# NTSB investigations, SD: Sys/Comp malf/fail (non-power)

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 CEN18LA164](https://openairdocs.org/ntsb/CEN18LA164.md): Beech 1900C · Sioux Falls, SD · Accident · No injuries · Limited investigation · Final report · Apr 30, 2018 · N172GA · Substantial damage
  > Failure of the right main landing gear drag brace bolt for reasons that could not be determined based on the available information.
- [NTSB CEN12LA557](https://openairdocs.org/ntsb/CEN12LA557.md): Bell 47G-2 · Flandreau, SD · Accident · No injuries · Limited investigation · Final report · Aug 14, 2012 · N444EH · Substantial damage
  > A malfunction of the helicopter’s throttle system, which resulted in a loss of engine power during cruise flight.
- [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 CHI08CA245](https://openairdocs.org/ntsb/CHI08CA245.md): Air Tractor 301 · Herreid, SD · Accident · No injuries · Data collection · Final report · Aug 5, 2008 · N3161A · Substantial damage
  > Failure of one of the tailwheel bolts on landing and the pilot's subsequent inability to maintain directional control.
- [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 e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '330')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/330/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.