# STC SA3201SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic flight sytem model AK472 consisting of Century I autopilot with optional omni tracker.
- Applied: March 28, 1977
- Status date: March 28, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- Certificate PDF: https://openairdocs.org/files/sha256/8c/82/8c82db822e7eacef6ce289353d386b115e3a799e94d1ccf774ff03d719f715df
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6EFC612DD660D43885256CC2000A952C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3201SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Cessna Aircraft Company 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12))

## 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: SA320184-0 This certificate issued to: Century Flight Systems, Inc.

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

Original Product - Type Gertificate Number: ЗА12 Make: Cesana Model: 172M, 172N Description of Type Design Change:

Installation of Mitchell Automatic Plight Systen Model AK472 consisting of a Century I Autopilot with Optional Omni Tracker according to Bulletin No. 593, Rev. 1 dated 3-25-77 and Master Drawing List No. 87A701 dated 3-25-77,or later FAA approved reviaion.

FAA/DAS Approved P1lot's Operating Handbook Supplement dated 4-7-77 1s required for Cessna 172M, S/N 17265685 thru P/N 17267584 and Cesana 172N (POHS P/N 68S532) FAA/DAS Approved Century I Limitations Placard P/N 13A762-472 16 required for Ceena 172M, S/N 17256493, 17260759 thru 17261898 (Except for S/N 17261445 and S/N 17261578) and S/N 17261899 thru 17265684.

compatibility of this modification with other previously approved modifications

Date of Application: 3-28-77 Jule missued: 3-28-84 Rev1B1on 1 Date of Issuance: 4-7-77 Date Amended:

FEDERAL AVIATION indisco Don P. Watson (Signature ) TAMINISTRAS ON Manager, Aircraft Certification Division Southwest Region (Title)

47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and streel) (City, Stake, and RIP code) from (Name of grantor) (Print or sype) (Address of grantor) (Number and sireel ;

(City, Stale, and ZIP code) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

+.. = r. 0~. 1090-822.187

## Every issue (1)

- March 28, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/8c/82/8c82db822e7eacef6ce289353d386b115e3a799e94d1ccf774ff03d719f715df)

---
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.