# STCs that may be installed: Stinson A

A list on [Stinson A](https://openairdocs.org/model/stinson-a.md).

In force first, then newest. The registry doesn’t record which STCs an aircraft has.

- [STC SA6070NM](https://openairdocs.org/stc/SA6070NM.md): Installation of a 'quick-disconnect drain plug' on the engine rocker sump for the oil drain retrieval system after engine shutdown. · West Coast Air Creations
- [STC SA02033AT](https://openairdocs.org/stc/SA02033AT.md): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. · M-20 Oil Separators LLC
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM.md): Installation of Electronics Int'l digital automatic engine analyzer. · Electronics International

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
FROM (
  SELECT stc_number, min(matched_model) AS matched_model
  FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet'
  WHERE aircraft_model_code IN ('8630901')
  GROUP BY stc_number
) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number
```

This list as a web page: https://openairdocs.org/model/stinson-a/stcs

---
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.
