# STC SA961SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system AK275 cons. of Century III autopilot with optional radio coupler, automatic pitch trim, aileron stabilizer, glide slope coupler.
- Status date: July 9, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/516289F8502ED6FD85256CC20058EB5D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA961SW

## ADs that name it (0)

None.

## Approved models (2)

- Raytheon Aircraft Company 36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company A36 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.