# Fatal NTSB investigations: Aerospatiale AS 355 F ECUREUIL

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 FTW99FA001](https://openairdocs.org/ntsb/FTW99FA001.md): Bell 407 · Vermilion 331 · Accident · 1 fatal · Field investigation · Final report · Oct 5, 1998 · N403PH · 2 aircraft · Destroyed
  > the failure of both pilots to see and avoid each other's aircraft during cruise flight. Factors were the failure of both pilots to use a known safety advisory recommendation and the failure of both operators to implement the recommendation as a company…
- [NTSB FTW89FA013](https://openairdocs.org/ntsb/FTW89FA013.md): Aerospatiale AS-355F-1 · W. Cameron 617 · Accident · 4 fatal · Field investigation · Final report · Nov 4, 1988 · N355EH · Destroyed
  > The loss of control of the aircraft which occurred when the tail rotor drive shaft experienced a fatigue induced material failure and tail rotor thrust was lost. Evidence indicated that the shaft was under designed for the loads that were encountered during…
- [NTSB FTW84FA189](https://openairdocs.org/ntsb/FTW84FA189.md): Aerospatiale AS 355F · W Cameron 540 · Accident · 4 fatal · Field investigation · Final report · Apr 5, 1984 · N5791Z · Destroyed
  > While the plt was taking off from an unmanned rig, the tail section of the helicopter contacted a rotating beacon support bracket on top of a crane structure. The crane structure was located below the elevation of the landing pad. The helicopter then crashed…
- [NTSB FTW84FA107](https://openairdocs.org/ntsb/FTW84FA107.md): Aerospatiale AS-355F · Morgan City, LA · Accident · 2 fatal · Field investigation · Final report · Jan 4, 1984 · N5792X · Destroyed
  > The plts in a helicopter encountered foggy weather during a positioning flt and crashed into a lake about 4 mi from the departure point, a fisherman who witnessed the accident said the acft descended into the water in a nose low attitude. The acft skipped and…
- [NTSB LAX84FA095](https://openairdocs.org/ntsb/LAX84FA095.md): Aerospatiale AS 355F · Black Mountain, NV · Accident · 3 fatal · Field investigation · Final report · Dec 7, 1983 · N57901 · Destroyed
  > The helicopter tookoff on an air ambulance flt at about 1219 PST. According to tower personnel, the departure appeared normal. Radar service was terminated at 1227 & there was no further radio contact with the helicopter. Later, the helicopter was found where…

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8680806'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?fatal=1&model=8680806

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