# NTSB investigations: Bell 206L-3: Loss of engine power(total) - mech failure/malf

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 FTW02LA064](https://openairdocs.org/ntsb/FTW02LA064.md): Bell 206L-3 · Grand Isle 74 · Accident · No injuries · Limited investigation · Final report · Jan 8, 2002 · N349AL · Substantial damage
  > The pilot's misjudged landing flare. A contributing factor was the fatigue fracture of the PC air line due to the improper installation by company maintenance personnel, which resulted in a loss of engine power.
- [NTSB FTW98FA239](https://openairdocs.org/ntsb/FTW98FA239.md): Bell 206L-3 · Springdale, AR · Accident · Serious injuries · Field investigation · Final report · May 24, 1998 · N27AE · Substantial damage
  > The failure of maintenance personnel to properly assemble the engine's accessory gearbox, which resulted in a total loss of engine power due to partial blockage of the main oil passage by an o-ring. The blockage reduced oil flow to the turbine shafting, which…
- [NTSB DEN84FA290](https://openairdocs.org/ntsb/DEN84FA290.md): Bell 206L-3 · Denver, CO · Accident · Serious injuries · Field investigation · Final report · Sep 13, 1984 · N99TV · Destroyed
  > Plt had slowed the helicopter to 30 KIAS using 50 to 60% pwr at an alt of 700 ft AGL. Plt the heard 'two beeps' from the eng out warning horn, saw eng out annunciator lights illuminate & the 'turbine neddle dropping.' Plt 'bottomed'the collective, lowering…

## 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 ('1182108')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 351))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1182108&occurrence=351

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