# Fatal NTSB investigations: Franklin 6A&6V335 series

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 WPR14FA252](https://openairdocs.org/ntsb/WPR14FA252.md): Cessna 175 · Moab, UT · Accident · 1 fatal · Field investigation · Final report · Jun 18, 2014 · N7043M · Destroyed
  > The pilot’s decision to approach rising mountainous terrain at too low an altitude to clear it and his subsequent attempt to climb, which exceeded the airplane’s critical angle-of-attack and resulted in a stall/spin.
- [NTSB WPR13LA050](https://openairdocs.org/ntsb/WPR13LA050.md): Sater Coot A-Amphib · San Andreas, CA · Accident · 1 fatal · Limited investigation · Final report · Nov 23, 2012 · N8VS · Substantial damage
  > The pilot's excessive flight control inputs, which led to flight that exceeded the structural limits of the airplane and resulted in structural failure of both wings.
- [NTSB DEN03FA113](https://openairdocs.org/ntsb/DEN03FA113.md): Mattison Starduster Too · Ellicott, CO · Accident · 1 fatal · Field investigation · Final report · Jun 28, 2003 · N80T · Destroyed
  > the pilot's improper in-flight planning/decision to perform aerobatics at low altitude and the failed welds at the elevator horn and torque tube. Factors contributing to the accident were the pilot performing aerobatics at low altitude, his inability to…
- [NTSB SEA98FA090](https://openairdocs.org/ntsb/SEA98FA090.md): Maule M-5-220C · Kettle Falls, WA · Accident · 2 fatal · Field investigation · Final report · Jun 6, 1998 · N16CB · Destroyed
  > The pilot's failure to maintain terrain clearance. A factor was an attempt to perform aerobatics at low altitude.
- [NTSB SEA82FA111](https://openairdocs.org/ntsb/SEA82FA111.md): Cessna 172F · Oxbow, OR · Accident · 4 fatal · Field investigation · Final report · Jul 15, 1982 · N8230U · Destroyed
  > During the final approach the aircraft was observed to descend to approximately 50 feet above the river and then execute a pullup and begin a left turn to either reenter a left downwind or reverse the direction of landing. The pilot lost control, the left…
- [NTSB SEA80DYE47](https://openairdocs.org/ntsb/SEA80DYE47.md): Coot B · Kelso, WA · Accident · 2 fatal · Closed · Jul 26, 1980 · N7141 · Destroyed
- [NTSB LAX74AL057](https://openairdocs.org/ntsb/LAX74AL057.md): Bell 47D1 · Westminster, CA · Accident · 2 fatal · Closed · Jan 28, 1974 · N74084 · Destroyed

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27020'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27020&fatal=1

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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.