# NTSB investigations: Wright R-1820 series, CO

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 FTW95FA278](https://openairdocs.org/ntsb/FTW95FA278.md): North American T-28B · Ramah, CO · Accident · 2 fatal · Field investigation · Final report · Jul 9, 1995 · N28TP · Destroyed
  > The aircrew allowed the airplane's design stress limits to be exceeded.
- [NTSB DEN83FA058](https://openairdocs.org/ntsb/DEN83FA058.md): North American T-28A · N. Winter Park, CO · Accident · 1 fatal · Field investigation · Final report · Feb 12, 1983 · N28TW · Destroyed
  > According to the surviving passenger (the plt's 15 yr old son), they saw some skiers after crossing over a mountain pass. He stated that as they turned, his father said, 'let's buzz them.' He reported that they turned sharply, 'sort of dove down to buzz…

## 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" = 'CO' 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 ('67020'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=67020&state=CO

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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.