# NTSB investigations: Allstar PZL Glider SZD-54-2 PERKOZ

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 WPR13FA300](https://openairdocs.org/ntsb/WPR13FA300.md): Allstar PZL Glider SZD-54-2 Perkoz · Jacumba, CA · Accident · 2 fatal · Field investigation · Final report · Jun 29, 2013 · N684SD · Substantial damage
  > The premature release of the towline from the glider and the glider’s subsequent right banking turn at low altitude for reasons that could not be determined because postaccident airframe examination did not reveal any evidence of a mechanical malfunction or…

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('05630UR'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=05630UR

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