# STC SA3120SW-D

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Mitchell Automatic Flight System Model AK572 consisting of a
Century I Autopilot with Optional Omni Tracker.
- Applied: March 1, 1976
- Status date: June 5, 1984
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A12SO](https://openairdocs.org/tcds/A12SO)
- Certificate PDF: https://openairdocs.org/files/sha256/24/e1/24e1144a57c7e8a2d119c7cbaa23ede37a49a26579a5a33e885da590504e222d
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/81C80733E2E436C185256CC2000A9416.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3120SW-D

## ADs that name it (0)

None.

## Approved models (6)

- Commander Aircraft Corporation 112 ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))
- Commander Aircraft Corporation 112B ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))
- Commander Aircraft Corporation 112TC ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))
- Commander Aircraft Corporation 112TCA ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))
- Commander Aircraft Corporation 114 ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))
- Commander Aircraft Corporation 114A ([TCDS A12SO](https://openairdocs.org/tcds/A12SO))

## 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: SA312054-D This certificate issued to: Century Flight Systems, Inc.

F.M. 1195 P. O. Box 610 Mineral Wells, TX 76067 Pure 23 of the Federal Aviation Regulations:

Original Product - Type Certificate Number: A12SO Make: Rockwell Commander Model: 112, 112B, 112TC, 112TCA, 114 and 114A Description of Type Design Change:

Installation of Mitchell Automatic Flight System Model AK572 consisting of a Century I Autopilot with Optional Omni Tracker according to Bulletin No. 696, Revision 4, dated 1-10-79 and Master Drawing List No. 87A822, Revision D, dated 1-10-79 (14 Volt System) and/or later FAA Approved Revisions of the above data.

Limitations and Conditions: The following FAA/DAS Approved Pilot's Operating Handbook Supplements are required: P/N 68S327-1, dated 1-23-79 for Rockwell Commander 114 and 114A; P/N 68S377-1, dated 4-29-76, revised 12-23-76 for Rockwell Commander 112TC and 112TCA, P/N 68S430, dated 10-11-76 for Rockwell Commander 112B. FAA/DAS Approved Airplane Flight Manual Supplement, P/N 68S361, dated 3-19-76 is required for Rockwell Commander Model 112 and/or later FAA Approved Revisions of the above Supplement.

compatibility of this modification with other previously approved modification:

Date of Application: 3-1-76 Seeke missues: 4-29-76; 10-11-76; 12-23-76;

2-23-79; 6-05-84, Revision 5 Date of Issuance: 3-19-76 Date Amended:

FEDERAL AVIATIO By Direction of the Administrator • o Don P. Watson (Signature ) *OMINISTR Manager, Aircraft Certification Division Southwest Region (Title) 47 FAA FoRx 8110-2 (10-68)

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) - (pes pro sequent) (City, Stale, and 2IP code) from (Name of grantor) (Print or type) - (Address of grantor) (Number and sireel;

(spos did press g) Extent of Authority (if licensing agreement):

Date of Transier:

Signature of grantor (In int): - 0-282-980

## Every issue (1)

- June 5, 1984: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/24/e1/24e1144a57c7e8a2d119c7cbaa23ede37a49a26579a5a33e885da590504e222d)

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