# NTSB investigations: Westland Helicopters WG30

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 LAX85IA040](https://openairdocs.org/ntsb/LAX85IA040.md): Westland Helicopters WG30 · Santa Ana, CA · Incident · No injuries · Incident investigation · Final report · Nov 5, 1984 · N5840T · No damage
  > During a climb to cruise, the crew experienced control difficulties when the for-&-aft trim actuator began to motor forward and would not stop. An emerg descent was made with both plts exerting aft cyclic pressure to prevent the speed from increasing over 120…
- [NTSB LAX84AA054](https://openairdocs.org/ntsb/LAX84AA054.md): Westland Helicopters 30-100 · Long Beach, CA · Accident · Serious injuries · Final report · Nov 8, 1983 · N5830T · Destroyed
  > At 4,000 ft MSL directional control was lost. Witnesses observed the helicopter descending through the localized cloud layer in a left high-rotation turn, with the pitch attitude varying & its rate of descent 'very fast.' The helicopter then collided with…

## 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 ('9650160'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=9650160

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