# STC SH1725SO

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Aircraft Porous Media, Inc, United States
- Description: Installation of an airframe mounted lubrication oil scavenge filter in existing scavenge system.
- Status date: December 11, 1985
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H9EU](https://openairdocs.org/tcds/H9EU)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/82CFCD72C8351EFD85256CC2005C2EF4.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH1725SO

## ADs that name it (0)

None.

## Approved models (1)

- Eurocopter France AS-350D ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))

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