# NTSB investigations: Bell 47D1, 1981

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 DEN82FTI03](https://openairdocs.org/ntsb/DEN82FTI03.md): Bell 47D1 · Haugen, MT · Accident · No injuries · Closed · Oct 27, 1981 · N112B · Substantial damage
- [NTSB LAX81FUJ85](https://openairdocs.org/ntsb/LAX81FUJ85.md): Bell 47D1 · Poston, AZ · Accident · Minor injuries · Closed · Aug 10, 1981 · N8060E · Substantial damage
- [NTSB LAX81FVG21](https://openairdocs.org/ntsb/LAX81FVG21.md): Bell 47D1 · Chico, CA · Accident · Minor injuries · Closed · Feb 28, 1981 · N12512 · Destroyed
- [NTSB FTW81FA045](https://openairdocs.org/ntsb/FTW81FA045.md): Bell 47D1 · Roanoke, TX · Accident · Minor injuries · Closed · Feb 10, 1981 · N9736Z · 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 year(c."eventDate") = 1981
  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&year=1981

---
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.