# NTSB investigations, MT: Preflight or dispatch event

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 GAA17CA212](https://openairdocs.org/ntsb/GAA17CA212.md): Thomas Craig E Wittman W-10 · Stevensville, MT · Accident · No injuries · Data collection · Final report · Mar 28, 2017 · N13XZ · Substantial damage
  > The pilot’s decision to take off with a known master brake cylinder leak and his subsequent failure to maintain directional control during landing.
- [NTSB WPR11LA289](https://openairdocs.org/ntsb/WPR11LA289.md): Lemond FLY Fisher · West Glacier, MT · Accident · Serious injuries · Limited investigation · Final report · Jun 26, 2011 · N397JL · Substantial damage
  > A total loss of engine power during takeoff due to water contamination in the fuel system. Contributing to the accident was the pilot’s inadequate preflight inspection of the airplane.
- [NTSB WPR10FA438](https://openairdocs.org/ntsb/WPR10FA438.md): Cessna 182C · Belgrade, MT · Accident · 1 fatal · Field investigation · Final report · Aug 30, 2010 · N8957T · Substantial damage
  > The non-instrument rated pilot's decision to continue visual flight into instrument meteorological conditions, which resulted in a loss of airplane control.
- [NTSB WPR10LA180](https://openairdocs.org/ntsb/WPR10LA180.md): Piper PA-22-150 · Terry, MT · Accident · No injuries · Limited investigation · Final report · Mar 25, 2010 · N3351Z · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll in gusting winds. Contributing to the accident was a loss of engine power on final approach due to fuel exhaustion as a result of the pilot having to divert due to deteriorating…

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '030' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/030/sequence?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.