# NTSB investigations: Bell 47G-4A, 1998

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 MIA98FA229](https://openairdocs.org/ntsb/MIA98FA229.md): Bell 47G-4A · Carrollton, AL · Accident · No injuries · Field investigation · Final report · Aug 23, 1998 · N7162M · Substantial damage
  > The pilots failure to follow written instructions in the flight manual for an engine failure, and the improper use of flight controls (cyclic/collective) during an autorotation resulting in a hard landing, and collision of the main rotor blades with the…
- [NTSB LAX98LA197](https://openairdocs.org/ntsb/LAX98LA197.md): Bell 47G-4A · Shafter, CA · Accident · No injuries · Limited investigation · Final report · Jun 14, 1998 · N110DT · Substantial damage
  > The aircraft's encounter with settling with power, which resulted from the pilot's decision to perform a steep downwind approach.

## 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") = 1998
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181031'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1181031&year=1998

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