# STC SA393WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Brittain Industries Inc, United States
- Description: Pneumatic pitch assist PC-1 and optional altitude hold AH-1.
- Status date: October 1, 1973
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 3A17](https://openairdocs.org/tcds/3A17)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/16FB5128AB9A690B85256CC2000C5BD5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA393WE

## ADs that name it (0)

None.

## Approved models (2)

- The Cessna Aircraft Company 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 175 Series ([TCDS 3A17](https://openairdocs.org/tcds/3A17))

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