# NTSB investigations: Bell Helicopter Textron 206L-1: Loss of engine power (total)

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 ERA24LA076](https://openairdocs.org/ntsb/ERA24LA076.md): Bell Helicopter Textron 206L-1 · Walland, TN · Accident · No injuries · Class 3 · Limited · Final report · Dec 28, 2023 · N571CJ · Substantial damage
  > The improper installation of the No. 8 bearing spanner nut, which resulted in the No. 8 bearing’s failure, and the subsequent total loss of engine power.
- [NTSB ERA19LA152](https://openairdocs.org/ntsb/ERA19LA152.md): Bell 206 · Dublin, GA · Accident · No injuries · Class 3 · Limited · Final report · Apr 15, 2019 · N395AE · Substantial damage
  > A partial loss of engine power on takeoff due to separation of the diffuser assembly as a result of incomplete braze joint surfaces on the vane airfoils.
- [NTSB GAA16CA408](https://openairdocs.org/ntsb/GAA16CA408.md): Bell Helicopter Textron 206 · Modesto, CA · Accident · No injuries · Data collection · Final report · Jul 30, 2016 · N206LW · Substantial damage
  > The pilot's failure to maintain pitch control during an autorotation, which resulted in abnormal ground contact and main rotor contact with the tail boom. Contributing to the accident was the low fuel level which resulted in fuel starvation and a loss of…
- [NTSB WPR16LA125](https://openairdocs.org/ntsb/WPR16LA125.md): Bell 206 · Bishop, CA · Accident · No injuries · Limited investigation · Final report · Jun 14, 2016 · N1076Y · Substantial damage
  > The pilot’s improper preflight weather planning, fuel planning, and fuel management, which resulted in fuel starvation and a loss of engine power. Contributing to the severity of the accident was the pilot's initiation of the landing flare at a high altitude,…
- [NTSB ERA15FA173](https://openairdocs.org/ntsb/ERA15FA173.md): Bell Helicopter Textron 206 L-1 · Saucier, MS · Accident · 2 fatal · Field investigation · Final report · Mar 30, 2015 · N50KH · Destroyed
  > A loss of engine power for reasons that could not be determined due to postaccident fire damage.
- [NTSB WPR12LA408](https://openairdocs.org/ntsb/WPR12LA408.md): Bell Helicopter Textron 206L-1 · Grand Canyon, AZ · Accident · No injuries · Limited investigation · Final report · Sep 9, 2012 · N5745Y · Substantial damage
  > A total loss of engine power during descent for reasons that could not be determined because postaccident engine examinations and testing revealed no evidence of an anomaly that would have precluded normal operation.
- [NTSB CEN10LA036](https://openairdocs.org/ntsb/CEN10LA036.md): Bell 206 · High Island A-442A · Accident · Serious injuries · Limited investigation · Final report · Nov 1, 2009 · N272M · Substantial damage
  > A total loss of engine power due to maintenance personnel's failure to correctly torque the Pc line following removal and reinstallation of the turbine module.

## 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 ('1182107')
    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" = '341' 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/341/sequence?model=1182107

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