# STC SA09545AC-D - Type: Supplemental type certificate - Status: Current, Issued - Holder: S-TEC Corporation, United States - Description: Installation of Avidyne Primary Flight Display. - Applied: November 11, 2006 - Status date: March 8, 2007 - Product: Aircraft, Small Multi-Engine - Certification basis: Part 21, Part 23, Part 34, Part 36 - Data sheets: [TCDS 3A20](https://openairdocs.org/tcds/3A20) - Certificate PDF: https://openairdocs.org/files/sha256/bd/4c/bd4cf4cac12929abb9b83cc0790acebfd2baf976cb52e645cbdb7703097a0be5 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/759AB3A7FFF07E18862572AE005468D4.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA09545AC-D ## ADs that name it (3) - [AD 2009-05-05](https://openairdocs.org/ad/2009-05-05): Primary Flight Displays · Avidyne Primary Flight Display (S-TEC STC SA09543AC-D or 2 others). Effective Apr 3, 2009. Named in the applicability - [AD 2008-06-28](https://openairdocs.org/ad/2008-06-28) (historical): Primary flight display · Avidyne Primary Flight Display (S-TEC STC SA09543AC-D or 2 others). Effective Apr 10, 2008. Named in the applicability - [AD 2008-06-28 R1](https://openairdocs.org/ad/2008-06-28-R1) (historical): Primary Flight Displays (PFDs) · Avidyne Primary Flight Displays, 441, LC41-550FG and 22 more. Effective Apr 10, 2008. Cited in the text ## Approved models (10) - Raytheon Aircraft Company 65-90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Raytheon Aircraft Company 65-A90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Raytheon Aircraft Company 65-A90-1 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Raytheon Aircraft Company 65-A90-4 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Raytheon Aircraft Company B90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Raytheon Aircraft Company C90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Raytheon Aircraft Company C90A ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Raytheon Aircraft Company C90GT ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Raytheon Aircraft Company E90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Raytheon Aircraft Company H90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) ## 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. Number SA09545AC-D This Certificate issued to Part 23 of the Federal Aviation Regulations. (For Certification Basis see Continuation Sheet 3 and 3) Description of Type Design Change 1. Installation of Avidyne Primary Flight Display in accordance with Master Data List ST-926-L-0001, Revision A, dated 3-06-07, or later FAA approved revisions. 2. FAA/DAS approved Airplane Flight Manual Supplement No. ST-926-M-0001, dated 3-08-07, or later FAA approved revision is required. 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, TX 76067-9236 3A20 Raytheon Aircraft Company Make : Model : 65-90; 65-A90; 65-A90-1; 65-A90-4; B90; C90; E90; H90; C90A; C90GT (Signature) Randy D. Harper DAS 100.4 DAS Administrator, DAS70006SW (Title) Date of application : November 11, 2006 Date of issuance : March 08, 2007 Number SA09545AC-D Date Issued: 3-08-07 Limitations and Conditions (continued) 2. Only eligible on models 65-90 S/N: LJ-1 throug h LJ-113 (except LJ-76); 65- A90 S/N: LJ-76, and LJ- 114 through LJ-317; 65-A90-1 S/N: LM-1 and up; 65- A90-4 S/N: LU-1 and up; B90, S/N: LJ-318 through LJ-501; C90, S/N: LJ-502 through LJ-1062; E90, S/N: LW-1 and up; H90, S/N: LL-1 and up; C90A, S/N: LJ-1063 through LJ-1726, LJ-1728 through LJ-1753, and LJ-1755; C90GT, S/N: LJ-1727, LJ-1754, and LJ-1756 and up. 3. If the holder agrees to permit another person to use this certificate to alter the product, the holder must give the other person written evidence of that permission. Certification Basis: Compliance determination used for this STC FAR 23.301 Amdt 23-48 FAR 23.1311 Amdt 49 FAR 23.1543 Amdt 50 FAR 23.303 Amdt - FAR 23.1321 Amdt 23-49 FAR 23.1545 Amdt 50 FAR 23.305 Amdt 23-45 FAR 23.1322 Amdt 23-43 FAR 23.1555 Amdt 23-50 FAR 23.307 Amdt - FAR 23.1323 Amdt 49 FAR 23.1559 Amdt 50 FAR 23.561 Amdt 23-48 FAR 23.1325 Amdt - FAR 23.1581 Amdt 23-50 FAR 23.571 Amdt 23-48 FAR 23.1326 Amdt 49 FAR 23.1583 Amdt 23-50 FAR 23.573 Amdt 23-48 FAR 23.1327 Amdt - FAR 23.1585 Amdt 23-50 FAR 23.575 Amdt 23-48 FAR 23.1329 Amdt 49 FAR 34 Amdt 34-3 FAR 23.601 Amdt - FAR 23.1331 Amdt 43 FAR 36 Amdt 36-25 FAR 23.603 Amdt 23-23 FAR 23.1335 Amdt 23-20 Special Cond 23-133-SC FAR 23.605 Amdt 23-23 FAR 23.1351 Am dt 23-49 Special Cond Letter 01/21/1963 FAR 23.607 Amdt 23-48 FAR 23.1353 Amdt 49 Special Cond Letter 02/15/1963 FAR 23.609 Amdt - FAR 23.1357 Am dt 23-43 Special Cond Letter 02/27/1963 FAR 23.611 Amdt 23-48 FAR 23.1359 Am dt 23-49 Special Cond Letter 05/05/1965 FAR 23.613 Amdt 23-45 FAR 23.1361 Amdt 49 Special Cond Letter 11/08/1961 FAR 23.619 Amdt 23-7 FAR 23.1365 Amdt 23-49 CAR 3 as of 05/15/1956 (As Requ’d) FAR 23.625 Amdt 23-7 FAR 23.1367 Amdt - FAR 23.1357 Amdt 23-43 FAR 23.627 Amdt - FAR 23.1381 Amdt - FAR 23.1581 Amdt 23-50 FAR 23.771 Amdt 14 FAR 23.1431 Am dt 23-49 FAR 23.1583 Amdt 23-50 FAR 23.773 Amdt 45 FAR 23.1501 Amdt 23-21 FAR 23.777 Amdt 51 FAR 23.1523 Amdt 34 FAR 23.867 Amdt 23-49 FAR 23.1525 Amdt 23-45 FAR 23.1301 Amdt 23-20 FAR 23.1527 Amdt 23-45 FAR 23.1303 Amdt 49 FAR 23.1529 Amdt 23-26 FAR 23.1309 Amdt 23-49 FAR 23.1541 Amdt 23-21 – END – FAA Form 8110-2-1(10-69) Page 2 of 3 ## Every issue (1) - March 8, 2007: Issued, Current. [certificate](https://openairdocs.org/files/sha256/bd/4c/bd4cf4cac12929abb9b83cc0790acebfd2baf976cb52e645cbdb7703097a0be5) --- 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.