# STC ST09718AC - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Sierra Industries Ltd., United States - Description: Installation of Artex C406 (406 MHz) Series emergency locator transmitter, antenna, and remote switch assembly - Applied: May 30, 2008 - Status date: July 31, 2017 - Product: Aircraft, Large Airplane - Certification basis: Part 21, Part 23, Part 25 - Data sheets: [TCDS A22CE](https://openairdocs.org/tcds/A22CE), [TCDS A27CE](https://openairdocs.org/tcds/A27CE) - Certificate PDF: https://openairdocs.org/files/sha256/e2/8c/e28cc0f4a23d195b80d4ec87f8e339efcaa15b7f47c49c0bde4dec926fdbb63f - Approved model list and other attachments: [ST09718ACAML.pdf](https://openairdocs.org/files/sha256/2d/b7/2db7abd03c3fd00701398398a9182ed62bd53c78f213654a565133dee76dc1be) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D88EF5A9F3ADB43386258726004C8290.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/ST09718AC ## ADs that name it (0) None. ## Approved models (6) - Textron Aviation Inc. 500 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE)) - Textron Aviation Inc. 501 ([TCDS A27CE](https://openairdocs.org/tcds/A27CE)) - Textron Aviation Inc. 550 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE)) - Textron Aviation Inc. 551 ([TCDS A27CE](https://openairdocs.org/tcds/A27CE)) - Textron Aviation Inc. 560 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE)) - Textron Aviation Inc. S550 ([TCDS A22CE](https://openairdocs.org/tcds/A22CE)) ## 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. FAA Form 8110-2 (5/14) Page 1 of 2 Reissued on July 31, 2017 to supersede the original STC, which has been lost or misplaced. Number: ST09718AC Part 23 and 25 of the Federal Aviation Regulations. Original Product – Type Certificate Number: See attached FAA Make: Approved Model List No. Model: ST09718AC for list of approved aircraft models and applicable airworthiness regulations. Installation of Artex C406 (406 MHz) Series emergency locator transmitter, antenna, and remote switch assembly in accordance with FAA Approved Model List (AML) ST09718AC, dated February 2, 2010, or later FAA approved revision (see AML for Master Drawing List No. and AFMS number). The installer must determine whether this design change is compatible with previously approved modifications. 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. Instructions for Continued Airworthiness (ICA) (see AML) must be made available to the operator at the time of installation. Date of Application: May 30, 2008 Date Reissued: July 31, 2017 Date of Issuance: February 2, 2010 Date Amended: Signature Title Jim Grigg Manager, Fort Worth A CO Branch, Compliance & Airworthiness Division Sierra Industries, Ltd. 122 Howard Langford Drive Uvalde, TX 78801 FAA Form 8110-2 (5/14) Page 2 of 2 Transfer the ownership of Supplemental Type Certificate Number: ST09718AC To (Name and address of transferee) From (Name and address of grantor) FAA Form 8110-2 (5/14) Page 3 of 2 ### ST09718ACAML.pdf FAA APPROVED MODEL LIST (AML) NO. – ST09718AC Original Issue Date: 2/2/2010 Reissued Date: 7/31/2017 Item Aircraft Make Aircraft Model Original Type Certificate Number Certification Basis for Alteration Master Drawing List Number (Configuration)* AFMS Supplement No. and Date* ICA Supplement No. and Date* AML Amendment Date 1 Cessna 500 A22CE Revision 64 Dated October 1, 2008 See TCDS SI440-000 Revision A Dated February 9, 2009 SI440-901, Revision IR, dated February 2, 2010. SI440-951, Revision A, dated January 10, 2010 2 Cessna 501 A27CE Revision 17 Dated October 11, 2007 See TCDS SI440-000 Revision A Dated February 9, 2009 SI440-901, Revision IR, dated February 2, 2010. SI440-951, Revision A, dated January 10, 2010 3 Cessna 550 A22CE Revision 64 Dated October 1, 2008 See TCDS SI440-000 Revision A Dated February 9, 2009 SI440-901, Revision IR, dated February 2, 2010. SI440-951, Revision A, dated January 10, 2010 4 Cessna 551 A27CE Revision 17 Dated October 11, 2007 See TCDS SI440-000 Revision A Dated February 9, 2009 SI440-901, Revision IR, dated February 2, 2010. SI440-951, Revision A, dated January 10, 2010 5 Cessna S550 A22CE Revision 64 Dated October 1, 2008 See TCDS SI440-000 Revision A Dated February 9, 2009 SI440-901, Revision IR, dated February 2, 2010. SI440-951, Revision A, dated January 10, 2010 6 Cessna 560 A22CE Revision 64 Dated October 1, 2008 See TCDS SI440-000 Revision A Dated February 9, 2009 SI440-901, Revision IR, dated February 2, 2010. SI440-951, Revision A, dated January 10, 2010 *Or later FAA approved date (or later FAA accepted date in case of the ICA) FAA Approved: ____________________________________ Jim Grigg, Manager Fort Worth ACO Branch, Compliance & Airworthiness Division Date July 31, 2017 ## Every issue (2) - July 31, 2017: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e2/8c/e28cc0f4a23d195b80d4ec87f8e339efcaa15b7f47c49c0bde4dec926fdbb63f), [ST09718ACAML.pdf](https://openairdocs.org/files/sha256/2d/b7/2db7abd03c3fd00701398398a9182ed62bd53c78f213654a565133dee76dc1be) - February 2, 2010: Issued, Historical. [certificate](https://openairdocs.org/files/sha256/13/c1/13c19bc3edca6320dedcd47c52d2ebaf4c27821b6abc7fd0865300649c60810d), [STC ST09718AC AML.pdf](https://openairdocs.org/files/sha256/ed/c1/edc1fd0e445b4717f16747bdfe55b321fd4a98b0610939a0647a601308b634b6) --- 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.