# STC SA3164SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK584 consisting of Century IIB Autopilot with Optional Radio Coupler
- Applied: October 4, 1976
- Status date: June 7, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A25](https://openairdocs.org/tcds/3A25)
- Certificate PDF: https://openairdocs.org/files/sha256/cf/37/cf372e255487804e64806b06674d7262309c31767efaf3f1fe2f12933a02f59e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/39C1F7BD863CD42E85256CC2000A94B3.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3164SW-D

## ADs that name it (0)

None.

## Approved models (7)

- Textron Aviation Inc. 320-1 ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- Textron Aviation Inc. 320A ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- Textron Aviation Inc. 320B ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- Textron Aviation Inc. 320C ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- Textron Aviation Inc. 320D ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- Textron Aviation Inc. 320E ([TCDS 3A25](https://openairdocs.org/tcds/3A25))
- Textron Aviation Inc. 320F ([TCDS 3A25](https://openairdocs.org/tcds/3A25))

## 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: SA316454-D This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. 0. Box 610 Mineral Wells, IX 76067 Part 3 of the CIV11 AIT Regulations:

Original Product Type Certificate Numben: 3A25 Make: Cessna Model: 320-1, 320-А, 320В, 320С, 320D, 320Е, 320F Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK584 consisting of Century IIB Autopilot with Optional Radio Coupler according to Bulletin No. 708, Revision 1, dated 9-30-76 and Master Drawing List No. 87A837, Revision A, dated 9-30-76 timilations andbindilions: The f011owing FAA/DAS Approved Supplemental Flight Manuals are required:

P/N 685483, dated 11-11-76 for Cessna Models 320-1, 320A, 320B, 320C, 320D P/N 685484, dated 11-11-76 for Cessna Models 320E, 320F This beate and the supperting dale wech is the basis for appoval shull merain in effel until sun- compatibility of this modification with other previously approved modifications vendered, suspended, revoked, or a termination date is sheruise es lablished by the Adminis bral, r sf the Federal Aviation Administration .

Date of Application: 10-4-76 Jule wissued: 6-7-84, Revision 1 Date of Issuance: 11-11-76 Jale unvended:

FEDERAL AVIATION By Direction of the Administrator Don P. Watson (Signalure ) TAMINST RAID Manager, Aircraft Certification Division Southwest Region (Title) 47 FAA FORM 8110-2 (10-68)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address of transferee) (Number and streel) (CIty, Stake, and 2IP code) from (Name of grantor) (Print or type) (Address of grantor) ( Number and sireel ;

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

Date of Transfer: _ Signature of grantor (In ink): - +11 + r. 0~. 1090-262-190

## Every issue (1)

- June 7, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/cf/37/cf372e255487804e64806b06674d7262309c31767efaf3f1fe2f12933a02f59e)

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