# STC SA09541AC-D - Type: Supplemental type certificate - Status: Current, Amended - Holder: S-TEC Corporation, United States - Description: Installation of S-TEC System 55X Automatic Flight Guidance System Roll Servo - Applied: August 31, 2006 - Status date: December 14, 2006 - Product: Aircraft, Small Multi-Engine - Certification basis: Part 21, Part 23, Part 36 - Data sheets: [TCDS A00009CH](https://openairdocs.org/tcds/A00009CH) - Certificate PDF: https://openairdocs.org/files/sha256/0a/08/0a08a72d68911b46455fbff07ba7cbf3316146139fa46efb4ca1d7e01f2dff8b - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/43D062998868B9478625725100668944.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA09541AC-D ## ADs that name it (0) None. ## Approved models (1) - Cirrus Design Corporation SR22 ([TCDS A00009CH](https://openairdocs.org/tcds/A00009CH)) ## 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. This Certificate issued to 23 of the Federal Aviation Regulations. (For Certification Basis See Continuation Sheet 3 of 3) 1. Installation of S-TEC System 55X Automatic Flight Guidance System Roll Servo Installation, in accordance with Master Data List No. ST-924-L-0001, Revision B, dated 12-14-06 or later FAA Approved revisions of the above data. 2. FAA/DAS Approved Pilot's Operating Handbook and/or Airplane Flight Manual Supplement No. ST-924-M-0001, Revision -, dated 10-23-06 or later FAA approved revision is required for S-TEC System 55X Roll Servo for Cirrus Design, Model SR22 s/n 0001 and on. 1. Compatibility of this design change with previously approved modifications must be determined by the installer. S-TEC Corporation One S-TEC Way Mineral Wells Municipal Airport Mineral Wells, TX 76067-9236 A00009CH Make : Cirrus Design Corporation Model : SR22 s/n 0001 and on Date of application : 8/31/06 Date of issuance : 10/23/06 Date reissued : Date amended : December 14, 2006 By direction of the Administrator (Signature) James W. Smisek DAS 100.2 DAS Administrator, DAS700096SW (Title) FAA Form 8110-2-1(10-69) Page 2 of 3 Number SA09541AC-D Date Amended: 12/14/06 Limitations and Conditions (con’t.) 2. 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. Certification Basis: Compliance determination used for this STC FAR 23.301 Amdt 23-48 FAR 23.671 Amdt - FAR 23.303 Amdt - FAR 23.677(d) Amdt 23-49 FAR 23.305 Amdt 23-45 FAR 23.685 Amdt 23-17 FAR 23.307 Amdt - FAR 23.689 Amdt 23-7 FAR 23.395 Amdt 23-7 FAR 23.867 Amdt 23-49 FAR 23.407 Amdt - FAR 23.1301 Amdt 23-20 FAR 23.561 Amdt 23-48 FAR 23.1309 Amdt 23-49 FAR 23.573 Amdt 23-48 FAR 23.1329 Amdt 23-49 FAR 23.575 Amdt 23-48 FAR 23.1351 Amdt 23-49 FAR 23.601 Amdt - FAR 23.1357 Amdt 23-43 FAR 23.603 Amdt 23-23 FAR 23.1359 Amdt 23-49 FAR 23.605 Amdt 23-23 FAR 23.1365 Amdt 23-49 FAR 23.607 Amdt 23-48 FAR 23.1367 Amdt - FAR 23.609 Amdt - FAR 23.1525 Amdt 23-45 FAR 23.611 Amdt 23-48 FAR 23.1527 Amdt 23-45 FAR 23.613 Amdt 23-45 FAR 23.1529 Amdt 23-26 FAR 23.619 Amdt 23-7 FAR 34 Amdt 34-3 FAR 23.623 Amdt 23-7 FAR 36 Amdt 36-25 FAR 23.625 Amdt 23-7 FAR 23.627 Amdt - - END - ## Every issue (1) - December 14, 2006: Amended, Current. [certificate](https://openairdocs.org/files/sha256/0a/08/0a08a72d68911b46455fbff07ba7cbf3316146139fa46efb4ca1d7e01f2dff8b) --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.