# STC SA3481SW-D

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Century Flight Systems Inc, United States
- Description: Installation of Century Automatic Flight System, Model AK988 consisting of a Century 2110/2130/2131/2150/2151 autopilot.
- Applied: October 10, 1988
- Status date: November 3, 2000
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 3A13](https://openairdocs.org/tcds/3A13)
- Certificate PDF: https://openairdocs.org/files/sha256/4c/ad/4cad1e30925db7e1baaa8dce4ba3528b428beb76f569d3eb7c2e11348edfc731
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8BDEE6BB63E021AC85256CC2000A987F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3481SW-D

## ADs that name it (0)

None.

## Approved models (1)

- Cessna Aircraft Company 182Q ([TCDS 3A13](https://openairdocs.org/tcds/3A13))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA3481SW-D This certificate issued to: Century Flight Systems, Inc.

3003 FM 1195 P.O. Box 610.

Mineral Wells, TX 76067 Part 3 of the Civil Air Regulalions.

Original Product Type Certificate Number: 3A13 Make: CESSNA Model: 182Q Description of Type Design Change: Installation of a Century Automatic Flight System Model AK988 Confe 1-01.00anu Master Drawing it 50. 51 Ago, dated Bull, No. on date d12-452 28 of System) or later FAA/DAS Approved revision.

Limitations and Conditions: FAA/DAS Approved Supplement to Pilot's Operating Handbook and/or FAA/DAS Approved Airplane Flight Manual Supplements P/N 68S1041 dated 09-30-88 Rev. 1 dated 12-15-92 and 68S1131 dated 11-03-00 for aircraft with Horton STOL or later FAA/DAS Approved Revision and Century 2000 Autopilot Operator's Manual P/N 68S1035, dated 7-15-86 revision dated 04-09-99 or later FAA Approved Revision.

Also eligible on above model when modified by STC SA950CE Horton STOL..

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

If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

1, 11-03-00 Rev. 2 By Direction of the Administrator FEDERAL AVIATION Setter R taken (Signature) TOMINSTRATO William R. Watson DAS Staff Coordinator DAS 7 SW (Title)

47.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) _ (Address of transferee) (259175 pro sequers") (Ciry, Stake, and IP code) from (Name of grantor) (Print or type) (Address of grantor) (Number and sireel;

( City, Stake, and ZIP codes Extent of Authority (if licensing agreement):

Date of Transier: _ Signature of grantor (In ink): - + 11= r. 0~. 1090-262-n80

## Every issue (1)

- November 3, 2000: Amended, Current. [certificate](https://openairdocs.org/files/sha256/4c/ad/4cad1e30925db7e1baaa8dce4ba3528b428beb76f569d3eb7c2e11348edfc731)

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