# STC SA657GL

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Facet Filter Products, United States
- Description: Installation of Facet Enter. Model No. 1740001 engine lubrication system scavenge filter.
- Status date: May 1, 1990
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A7PC](https://openairdocs.org/tcds/A7PC)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0F44506C8FBF79C085256CC200569FA6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA657GL

## ADs that name it (0)

None.

## Approved models (2)

- AeroSpace Technologies Of Australia Pty Ltd. ASTA N22B ([TCDS A7PC](https://openairdocs.org/tcds/A7PC))
- AeroSpace Technologies Of Australia Pty Ltd. ASTA N24A ([TCDS A7PC](https://openairdocs.org/tcds/A7PC))

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.