# NTSB investigations: Bell OH-58C: Loss of control in flight

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 CEN21LA135](https://openairdocs.org/ntsb/CEN21LA135.md): Bell OH-58 · Greensburg, LA · Accident · Minor injuries · Class 4 · Limited · Final report · Feb 22, 2021 · N902LP · Substantial damage
  > The pilot’s failure to maintain lateral control and terrain clearance while hovering, which resulted in a dynamic rollover.
- [NTSB ERA20CA184](https://openairdocs.org/ntsb/ERA20CA184.md): Bell OH-58C · Livingston, NY · Accident · No injuries · Class 4 · Data collection · Final report · May 14, 2020 · N183MP · Substantial damage
  > The pilot's failure to maintain obstacle clearance while maneuvering at low altitude at night, which resulted in the helicopter striking a tree.
- [NTSB ERA17LA032](https://openairdocs.org/ntsb/ERA17LA032.md): Bell OH 58C · Cameron, NC · Accident · Minor injuries · Limited investigation · Final report · Nov 1, 2016 · N139RD · Substantial damage
  > An in-flight failure of a main rotor blade due to fatigue cracks. Contributing to the failure of the main rotor blade was the absence of guidance to the operator to inspect an area of the main rotor blade known to be susceptible to fatigue cracks and the…
- [NTSB ERA11TA317](https://openairdocs.org/ntsb/ERA11TA317.md): Bell OH-58C · Panama City, FL · Accident · Minor injuries · Final report · May 27, 2011 · N82772 · Substantial damage
  > The drooping electrical conduit, which snagged the vertical fin and resulted in the pilot's inability to control the helicopter. Contributing to the accident was the operator's decision to have the pilot fly the helicopter out of the hangar.
- [NTSB CEN09TA060](https://openairdocs.org/ntsb/CEN09TA060.md): Bell OH-58C · Quitman, AR · Accident · 1 fatal · Final report · Nov 16, 2008 · N153GF · Substantial damage
  > The pilot’s failure to execute a proper autorotation during a forced landing after a loss of rotor rpm for undetermined reasons.

## 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 ('1181580')
    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" = '240' 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/240/sequence?model=1181580

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