# Ongoing NTSB investigations: Dynamic rollover

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 ERA26LA274](https://openairdocs.org/ntsb/ERA26LA274.md): Robinson R22 · Monroe, NC · Accident · No injuries · Class 4 · Limited · Investigation open · Jul 14, 2026 · N30CH · Substantial damage
- [NTSB ANC26LA051](https://openairdocs.org/ntsb/ANC26LA051.md): Robinson R44 · Pembroke Pines, FL · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Jun 13, 2026 · N336SG · Substantial damage
  > On June 13, 2026, about 1318 eastern daylight time, a Robinson R44 Raven I helicopter, N336SG, was substantially damaged when it was involved in an accident at the North Perry Airport (HWO), Hollywood, Florida. The pilot and three passengers sustained minor…
- [NTSB CEN26LA061](https://openairdocs.org/ntsb/CEN26LA061.md): Bell Textron Canada 505 · Divot, TX · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Dec 13, 2025 · N865S · Substantial damage
  > On December 13, 2025, about 1345 central standard time, a Bell Helicopter 505, N865S, was substantially damaged when it was involved in an accident near Divot, Texas. The pilot was seriously injured and the passenger sustained minor injuries. The helicopter…
- [NTSB CEN24FA325](https://openairdocs.org/ntsb/CEN24FA325.md): Arrow Falcon Exporters OH-58A+ · Newton, TX · Accident · 1 fatal · Class 3 · Field · Preliminary report · Aug 23, 2024 · N199BD · Substantial damage
  > On August 23, 2024, about 1330 central daylight time, a restricted category Arrow Falcon Exporters OH-58A helicopter, N199BD was substantially damaged when it was involved in an accident near Newton, Texas. The pilot was fatally injured and one person on the…

## 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."completionStatus" = 'Ongoing'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '231' 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/231/sequence?status=ongoing

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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.