# NTSB investigations: Franklin 6V 350 series: Airframe/component/system failure/malfunction

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 ANC97LA142](https://openairdocs.org/ntsb/ANC97LA142.md): Maule ML-4-220C · Aniak, AK · Accident · No injuries · Limited investigation · Final report · Sep 4, 1997 · N2048U · Substantial damage
  > The inadvertent swerve during landing on calm water. A factor was the pilot's lack of certification in single engine seaplanes.
- [NTSB NYC87LA182](https://openairdocs.org/ntsb/NYC87LA182.md): Maule M-4 · Wellsville, NY · Accident · No injuries · Limited investigation · Final report · Jun 20, 1987 · N40354 · Substantial damage
  > The flight experienced a violent shimmy upon t/d and the acft veered to the right. The pilot made a go-around and experienced the same condition on the second t/d. on the third t/d, the pilot landed but was only able to maintain control of the acft until it…
- [NTSB CHI87FA139](https://openairdocs.org/ntsb/CHI87FA139.md): Bell 47G · Dayton, MN · Accident · 2 fatal · Field investigation · Final report · Jun 3, 1987 · N128B · Destroyed
  > Aircraft collided with terrain after tailboom structure failed because of internal corrosion. The aircraft was not registered at the time of the accident and the pilot/operator failed to assure that proper or timely preventive maintenance was performed on the…

## 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.engine_model_code IN ('27043')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 130))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27043&occurrence=130

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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.