# NTSB investigations: Bell 206B: Loss of lift

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 GAA18CA512](https://openairdocs.org/ntsb/GAA18CA512.md): Bell 206 · Battle Mountain, NV · Accident · No injuries · Class 4 · Data collection · Final report · Aug 18, 2018 · N8052G · Destroyed
  > The pilot's failure to maintain the proper altitude and airspeed while flying in a canyon in gusting wind conditions.
- [NTSB WPR18LA029](https://openairdocs.org/ntsb/WPR18LA029.md): Bell 206 · Rolling Fork, MS · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 7, 2017 · N93PH · Substantial damage
  > An uncommanded yaw and subsequent loss of main rotor rpm for reasons that could not be determined.
- [NTSB WPR12LA426](https://openairdocs.org/ntsb/WPR12LA426.md): Bell 206 - B · Mammoth Lakes, CA · Accident · No injuries · Limited investigation · Final report · Sep 19, 2012 · N222GR · Destroyed
  > The pilot’s inability to maintain sufficient main rotor rpm while maneuvering in high density altitude conditions, which resulted in a precautionary landing and subsequent 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 ('1181511')
    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" = '500' 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/500/sequence?model=1181511

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