# STC SA00756CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Lewis University, United States
- Description: Addition of propeller unfeathering accumulator systems.
- Status date: September 15, 1997
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A19SO](https://openairdocs.org/tcds/A19SO)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B80B34A9989CA90785256CC1007E0117.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA00756CH

## ADs that name it (0)

None.

## Approved models (1)

- The New Piper Aircraft Inc. PA-44-180 ([TCDS A19SO](https://openairdocs.org/tcds/A19SO))

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