# STC SA3158SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK630 consisting of Century I Autopilot with Optional Omni Tracker.
- Applied: August 17, 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/b5/c0/b5c04e2c7d5328e8db00e867847ec9d87383dbf39b0f94b26d44dacec90a9f72
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9E6C201F61036DC885256CC2000A9499.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3158SW-D

## ADs that name it (0)

None.

## Approved models (2)

- Textron Aviation Inc. 210 ([TCDS 3A21](https://openairdocs.org/tcds/3A21))
- Textron Aviation Inc. 210A ([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: SA315854-D This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. O. Box 610 Mineral Wells, TX 76067 Purt 3 of the CiVI1 AIT Regulations.

Original Product -Iype Prentificate Number: 3A21 Make: Cessna Mired: 210, 210A Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK630 consisting of Century I Autopilot with Optional Omni Tracker according to Bulletin No.

757, dated 8-16-76 and Master Drawing List No. 87A879, dated 8-16-76.

FAA/DAS Approved Supplemental Flight Manual, P/N 685404, dated 9-7-76 is required

Date of Application: 8-17-76 Jule missused: 6-6-84, Revision 1 Date of Issuance: . 9-7-76 Jale umended:

FEDERAL AVIATION By Direction of the Administrator Don P. Watson (Signature ) TO 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) from (Name of grantor) (Print or type).

(Address of grantor) (Number and sireel;

Signature of grantor (In ink):.

+11 = r. 0~. 1090-962-000

## Every issue (1)

- June 6, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b5/c0/b5c04e2c7d5328e8db00e867847ec9d87383dbf39b0f94b26d44dacec90a9f72)

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