# STC SA3163SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK316 consisting of Century III Autopilot with Optional Command Automatic Pitch Trim System, Radio Coupler and Glide Slope Coupler
- Applied: October 11, 1976
- Status date: June 7, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/39/1d/391d0622245e5f408e4cb8a6326a0113c703fa10104620c8081c47cc86aa33f8
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/08BAA8E79002654285256CC2000A94B0.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3163SW-D

## ADs that name it (0)

None.

## Approved models (6)

- Beechcraft Corporation 35-C33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation E33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation E33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation F33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation F33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Beechcraft Corporation G33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA316354-7 This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. O. Box 610 Mineral Wells, TX 76067 Part 3 of the CIV11 Air Regulations.

Original Product - Type Bertificate Number: 3A15 Make: Beech Model: 35-C3ЗА, ЕЗЗА, Е33С, F3ЗA, F33C, G33 Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK316 consisting of Century III Autopilot with Optional Command Automatic Pitch Trim System, Radio Coupler and Glide Slope Coupler according to Bulletin No. 427, Revision 2, dated 9-27-76 and Master Drawing List No. 87A665, Revision B, dated 9-27-76.

Limitations and Conditions: Eligible on F33A, S/N CE-315 and below for this modifirequired for Beech Model G33.

FAA/DAS Approved Airplane Flight Manual Supplement, P/N 685447, dated 11-12-76 1s required for Beech Model F33C.

Compatibility of this modification with other previously approved modífícations fast bedetendined by th d the supporting dalu which is the bas is fin appr val shull vernain in effect until sur vendered, suspended, revoked, or a termination date is otherwise estabdished by the Adminis braler of the Federal Aviation Administration .

Date of Application: 10-11-76 Jule missured: 6-7-84, Revision 1 Date of Issuance: . 11-12-76 Jale unvended:

FEDERAL AVIATION By Direction of the Administrator Don P. Watson (Signature ) TNINISTRATIOE Manager, Aircraft Certification Division Southwest Region (Title)

47.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate (Continuation Sheet) Number A31635W-D; 6-7-84, Rev, 1 Limitations and Conditions:

Placard P/N 13A660 is required for AFMS. Placard P/N 13A660-2 is required for SFM.

FAA FORM 8110-2-1 (10-69) This certificate may be transferred in eccordance with FAR 21.97.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) (239s8s preo esquenN") from (Name of grantor) (Print or type) (Address of grantor) Extent of Authority (if licensing agreement):

Date of Transfer: - Signature of grantor (In ink): - +11< r. 0~: 1890-642-180

## Every issue (1)

- June 7, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/39/1d/391d0622245e5f408e4cb8a6326a0113c703fa10104620c8081c47cc86aa33f8)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.