# STC SA3284SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system Model AK730 consisting of a Century I autopilot with optional omni tracking system.
- Applied: April 19, 1978
- Status date: March 28, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A17](https://openairdocs.org/tcds/3A17)
- Certificate PDF: https://openairdocs.org/files/sha256/1b/d8/1bd838abee362d5fc64d1a3b3b9159ffe6681050dda1c8f3c1de17809ab2de66
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F09D9251A4E3857885256CC2000A9659.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3284SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company R172K ([TCDS 3A17](https://openairdocs.org/tcds/3A17))

## 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.

Bepartment of transportation federal atoiation administration Supplemental t^gpe Certificate SA3284SW-D Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 i/^FW'&iy^wJ£ieA4J<gtM/f<>^d^^ / <-ct-\£a Civil Air tSlea4&Ca&&n&'.

CktyA&iaJ t-fcccuic£ —— t/ Cessna R172K Installation of Mitchell Automatic Flight System Model AK730 consisting of a Century I Autopilot with Optional Oani Tracking System according to Bulletin No. 865 dated 4-18-78 and Master Drawing List No. 87A994 dated 4-18-78 (28 Volt System), or later FAA approved revision.

FAA/DAS Approved Supplemental Ilight Manual P/N 68S702 dated 5-11-78 is required.

°ther Previously approved modifications -u;

A— AHS-tl .' 3-28-84 Revision 1 L/'* Don P. WatSOn (Signature) Manager, Aircraft Certification Division Southwest Region (Title)

47.

FAA FotM 8110-2 (10-68)

ow may be used to notify the appropriate FAA Region,. Office of the transfer of this Supplemental Type Certificate.

The FAA will reissue the certificate in the name of the transferee and forward it 10 him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee•) (Address of transferee) / yumker *nJ ftrtd 1 from (Name of grantor) (Print or type).

(Address of grantor) Jflimttr tnd Ural/ (City, SUU, Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

## Every issue (1)

- March 28, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1b/d8/1bd838abee362d5fc64d1a3b3b9159ffe6681050dda1c8f3c1de17809ab2de66)

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