# STC SA3456SW-D

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Century automatic flight systems, Model AK961 consisting of a Century 2110/2130/2131 autopilot.
- Applied: February 13, 1987
- Status date: February 19, 1987
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A3](https://openairdocs.org/tcds/2A3)
- Certificate PDF: https://openairdocs.org/files/sha256/09/54/0954794a35fb86a3afac984f55fc73e400c37033e59398dc5f907c73659fe107
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/0A89E04F905E733E85256CC2000A9842.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3456SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Mooney International Corporation M20J ([TCDS 2A3](https://openairdocs.org/tcds/2A3))

## 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.

flmtrt States of aorta Bepartment of transportation—federal Stoiation administration Supplemental t^pe Certificate iSutymvev SA3456SW-D P.M. 1195 P.O. Box 610 Mineral Wells, TX 76067 3 Civil Air <Sle-a4i£a£{>nA.

(ktai-njd iMwcutet —— dyAe* 2 A3 Mooney M20J Installation of Century Automatic Flight Systems, Model AK961 consisting of a Century 2110/2130/2131 Autopilot per Bulletin No. 2017, dated 2-04-87 and Master Drawing List No. 87A1171, dated 2-04-87 and/or later FAA/DAS approved revision. (28 Volt System) FAA Approved Supplement to Pilot's Operating Handbook and/or FAA/DAS approved Airplane Flight Manual Supplement, P/N 68S998 dated 2-11-87. Also Century 2000 Autopilot Operator's Manual P/N 68S1035, dated 7-15-86 and/or later FAA/ DAS revision.

Compatibility of this modification with, other previously approved modifications must be determined by the installer.

: 2-13-87 2-19-87 (Signaturt) William 3. Thomas DAS Staff Coordinator DAS 7 SW (Title) ~

This ctrtificate may bt transfnrtd in accordant* with FAR 21.47.

FAA fo«M •110-2(10-68)

INSTRUCTIONS: The transfer<• ndorsement below m.y be u~d to notify .he appropriate FAA Regional Office of the tr»ntfer of ihii Supplemental Type Certificate.

The FAA will remue the certificate in the name of the traniferee and forward i( to him.

TRANSFER ENDORSEMENT Transfer die ownership of Supplemental Type Certificate Number to (None of transferee).

(Address of transferee). (,Vumter »nd strtt) from (Name of grantor) (Print or type).

(Address of grantor) ttietl) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

it c r. o n

## Every issue (1)

- February 19, 1987: Issued, Current. [certificate](https://openairdocs.org/files/sha256/09/54/0954794a35fb86a3afac984f55fc73e400c37033e59398dc5f907c73659fe107)

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