# STC SA3485SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Century automatic flight system model AK992 consisting of a Century 2110/2130/2131/2150/2151 autopilot.
- Applied: February 15, 1990
- Status date: November 13, 1992
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A51EU](https://openairdocs.org/tcds/A51EU)
- Certificate PDF: https://openairdocs.org/files/sha256/a0/c0/a0c0f2becee306c577148c2fa816312fe07c8f6cd97227b98d5aa3458be27635
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/9A9E189E190C708886257DC4005972C7.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA3485SW-D

## ADs that name it (0)

None.

## Approved models (3)

- SOCATA TB 10 ([TCDS A51EU](https://openairdocs.org/tcds/A51EU))
- SOCATA TB 20 ([TCDS A51EU](https://openairdocs.org/tcds/A51EU))
- SOCATA TB 21 ([TCDS A51EU](https://openairdocs.org/tcds/A51EU))

## 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.

United States of amtrica Bepartment of transportation—federal atoiation administration Supplemental Itgpe Certificate SA3485SW-D Century Flight Systems, Inc.

F. M. 1195 P. 0. Box 610 Mineral Wells, TX 76067 'jiwf^<£wf<d6(>uftM^fiwdu^.{t>t^Jn& 'M*wt>f>?w^m4^^wjiM*rfv?ienfa^&t^ 23 ^^f Federal Air A51EU SOCATA TB-10, TB-20, TB-21 Installation of Century Automatic Flight System Model AK992 consisting of a Century 2110/2130/2131/2150/2151 Autopilot per Bulletin No. 2050, dated 02-15-90 Rev. 2 dated 11-10-92, and Master Drawing List No. 87A1215, dated 02-15-90 Rev.

B dated 11-10-92 and/or later FAA/DAS approved revision.

FAA/DAS approved Pilot's Operating Handbook and FAA/DAS approved Airplane Flight Manual Supplement, P/N 68S1047 dated 02-15-90 Rev. 1 dated 11-11-92 and/or later FAA/DAS approved revision. Also Century 2000 Autopilot Operator's Manual P/N 68S1035 dated 7-15-86 and/or later FAA/DAS approved revision.

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

i^^ /.deiL?rMWsad^ 02-15-90 03-13-90 QL^^m^u^: 11-13-92 Rev. 1 MichJ Manager Airplane Certification Office ASW-150 (Title)

**FAA FOIM 8110-2(10-68)**

INSTRUCTIONS: The transfer endowment below m.y be used ,o no«ify the appropriate FAA Kepona. Office of the transfer of thu Supplemental Type Certificate.

The FAA will reissue the cenificatc in the name of ihe transferee and forward ii to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee). (Mumtamtd strut) from (Name of grantor) (Print or type).

(Address of grantor) Extent of Authority (if licensing agreement): _ Date of Transfer:.

Signature of grantor (In ink):

## Every issue (1)

- November 13, 1992: Amended, Current. [certificate](https://openairdocs.org/files/sha256/a0/c0/a0c0f2becee306c577148c2fa816312fe07c8f6cd97227b98d5aa3458be27635)

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