# STC SA401SW

- Type: Supplemental type certificate
- Status: Current, Abandoned
- Holder: Superior Flow Company, United States
- Description: Full flow oil filter.
- Applied: June 16, 1964
- Status date: October 31, 2017
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A1CE](https://openairdocs.org/tcds/A1CE)
- Certificate PDF: https://openairdocs.org/files/sha256/63/b8/63b8c8f5867ca6058d09c2fc4ee43c12eff807d0ebea997cc492684e331dac7a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C4D0901579AB6A6286258221004B6C68.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA401SW

## ADs that name it (1)

- [AD 67-01-04](https://openairdocs.org/ad/67-01-04): Oil Filters · Full flow oil filter (Superior Flow STC SA401SW or 2 others). Effective Jan 2, 1967. Named in the applicability

## Approved models (1)

- Raytheon Aircraft Company 23 Series ([TCDS A1CE](https://openairdocs.org/tcds/A1CE))

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (1)

- October 31, 2017: Abandoned, Current. [certificate](https://openairdocs.org/files/sha256/63/b8/63b8c8f5867ca6058d09c2fc4ee43c12eff807d0ebea997cc492684e331dac7a)

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