# STC SA04165CH - Type: Supplemental type certificate - Status: Current, Reissued - Holder: D'Shannon Products Ltd., United States - Description: Installation of an Enhanced Exhaust System, D Shannon Products, Ltd. kit DSP-KIT-15-009 - Applied: July 21, 2012 - Status date: January 17, 2014 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21 - Data sheets: [TCDS A-777](https://openairdocs.org/tcds/A-777), [TCDS 3A15](https://openairdocs.org/tcds/3A15) - Certificate PDF: https://openairdocs.org/files/sha256/1d/b5/1db5d6144c0911d1ffdf8531a6165d2486ba9c2eb8126e3e6058f72d9f9f1e37 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/38F1BC9CCD473219862580B50057F9F5.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA04165CH ## ADs that name it (0) None. ## Approved models (30) - Beechcraft Corporation 35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation 35R ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation A35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation B35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation C35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation D35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation E35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation F35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Beechcraft Corporation G35 ([TCDS A-777](https://openairdocs.org/tcds/A-777)) - Textron Aviation Inc. 35-33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. 35-A33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. 35-B33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. 35-C33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. 35-C33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. E33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. E33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. F33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. F33A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. F33C ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. G33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. H35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. J35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. K35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. M35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. N35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. P35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. S35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. V35 ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. V35A ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) - Textron Aviation Inc. V35B ([TCDS 3A15](https://openairdocs.org/tcds/3A15)) ## 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. Part 3 of the Civil Aviation Regulations. Original Product--Type Certificate Number: 3A15, A-777 Make: Beechcraft Corporation Model: 35-33, 35-A33, 35-B33, 35-C33, 35-C33A, E33, E33A, E33C, F33, F33A, F33C, G33, 35, A35, B35, C35, D35, E35, F35, G35, 35R, H35 J35, K35, M35, N35, P35, S35, V35, V35A, V35B, 36, A36, G36 Description of Type Design Change: Installation of an Enhanced Exhaust System, D’Shannon Products, Ltd. kit DSP-KIT-15-009. Installation Instructions as listed on DSP-IM-15-009, revision IR, dated January 12, 2016, and drawing list DSP-DL-15-009, revision 1, dated January 6, 2016, or later FAA approved revision. 1. Compatibility of this design change with previously approved modifications must be determined by the installer. 2. A copy of this Certificate must be maintained as part of the permanent records for the modified aircraft. 3. 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. D’Shannon Products, Ltd. 1309 County Road 134 Buffalo, MN 55313 Date of application : July 21, 2012 Date of issuance : January 13, 2017 Date reissued : January 17, 2017 (Signature) Roy E. Boffo Manager, Propulsion and Project Management Branch Chicago Aircraft Certification Office (Title) ## Every issue (1) - January 17, 2014: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/1d/b5/1db5d6144c0911d1ffdf8531a6165d2486ba9c2eb8126e3e6058f72d9f9f1e37) --- 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.