# STC SA8887SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC System 55 two axis automatic flight guidance system, ST-557.
- Status date: April 29, 2002
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 1A13](https://openairdocs.org/tcds/1A13)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2C783FB7A5C32C0C85256CC20058E952.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA8887SW-D

## ADs that name it (0)

None.

## Approved models (1)

- REVO Incorporated Colonial Lake Model 250 ([TCDS 1A13](https://openairdocs.org/tcds/1A13))

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