# NTSB investigations: Bell OH-58A: 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 CEN25LA337](https://openairdocs.org/ntsb/CEN25LA337.md): Bell OH-58A · Caseville, MI · Accident · Minor injuries · Class 4 · Limited · Final report · Aug 23, 2025 · N707EE · Substantial damage
  > The front seat passenger’s inadvertent movement of the cyclic control resulting in a dynamic rollover after landing. Contributing to the accident was the pilot’s decision to leave the dual flight controls installed with a non-pilot passenger in the front seat.
- [NTSB ERA20LA004](https://openairdocs.org/ntsb/ERA20LA004.md): Bell OH 58A · Fort Meade, FL · Accident · No injuries · Class 3 · Limited · Final report · Oct 3, 2019 · N911RW · Substantial damage
  > The pilot's failure to maintain control of the helicopter, which resulted in a dynamic rollover and impact with terrain.
- [NTSB ERA18LA170](https://openairdocs.org/ntsb/ERA18LA170.md): Bell OH 58A · Raleigh, NC · Accident · Minor injuries · Limited investigation · Final report · Jun 19, 2018 · N303HP · Substantial damage
  > The pilot's inadequate preflight inspection, during which he failed to detach ground handling equipment from the helicopter before initiating the takeoff, which resulted in the subsequent dynamic rollover.

## 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 ('1181579')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND 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?model=1181579

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