# NTSB investigations: Bell 47G-4, TX

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 FTW03CA146](https://openairdocs.org/ntsb/FTW03CA146.md): Bell 47G-4 · Robinson, TX · Accident · Minor injuries · Data collection · Final report · May 12, 2003 · N4205D · Substantial damage
  > The pilot's failure to maintain clearance with the ground while performing a quick stop maneuver which resulted in a dynamic rollover.
- [NTSB FTW91LA064](https://openairdocs.org/ntsb/FTW91LA064.md): Bell 47G4 · Corpus Christi, TX · Accident · Minor injuries · Limited investigation · Final report · Apr 27, 1991 · N1195W · Destroyed
  > The initial restricted movement and eventual locking of the cyclic control as a result of the failure of the lateral servo. A factor was the installation of the failed component by an unqualified person.
- [NTSB FTW79FRA34](https://openairdocs.org/ntsb/FTW79FRA34.md): Bell 47G-4 · Manvel, TX · Accident · No injuries · Closed · Jun 29, 1979 · N1150W · Substantial damage
- [NTSB FTW79DRA20](https://openairdocs.org/ntsb/FTW79DRA20.md): Bell 47-G4 · Alvin, TX · Accident · No injuries · Closed · Apr 24, 1979 · N1150W · Minor damage
- [NTSB FTW72FPD06](https://openairdocs.org/ntsb/FTW72FPD06.md): Bell 47G-4 · Grandview, TX · Accident · No injuries · Closed · Aug 30, 1971 · N8520F · Destroyed
- [NTSB FTW69A0073](https://openairdocs.org/ntsb/FTW69A0073.md): Bell 47G-4 · Sabine, TX · Accident · Serious injuries · Closed · Apr 14, 1969 · N1143W · Substantial damage
- [NTSB FTW67A0003](https://openairdocs.org/ntsb/FTW67A0003.md): Bell 47G-4 · Borger, TX · Accident · No injuries · Closed · Jul 5, 1966 · N1128W · Substantial damage
- [NTSB UNK64X3021](https://openairdocs.org/ntsb/UNK64X3021.md): Bell 47G4 · Reagor Sprgs, TX · Accident · No injuries · Closed · Jul 25, 1964 · N73289 · 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" = 'TX' 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 ('1181030'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1181030&state=TX

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