# NTSB investigations: Bell 47D1, KY

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 ATL90DLQ01](https://openairdocs.org/ntsb/ATL90DLQ01.md): Bell 47D1 · Hickman, KY · Accident · No injuries · Final report · Apr 24, 1990 · N2134 · Substantial damage
  > Improper in-flight planning/decision by the pilot. The resultant tailwind was a related factor.
- [NTSB ATL82DA183](https://openairdocs.org/ntsb/ATL82DA183.md): Bell 47D1 · Louisville, KY · Accident · No injuries · Final report · Jul 2, 1982 · N929B · Substantial damage
  > The pilot was en route to have a radio installed when the engine lost power. He made an autorotative landing in an open field. When the helicopter contacted the ground, the main rotor, tail rotor, tail boom, and skids were damaged. The pilot stated that he…
- [NTSB CHI72DLQ34](https://openairdocs.org/ntsb/CHI72DLQ34.md): Bell 47D1 · Hazard, KY · Accident · No injuries · Closed · Mar 19, 1972 · N929B · Substantial damage
- [NTSB UNK64X2207](https://openairdocs.org/ntsb/UNK64X2207.md): Bell 47D1 · Gilbertsville, KY · Accident · Serious injuries · Closed · Jun 9, 1964 · N8060E · Substantial damage

## 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."eventStateOrRegion" = 'KY' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1180802'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1180802&state=KY

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