# NTSB investigations: Continental TSIO-520 series, 1994, ND

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 CHI95LA025](https://openairdocs.org/ntsb/CHI95LA025.md): Cessna T210L · Beulah, ND · Accident · Minor injuries · Limited investigation · Final report · Oct 26, 1994 · N526HK · Substantial damage
  > the failure of the pilot to maintain directional control.
- [NTSB CHI94GA093](https://openairdocs.org/ntsb/CHI94GA093.md): Cessna 401A · Minot, ND · Accident · 4 fatal · Final report · Feb 24, 1994 · N4071Q · Destroyed
  > Failure of the pilot to maintain proper altitude during a missed approach. Factors related to the accident were: the unfavorable weather and snow covered terrain.

## 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 year(c."eventDate") = 1994
  AND c."eventStateOrRegion" = 'ND' 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 ('17040'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17040&state=ND&year=1994

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