# NTSB investigations: Lycoming T53-L-13, 2021

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 CEN21LA212](https://openairdocs.org/ntsb/CEN21LA212.md): Richards Heavylift Helo UH-1H · Norris City, IL · Accident · No injuries · Class 4 · Limited · Final report · May 10, 2021 · N567VF · Substantial damage
  > The pilot’s improper positioning of the helicopter on the landing pad, and his failure to monitor and control the helicopter as fuel and chemical product were loaded, which led to the helicopter tipping and sliding off the landing pad, and subsequently…
- [NTSB GAA21WA103](https://openairdocs.org/ntsb/GAA21WA103.md): Precision Helicopters UH-1H · Rayón, Mexico · Accident · No injuries · Class 5 · Foreign · May 2, 2021 · N1206G · 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 year(c."eventDate") = 2021
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41551'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41551&year=2021

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