# NTSB investigations: Continental IO-550 series, 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 WPR11CA406](https://openairdocs.org/ntsb/WPR11CA406.md): Cessna A185F · Polson, MT · Accident · No injuries · Data collection · Final report · Aug 21, 2011 · N61609 · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [NTSB LAX08CA173](https://openairdocs.org/ntsb/LAX08CA173.md): Beech A36 · Ryegate, MT · Accident · Minor injuries · Data collection · Final report · Jun 26, 2008 · N824C · Substantial damage
  > The pilot's failure to abort the takeoff when the ground roll acceleration profile was determined to be insufficient for takeoff. Contributing to the accident was the shifting wind conditions.
- [NTSB SEA05FA023](https://openairdocs.org/ntsb/SEA05FA023.md): Cirrus Design SR22 · Belgrade, MT · Accident · 3 fatal · Field investigation · Final report · Dec 4, 2004 · N1159C · Destroyed
  > The pilot's failure to maintain altitude/clearance while maneuvering in mountainous terrain, which resulted in an inflight collision with trees and terrain. Contributing factors were the mountainous terrain and the downdraft.

## 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 ('17042'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17042&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.