# STC SA3144SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK604 consisting of Century I Autopilot with Optional Omni Tracker System.
- Applied: May 26, 1976
- Status date: June 6, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A21](https://openairdocs.org/tcds/3A21)
- Certificate PDF: https://openairdocs.org/files/sha256/a6/69/a6693a61c17b4d18b7c7130a68022d3022da1e0524823747a0fdae36d34323ae
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5725B8B5BF7BC87D85256CC2000A9471.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3144SW-D

## ADs that name it (0)

None.

## Approved models (4)

- Textron Aviation Inc. 210-5 (205) ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210-5A (205A) ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210B ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210C ([TCDS 3A21](https://openairdocs.org/tcds/3A21))

## 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 - SA3144SW-D This certificate issued to: Century Flight Systems, Inc.

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

Original Product - Type bertificate Number: ЗА21 Make: Cessna Murded: 210-5 (205), 210-5А (205А), 210В, 210С Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK604 consisting of Century I Autopilot with Optional Omni Tracker System according to Bulletin No. 728, Revision 1, dated 2-8-77 and Master Drawing List No. 87A866, Revision A, dated 2-8-77.

Linilalions and bendilions: FAA/DAS Supplemental Flight Manua1, P/N 685390, dated 6-11-76 is required for Cessna Models 210B and 210C.

FAA/DAS Approved Supplemental Flight Manual, P/N 685526, dated 2-22-77 is required for Cessna Models 210-5 (205) and 210-5A (205A) Eligible on 14 Volt Aircraft Only.

Date of Application: 5-26-76 Juke wissued: 2-22-77; 6-6-84, Revision 2 Date of Issuance: . 6-11-76 Date Amended:

FEDERA AVIATIO By dineNion fathe ildministrater Don P. Watson (Signalure) TO MINIST RATO 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) (230185 preo sequins') from (Name of grantor) (Print or sype) (Address of grantor) (Number and sireel ;

Signature of grantor (In ink):

+ 118r. 0n. 1800-262-080

## Every issue (1)

- June 6, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a6/69/a6693a61c17b4d18b7c7130a68022d3022da1e0524823747a0fdae36d34323ae)

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