# STC SA3255SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell automatic flight system model AK 679 consisting of Century III autopilot with optional radio coupler and glide slope coupler
- Applied: December 6, 1977
- Status date: March 28, 1984
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A3SO](https://openairdocs.org/tcds/A3SO)
- Certificate PDF: https://openairdocs.org/files/sha256/9f/ac/9facdc60b138aa3293f9779cd86a4602e0a8786c74e8c27545502c3f51d68ebb
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/91447D8585777B5E86257DA8006684C1.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3255SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Piper Aircraft Inc. PA-32RT-300 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))
- Piper Aircraft Inc. PA-32RT-300T ([TCDS A3SO](https://openairdocs.org/tcds/A3SO))

## 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.

©epartment of transportation —federal Station administration upplEmental t^gpe Certificate SA3255SW-D Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 '<c£M>i4ri^/w^i#rii/a&4>7iA',a&idjCtrrui6i&t>nA, J ^jb, dyj^l Air <Sl£&tt£a&vnd>.

fJiLta&nat <J£f>ciuc6 —— iS/ySi&w^r&^ica&<-/Ku#ridev-: A3SO piper PA-32RT-300, PA-32RT-300T Installation of Mitchell Automatic Flight System Model AK.679 consisting of Century III Autopilot with Optional Radio Coupler and Glide Slope Coupler according to Bulletin No. 808, Rev. 2, dated 4-19-78 and Master Drawing List No. 87A973, Rev. B dated 4-19-78 (14 Volt System), or later FAA approved revision.

-J FAA/DAS Approved Pilot's Operating Haatbook Supplement, P/N 68S615 dated 1-5-78 is required for PA-32RT-300; Supplement P/N 68S700-S dated 5*1-78 is required for PA-32RT-300T.

Placard P/N 13A660-1 is required for owner with Pilot's Operating Handbooks.

Placard P/N 13A660 is required for owner with airplane flight manuals.

approved modifications u/

- 12-6-77 !/«& ***«,</ 5-11-78; 3/28-84 Revision 2 Don P. WatSOn (Signature) Manager, Aircraft Certification Division Southwest Region (Title) ^

FAA Fox* 8110-2(10-68)

.NSTRUCTIONS: The .ransfer endowment below may be u,ed u> notify .he appropriate FAA Regional Office of the tranifer of ihu Supplemental Type Certificate.

The FAA will reiuue the certificate in the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee)_ (Address of transferee).

from (Name of grantor) (Print or type).

(Address of grantor) —— (Cify, Suit, Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

, ii < r. o r> !«•«-««».n««

## Every issue (1)

- March 28, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/9f/ac/9facdc60b138aa3293f9779cd86a4602e0a8786c74e8c27545502c3f51d68ebb)

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