# STC SA04161CH - Type: Supplemental type certificate - Status: Current, Issued - Holder: SRS Aviation, LLC., United States - Description: Installation of Aluminum Aileron skins in place of Magnesium Aileron skins - Applied: January 1, 2016 - Status date: January 20, 2017 - Product: Aircraft, Small Airplane - Certification basis: Part 21 - Data sheets: [TCDS A14CE](https://openairdocs.org/tcds/A14CE), [TCDS 5A4](https://openairdocs.org/tcds/5A4), [TCDS A31CE](https://openairdocs.org/tcds/A31CE), [TCDS 3A20](https://openairdocs.org/tcds/3A20) - Certificate PDF: https://openairdocs.org/files/sha256/f4/80/f4802f3047486bfa28619d544cfa67db3307e4f4fe69b66c47b371164acf7029 - Approved model list and other attachments: [SA04161CH_AML.pdf](https://openairdocs.org/files/sha256/6e/5e/6e5e7e4a9bcd2e03c6ca1d8a191399b4ad83583c6db45412f17396f482f0270d) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/74CB96460D36F2C8862580DD0051950A.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA04161CH ## ADs that name it (0) None. ## Approved models (47) - Beechcraft Corporation 100 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Beechcraft Corporation 50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Beechcraft Corporation 99 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Beechcraft Corporation 99A ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Beechcraft Corporation A100 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Beechcraft Corporation A100A ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Beechcraft Corporation A100C ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Beechcraft Corporation A99A ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Beechcraft Corporation B100 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Beechcraft Corporation B50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Beechcraft Corporation B99 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Beechcraft Corporation C50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Beechcraft Corporation C99 ([TCDS A14CE](https://openairdocs.org/tcds/A14CE)) - Beechcraft Corporation D50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Beechcraft Corporation D50A ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Beechcraft Corporation D50B ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Beechcraft Corporation D50C ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Beechcraft Corporation D50E ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Beechcraft Corporation D50E-5990 ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Beechcraft Corporation E50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Beechcraft Corporation F50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Beechcraft Corporation F90 ([TCDS A31CE](https://openairdocs.org/tcds/A31CE)) - Beechcraft Corporation G50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Beechcraft Corporation H50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Beechcraft Corporation J50 ([TCDS 5A4](https://openairdocs.org/tcds/5A4)) - Textron Aviation Inc. 65 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. 65-80 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. 65-88 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. 65-90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. 65-A80 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. 65-A80-8800 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. 65-A90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. 65-A90-1 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. 65-A90-2 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. 65-A90-3 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. 65-A90-4 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. 65-B80 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. 70 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. A65 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. A65-8200 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. B90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. C90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. C90A ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. C90GT ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. C90GTi ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. E90 ([TCDS 3A20](https://openairdocs.org/tcds/3A20)) - Textron Aviation Inc. 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. Part -of the Federal Aviation R egulations. (See attached AML for complete certification basis). Original Product --Type Certificate N umber : This STC is for the Installation of Aluminum Aileron skins in place of Magnesium Aileron skins in accordance with SRS Aviation, LLC, “Corrugated Aileron Conversion Kit” Drawing 50-130002-KIT-LHRH, Revision A, dated 15 Sep 2016 or"King Air Aileron LH Skin Kit" drawing 99-130000-KIT-LH, Revision A dated 15 Sep 2016, or "King Air Aileron RH Skin Kit" drawing 99-130000- KIT-RH, Revision A dated 15 Sep 2016, dated January 11, 2017, or later FAA approved revisions. 1. The installer must determine whether this design change is compatible with previously approved modifcation. 2. A copy of this cetifcate and FAA Approved Model List (AML) No. SA04161CH, issued January 20, 2017, or later FAA revision, 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 a product, the holder must give the other person written evidence of that permission. SRS Aviation, LLC. 6901 217th St. E Prior Lake, MN 55372 3A20, A14CE, 5A4, A31CE M ake : Beechcraft Corporation M odel : 50 (L-23A), 65 (L-23F), 65-90, 99, 100 Date of application : January 1, 2016 Date of issuance : January 20, 2017 B y direction of the A dministrator Original Signed By: Karol Mordasiewicz (Signature) Karol Mordasiewicz Manager, Airframe & Administrative Branch Chicago Aircraft Certification Office FAA FORM 8110-2-1(10-69) PAGE 2 of 3 PAGES Number FAA FORM 8110-2-1(10-69) PAGE 3 of 3 PAGES -END-- ### SA04161CH_AML.pdf **FAA APPROVED MODEL LIST (AML) SA04161CH SRS AVIATION, LLC.** Aileron Aluminum Conversion Modification Kits. Issue Date: January 20, 2017 Page 1 of 2 **AIRCRAFT MAKE** **AIRCRAFT MODEL** **ORIGINAL TYPE** **CERTIFICATE NUMBER** **CERTIFICATION** **BASIS FOR** **ALTERATION** **INSTALLATION** **INSTRUCTIONS AML** **AMENDMENT DATE ITEM** **NUMBER** **REVISION NO.** **AND DATE** 1 Beechcraft Corporation 65-A90, 65-A90-1(JU-21A) (U-21A) (RU-21A) (RU-21D) (U-21G) (RU-65-21H), A90-2(RU-21B), 65-A90-3(RU-21C), 65-A90-4 (RU-21E) (RU-21H), B90, C90, C90A, C90GT, C90GTi, E90, H90 3A20 CAR 3 and Amendments Listed in TCDS No. 3A20 99-130000- KIT-LH Revision A, dated 09/15/2016 or later FAA approved revision 2 Beechcraft Corporation 65-A90, 65-A90-1(JU-21A) (U-21A) (RU-21A) (RU-21D) (U-21G) (RU-65-21H), A90-2(RU-21B), 65-A90-3(RU-21C), 65-A90-4 (RU-21E) (RU-21H), B90, C90, C90A, C90GT, C90GTi, E90, H90 3A20 CAR 3 and Amendments Listed in TCDS No. 3A20 99-130000- KIT-RH Revision A, dated 09/15/2016 or later FAA approved revision 3 Beechcraft Corporation F90 A31CE FAR 23 and Amendments Listed in TCDS No. A31CE 99-130000-KIT-LH Revision A, dated 09/15/2016 or later FAA approved revision 4 Beechcraft Corporation F90 A31CE FAR 23 and Amendments Listed in TCDS No. A31CE 99-130000-KIT-RH Revision A, dated 09/15/2016 or later FAA approved revision 5 Beechcraft Corporation 99, 99A, A99A, B99, C99, 100, A100(U-21F), A100A, A100C, B100 A14CE FAR 23 and Amendments Listed in TCDS No. A14CE 99-130000-KIT-LH Revision A, dated 09/15/2016 or later FAA approved revision 6 Beechcraft Corporation 99, 99A, A99A, B99, C99, 100, A100(U-21F), A100A, A100C, B100 A14CE FAR 23 and Amendments Listed in TCDS No. A14CE 99-130000-KIT-RH Revision A, dated 09/15/2016 or later FAA approved revision **FAA APPROVED MODEL LIST (AML) SA04161CH SRS AVIATION, LLC.** Aileron Aluminum Conversion Modification Kits. Issue Date: January 20, 2017 Page 2 of 2 **AIRCRAFT MAKE** **AIRCRAFT MODEL** **ORIGINAL TYPE** **CERTIFICATE NUMBER** **CERTIFICATION** **BASIS FOR** **ALTERATION** **INSTALLATION** **INSTRUCTIONS AML** **AMENDMENT DATE ITEM** **NUMBER** **REVISION NO.** **AND DATE** 7 Beechcraft Corporation 50(L-23A), B50(L-23B), C50, D50(L-23E), D50A, D50B, D50C, D50E(L-23D, RL-23D), D50E-5990, E50, F50, G50, H50, J50 5A4 CAR 3 and Amendments Listed in TCDS No. 5A4 50-130002- KIT-LHRH Revision A, dated 09/15/2016 or later FAA approved revision 8 Beechcraft Corporation 65(L-23F), A65, A65-8200, 65-80, 65-A80, 65-A8800, 65-B80,65-88, 65-90, 65-A90, 70 3A20 CAR 3 and Amendments Listed in TCDS No. 3A20 50-130002- KIT-LHRH Revision A, dated 09/15/2016 or later FAA approved revision Original Signed By: Karol Mordasiewicz FAA Approved: Karol Mordasiewicz Manager, Airframe & Administration Branch Chicago Aircraft Certification Office Issued Date: January 20, 2017 ## Every issue (1) - January 20, 2017: Issued, Current. [certificate](https://openairdocs.org/files/sha256/f4/80/f4802f3047486bfa28619d544cfa67db3307e4f4fe69b66c47b371164acf7029), [SA04161CH_AML.pdf](https://openairdocs.org/files/sha256/6e/5e/6e5e7e4a9bcd2e03c6ca1d8a191399b4ad83583c6db45412f17396f482f0270d) --- 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.