# NTSB investigations: U/A Canada PT6A-27-28, TX

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 CEN25LA176](https://openairdocs.org/ntsb/CEN25LA176.md): Beech C90 · Lancaster, TX · Accident · Serious injuries · Class 4 · Limited · Final report · Apr 28, 2025 · N501MS · Substantial damage
  > The pilot’s improper fuel planning, which resulted in fuel exhaustion and a total loss of power to both engines.
- [NTSB CEN13FA105](https://openairdocs.org/ntsb/CEN13FA105.md): Beech E-90 · Amarillo, TX · Accident · 2 fatal · Field investigation · Final report · Dec 15, 2012 · N67PS · Substantial damage
  > The pilot’s loss of control of the airplane after encountering icing conditions and heavy to extreme turbulence and the subsequent exceedance of the airplane’s design limit, which led to an in-flight breakup.
- [NTSB CEN12FA421](https://openairdocs.org/ntsb/CEN12FA421.md): Beech E90 · Karnack, TX · Accident · 1 fatal · Field investigation · Final report · Jul 7, 2012 · N987GM · Destroyed
  > The pilot's inadvertent flight into thunderstorm activity, which resulted in the loss of airplane control and the subsequent exceedance of the airplane's design limits and in-flight breakup. Contributing to the accident was the failure of air traffic control…
- [NTSB FTW72AF037](https://openairdocs.org/ntsb/FTW72AF037.md): Beech A99A · Houston, TX · Accident · No injuries · Closed · Dec 17, 1971 · N1923T · Substantial 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" = 'TX' 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 ('61504'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=61504&state=TX

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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.