# NTSB investigations: Continental GTSIO-520-C, MT

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 WPR21LA285](https://openairdocs.org/ntsb/WPR21LA285.md): Cessna T210 · Missoula, MT · Accident · No injuries · Class 4 · Limited · Final report · Jul 9, 2021 · N6856R · Substantial damage
  > The pilot's failure to extend the landing gear during landing. Contributing to the accident was the pilot’s failure to use a pre-landing checklist.
- [NTSB DEN82FA056](https://openairdocs.org/ntsb/DEN82FA056.md): Cessna 320F · Missoula, MT · Accident · 3 fatal · Field investigation · Final report · Apr 7, 1982 · N999LS · Destroyed
  > During arrival for an ILS-2 approach to runway 11, the pilot was advised to hold at the kona NDB while snowplows finished clearing the runway. At that time, the Missoula weather was 1200 ft obscured, 2 mi visibility with light snow and fog, temperature and…
- [NTSB SEA68I0070](https://openairdocs.org/ntsb/SEA68I0070.md): Cessna 402 · Libby, MT · Incident · No injuries · Closed · Jun 3, 1968 · N4046Q · Minor 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" = 'MT' 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 ('17035'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17035&state=MT

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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.