the accident was the reported malfunction of the fuel gauge.
- [NTSB CEN09CA026](https://openairdocs.org/ntsb/CEN09CA026.md): Holland Rotorway 162F · Rutland, SD · Accident · Minor injuries · Data collection · Final report · Oct 10, 2008 · N162NJ · Substantial damage
  > The loss of torque due to a failure of a transmission drivebelt and the pilot's delayed landing flare during the autorotation. Contributing to the accident was the dusk light condition and the corn crop.
- [NTSB DEN81FTK16](https://openairdocs.org/ntsb/DEN81FTK16.md): Grum-Amer AA-5B · Custer, SD · Accident · No injuries · Closed · Jul 28, 1981 · N81272 · Substantial damage

## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('99999'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=99999&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.