# NTSB investigations: Bell Helicopter Textron Canada 407: Collision with terr/obj (non-CFIT)

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 ERA24FA003](https://openairdocs.org/ntsb/ERA24FA003.md): Bell Helicopter Textron Canada 407 · Croydon, NH · Accident · 1 fatal · Class 3 · Field · Final report · Oct 8, 2023 · N802JR · Substantial damage
  > The pilot’s loss of control during the initial climb in dark night conditions due to spatial disorientation, which resulted in a steep banking descent into trees and terrain. Contributing to the accident was the pilot’s lack of recent night flight experience,…
- [NTSB WPR22LA174](https://openairdocs.org/ntsb/WPR22LA174.md): Bell Helicopter Textron Canada 407 · Livermore, CA · Accident · Serious injuries · Class 3 · Limited · Final report · May 11, 2022 · N999GH · Substantial damage
  > Loss of engine power due to the pilot inadvertently selecting engine IDLE mode while in flight, which reduced rotor and engine speed to a level that could not sustain flight.
- [NTSB CEN22FA073](https://openairdocs.org/ntsb/CEN22FA073.md): Bell Helicopter Textron Canada 407 · LaPlace, LA · Accident · 1 fatal · Class 3 · Field · Final report · Dec 14, 2021 · N150AS · Destroyed
  > The pilot’s failure to maintain clearance from power lines. Contributing to the accident was the pilot’s decision to fly in instrument conditions.
- [NTSB ERA16FA248](https://openairdocs.org/ntsb/ERA16FA248.md): Bell Helicopter Textron Canada 407 · Hickory, KY · Accident · 1 fatal · Field investigation · Final report · Jul 11, 2016 · N427TV · Substantial damage
  > Company maintenance personnel's inappropriate removal without replacement of the safety wires on the collective lever pin screws during a recent maintenance inspection, which resulted in the screws backing out and led to a loss of collective control in flight.
- [NTSB CEN13FA122](https://openairdocs.org/ntsb/CEN13FA122.md): Bell Helicopter 407 · Clear Lake, IA · Accident · 3 fatal · Field investigation · Final report · Jan 3, 2013 · N445MT · Destroyed
  > The pilot’s inadvertent encounter with localized icing conditions and his subsequent in-flight loss of helicopter control.
- [NTSB ERA12TA251](https://openairdocs.org/ntsb/ERA12TA251.md): Bell 407 · Delray Beach, FL · Accident · Minor injuries · Final report · Mar 23, 2012 · N31PB · Substantial damage
  > The pilot’s improper response to a simulated engine failure and the instructor’s delayed and improper remedial action.

## 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 ('1182154')
    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" = '470' 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/470/sequence?model=1182154

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