# NTSB investigations: Aerospatiale AS 355 F ECUREUIL: Airframe/component/system failure/malfunction

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 NYC97LA058](https://openairdocs.org/ntsb/NYC97LA058.md): Aerospatiale AS-355F · Washington, PA · Accident · Minor injuries · Limited investigation · Final report · Mar 5, 1997 · N101UC · Substantial damage
  > The malfunction of a cyclic servo which resulted in a cyclic hard over at a hover.
- [NTSB SEA92LA029](https://openairdocs.org/ntsb/SEA92LA029.md): Aerospatiale AS355F1 · Billings, MT · Accident · No injuries · Limited investigation · Final report · Oct 29, 1991 · N101UC · Substantial damage
  > The unlatching and subsequent opening inflight of the left-rear engine cowl door. A factor contributing to the accident was the failure of company maintenance personnel to execute the manufacturer's service bulletin.
- [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 ATL88IA171](https://openairdocs.org/ntsb/ATL88IA171.md): Aerospatiale AS-355-F · Reidsville, NC · Incident · No injuries · Incident investigation · Final report · May 13, 1988 · N101UC · Minor damage
- [NTSB FTW87FA203](https://openairdocs.org/ntsb/FTW87FA203.md): Aerospatiale AS-355F-1 · Ship Shoal 214c · Accident · Serious injuries · Field investigation · Final report · Aug 19, 1987 · N359E · Substantial damage
  > Acft experienced a tail rotor drive shaft failure during t/o from an offshore platform. Acft spun left and completed 6 to 7 revolutions prior to water contact as the single plt could not reach the throttles to reduce pwr to idle. Acft landed hard and the rt…
- [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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8680806')
    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" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8680806&occurrence=130

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