# NTSB investigations: Sikorsky S-64E

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 WPR23FA302](https://openairdocs.org/ntsb/WPR23FA302.md): Bell 407 · Cabazon, CA · Accident · 3 fatal · Class 3 · Field · Final report · Aug 7, 2023 · N555AS · 2 aircraft · Substantial damage
  > The Skycrane flight crew’s decision to enter the Fire Traffic Area’s 7-nm NOCOM ring at an altitude significantly above their maximum cleared altitude, which resulted in their need for an aggressive descent into congested airspace and subsequent failure to…
- [NTSB WPR19WA147](https://openairdocs.org/ntsb/WPR19WA147.md): Sikorsky S64 · Mount Eliza, Australia · Accident · Minor injuries · Foreign investigation · Jan 28, 2019 · N173AC · Substantial damage
  > On January 28, 2019, at 1956 local time, a Sikorsky S-64E, N173AC, sustained substantial damage after colliding into a pond near Mount Eliza, Australia. The pilot and two crewmembers were not injured. The investigation is under the jurisdiction of the…
- [NTSB LAX03TA229](https://openairdocs.org/ntsb/LAX03TA229.md): Sikorsky S-64E · Tucson, AZ · Accident · No injuries · Final report · Jul 8, 2003 · N6979R · Substantial damage
  > the pilot's failure to maintain tail rotor clearance while hovering resulting in a tail rotor blade strike.
- [NTSB SEA99LA038](https://openairdocs.org/ntsb/SEA99LA038.md): Sikorsky S-64E · Shelton, WA · Accident · 1 fatal · Limited investigation · Final report · Mar 2, 1999 · N194AC · No damage
  > The failure of the victim to follow the procedure that required him to make sure that all choker lines had separated from the helicopter's release mechanism prior to entering the landing (collection area).
- [NTSB SEA91FA143](https://openairdocs.org/ntsb/SEA91FA143.md): Sikorsky S-64E · Index, WA · Accident · Serious injuries · Field investigation · Final report · Jun 27, 1991 · N6959R · Destroyed
  > The control interference by the mechanic when he inadvertently raised the collective pitch and the copilot's failure to attend the flight controls. Factors relating to the accident were the motion sickness of the mechanic, inadequate collective pitch control…
- [NTSB MKC78DA061](https://openairdocs.org/ntsb/MKC78DA061.md): Sikorsky S-64 · Buffalo, MN · Accident · No injuries · Closed · Aug 8, 1978 · N4036S · No damage
- [NTSB DEN77FA019](https://openairdocs.org/ntsb/DEN77FA019.md): Sikorsky S-64E · Cowdrey, CO · Accident · Serious injuries · Closed · Dec 13, 1976 · N6965R · Substantial damage
- [NTSB MIA71FKD01](https://openairdocs.org/ntsb/MIA71FKD01.md): Sikorsky S-64E · Union City, TN · Accident · No injuries · Closed · Jul 3, 1970 · N6962R · Substantial damage
- [NTSB ANC70A0020](https://openairdocs.org/ntsb/ANC70A0020.md): Sikorsky S-64E · Prudhoe Bay, AK · Accident · 3 fatal · Closed · Sep 2, 1969 · N6964R · Destroyed

## 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 ('8142604'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8142604

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
