# NTSB investigations: Lycoming O-320-A2B, 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 WPR17LA080](https://openairdocs.org/ntsb/WPR17LA080.md): Maxcy Christopher L Stol King · Bozeman, MT · Accident · No injuries · Limited investigation · Final report · Mar 22, 2017 · N268CR · Substantial damage
  > The pilot's failure to maintain directional control during landing.
- [NTSB WPR14CA157](https://openairdocs.org/ntsb/WPR14CA157.md): Robert A Miller Murphy Rebel Elite · Roundup, MT · Accident · No injuries · Data collection · Final report · Apr 2, 2014 · N3552J · Substantial damage
  > The pilot's loss of directional control while landing.
- [NTSB SEA99LA118](https://openairdocs.org/ntsb/SEA99LA118.md): Piper PA-18-150 · Opheim, MT · Accident · 1 fatal · Limited investigation · Final report · Jul 14, 1999 · N4385Z · Substantial damage
  > The pilot's failure to maintain an airspeed above stall speed (Vs), resulting in a stall/mush into the terrain during a course reversal at the end of an aerial application run. Factors include hilly terrain and high density altitude.

## 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 ('42101'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=42101&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.