# STC SA801SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system Mode AK244 Century II autopilot with optional radio coupler.
- Applied: May 1, 1967
- Status date: June 29, 1984
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A6CE](https://openairdocs.org/tcds/A6CE)
- Certificate PDF: https://openairdocs.org/files/sha256/6c/86/6c866e7420629f28f8df4f4d6a737ecc43d23c2981c32f4eae0f247f9fe21d1f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/784527BFBB7C76B385256CC20058E556.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA801SW

## ADs that name it (0)

None.

## Approved models (6)

- The Cessna Aircraft Company 337A (USAF 02B) ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company 337B ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company 337C ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company 337D ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company T337B ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))
- The Cessna Aircraft Company T337C ([TCDS A6CE](https://openairdocs.org/tcds/A6CE))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

• Sfaintt&tfi Bepartment of transportation—federal ablation administration Supplemental *Cgpe Certificate <su#m0er' SA8Q1SW Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 3 *JJ&e, Civil Air A6CE Cessna 337A, 337B, T337B, 337C? T337C, 337D n*ae< :

Installation of Mitchell Automatic Flight System Model AK244 consisting of Century II Autopilot with Optional Radio Coupler according to Bulletin No, 355, Revision (5), dated 10-6-72 and Master Drawing List No, 87A527, Revision A, dated 10-6-72. Installation of Mitchell Radio Coupler Model 1C388-3 according to Bulletin No, 611, Revision 1, dated 4-16-74 and Master Drawing List No. 87A7Q8, Revision A, dated 4-16^74.

FAA Approved Placard P/N 13A344^244 is. required for Century I.I Installation.

FAA Approved Autopilot Flight Manual P/N 68S168, dated 4WL6^.74 is required for Mitchell Radio Coupler Model lC388r-3 installation.

JSSab|bSS?»?UhSj ^f^aileVr1^ °ther Previously aPProved modifications <yA*A ^cev&ficatf MnaJSit A&^ifusf&rva,da£a Mffocri *4/.4n£'*'aAi&J(rr-4^ifiir<'ira/AAM/4/*t<rn4ii'n t^v^e^^f/^^nA'/^f^r^- <4>4n4**&i^^&tMiAA*&&y4nt;-ViatfitntA/ra/<-* <\ : 10-20-70; 11-3Q-72; 1-18^-73;

4-rl6-74; 6-29-84, Revision 5 -^., ^i >•- Don P. Watson Manager, Aircraft Certification Division Southwest Region (Title)

This certificate may be transferred in accordance with FAR 21.17.

**FAA FOIM 8110-2 (10-68)**

ilt, Stale, and ^IP rode I Extent of Authority (if licensing agreement): _ Date of Transfer:.

Signature of grantor (In ink):

## Every issue (1)

- June 29, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/6c/86/6c866e7420629f28f8df4f4d6a737ecc43d23c2981c32f4eae0f247f9fe21d1f)

---
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.