# NTSB investigations, PR: Aircraft structural failure

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 ERA22LA123](https://openairdocs.org/ntsb/ERA22LA123.md): Britten-Norman BN-2A-9 · Culebra, PR · Accident · No injuries · Class 3 · Limited · Final report · Feb 15, 2022 · N821RR · Substantial damage
  > The flight crew’s failure to arrest the descent rate during the non-standard approach, which resulted in a hard landing and failure of the right-wing structure. Contributing was the flight instructor’s selection of a challenging approach for initial training.
- [NTSB ERA14MA060](https://openairdocs.org/ntsb/ERA14MA060.md): Fairchild SA227-AC · La Alianza, PR · Accident · 2 fatal · Major investigation · Final report · Dec 3, 2013 · N831BC · Destroyed
  > The flight crew's excessive elevator input during a rapid descent under night lighting conditions, which resulted in the overstress and breakup of the airplane. Contributing to the accident was an initial loss of airplane control for reasons that could not be…
- [NTSB ERA09MA157](https://openairdocs.org/ntsb/ERA09MA157.md): Cessna 206H · Quebradillas, PR · Accident · 6 fatal · Major investigation · Final report · Feb 8, 2009 · N118ME · Destroyed
  > The pilot exceeded the design limits of the airplane, which resulted in an in-flight break up while maneuvering in adverse weather conditions.

## 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" = 'PR' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '337' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/337/sequence?state=PR

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