# NTSB investigations: Franklin 6A8 series, CA

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 LAX07LA078](https://openairdocs.org/ntsb/LAX07LA078.md): Republic RC-3 · Julian, CA · Accident · No injuries · Limited investigation · Final report · Feb 2, 2007 · N6248K · Substantial damage
  > The failure of the propeller to crankshaft attachment bolts due to fatigue. A contributing factor was the improper installation of the propeller assembly by maintenance personnel.
- [NTSB LAX05LA172](https://openairdocs.org/ntsb/LAX05LA172.md): Republic RC-3 · Geyserville, CA · Accident · Minor injuries · Limited investigation · Final report · May 14, 2005 · N6292K · Substantial damage
  > A loss of engine power due to failure of the number 1 connecting rod bearing due to a probable oil starvation.
- [NTSB LAX84LA229](https://openairdocs.org/ntsb/LAX84LA229.md): Republic RC-3 · Lakeport, CA · Accident · Minor injuries · Limited investigation · Final report · Mar 22, 1984 · N6470K · Substantial damage
  > The plt reported that on his preflight he found the eng compression & oil level to be low but after servicing the oil to the proper level he departed & on initial climb, after reaching about 100 ft AGL, the eng started popping & losing RPM. The plt made a…
- [NTSB LAX78DVA35](https://openairdocs.org/ntsb/LAX78DVA35.md): Republic RC-3 · Buttonwillow, CA · Accident · No injuries · Closed · Apr 10, 1978 · N6392K · Substantial damage
- [NTSB LAX71FUA21](https://openairdocs.org/ntsb/LAX71FUA21.md): Republic RC-3 · Avalon, CA · Accident · No injuries · Closed · Oct 7, 1970 · N87564 · Substantial damage
- [NTSB OAK70DXQ03](https://openairdocs.org/ntsb/OAK70DXQ03.md): Republic RC-3 · Homewood, CA · Accident · No injuries · Closed · Feb 11, 1970 · N6652K · Substantial damage
- [NTSB OAK69F0098](https://openairdocs.org/ntsb/OAK69F0098.md): Republic RC-3 · Sacramento, CA · Accident · Serious injuries · Closed · Jun 16, 1968 · N6375K · Destroyed
- [NTSB LAX66F0222](https://openairdocs.org/ntsb/LAX66F0222.md): Republic RC-3 · Pacoima, CA · Accident · No injuries · Closed · Jan 8, 1966 · N87545 · 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" = 'CA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('27030'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=27030&state=CA

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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.