# NTSB investigations: U/A Canada PT6A series, CA

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 LAX92FA149](https://openairdocs.org/ntsb/LAX92FA149.md): Ayres S2R-T34 · Bakersfield, CA · Accident · Serious injuries · Field investigation · Final report · Mar 23, 1992 · N59SK · Destroyed
  > A catastrophic wing spar failure precipitated by hidden corrosion and the restricted view of the area of corrosion by the airplane's wing structure.
- [NTSB LAX90LA036](https://openairdocs.org/ntsb/LAX90LA036.md): Piper PA-31-350 · Ontario, CA · Accident · No injuries · Limited investigation · Final report · Oct 25, 1989 · N4098A · 2 aircraft · Substantial damage
  > Improper use of the brakes by the pilot of the Piper PA-31.

## 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" = 'CA' 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 ('61508'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=61508&state=CA

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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.