# NTSB investigations: Diamond AE50R, 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 WPR26LA158](https://openairdocs.org/ntsb/WPR26LA158.md): Alexander Schleicher ASH 31 MI · Williams, CA · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Apr 13, 2026 · N77UK · Substantial damage
  > On April 13, 2026, about 1051 Pacific standard time, an experimental Alexander Schleicher GMBH and Co., Ash 31 Mi Glider, N77UK, was substantially damaged when it was involved in an accident near Williams, California. The pilot sustained minor injuries. The…
- [NTSB WPR23LA245](https://openairdocs.org/ntsb/WPR23LA245.md): Schleicher Alexander ASH 26 E · Williams, CA · Accident · No injuries · Class 4 · Limited · Final report · Jun 26, 2023 · N26DX · Substantial damage
  > The pilot’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight, which resulted in a collision with terrain.

## 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 ('21100'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=21100&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.