# STC SA3078SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Auto flight system AK556, Century IV autopilot or AK556FD Century IV flight director.
- Status date: October 14, 1983
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A10](https://openairdocs.org/tcds/3A10)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/FF40D98552765F6385256CC2000A9383.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3078SW-D

## ADs that name it (0)

None.

## Approved models (9)

- The Cessna Aircraft Company 310C ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310D ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310F ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310G ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310H ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310I ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310J ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310K ([TCDS 3A10](https://openairdocs.org/tcds/3A10))
- The Cessna Aircraft Company 310L ([TCDS 3A10](https://openairdocs.org/tcds/3A10))

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