# STC SA2356NM - Type: Supplemental type certificate - Status: Current, Amended - Holder: Knots 2U Ltd., United States - Description: Installation of Knots 2U, Ltd Landing/Recognition Lights Kit - Applied: January 13, 1984 - Status date: March 29, 2010 - Product: Aircraft, Single-Engine - Certification basis: Part 21 - Data sheets: [TCDS 2A13](https://openairdocs.org/tcds/2A13), [TCDS A3SO](https://openairdocs.org/tcds/A3SO) - Certificate PDF: https://openairdocs.org/files/sha256/5d/8c/5d8c435afb9bd247ea9b7782f21e4ad1eefac70810a15e4bfd3072e4941326a7 - Approved model list and other attachments: [SA2356NM AML.pdf](https://openairdocs.org/files/sha256/4f/d6/4fd62e2b7535bb70d914a02b07d465cce8943f6bc0a04156311db2f416c4015c) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/ADEF209D2A05DD05862576FF0049AEF5.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA2356NM ## ADs that name it (0) None. ## Approved models (17) - Piper Aircraft Inc. PA-28-151 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28-161 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28-181 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28-236 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28R-201 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28R-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28RT-201 ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-28RT-201T ([TCDS 2A13](https://openairdocs.org/tcds/2A13)) - Piper Aircraft Inc. PA-32-301 ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32-301FT ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32-301T ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32-301XTC ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32R-301 (HP) ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32R-301 (SP) ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32R-301T ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) - Piper Aircraft Inc. PA-32RT-300T ([TCDS A3SO](https://openairdocs.org/tcds/A3SO)) ## 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 * Regulations. * Installation of Knots 2U, Ltd Landing/Recognition Lights Kit in accordance with Knots 2U, Ltd Installation Instructions as listed on AML SA2356NM, issued March 29, 2010, or later FAA approved revision. NOTE: This Installation kit includes a fiberglass wing tip, 100 watt light and a clear plastic lens in each wing tip. 1. The installer must determine whether this design change is compatible with previously approved modifications. 2. A copy of this Certificate and FAA Approved Model List (AML) No. SA2356NM, issued August 14, 2008, or later FAA approved revisions, must be maintained as part of the permanent records for the modified aircraft. 3. The fiberglass wing tips with landing/recognition lights are to be inspected and maintained in accordance with Knots 2U, Ltd Installation Instructions as listed on AML No. SA2356NM, issued March 29, 2010, or later FAA approved revisions. 4. 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. Knots 2U Ltd 703 Airport Road Burlington, WI 53106 * (see attached FAA Approved Model Make : * List (AML) No. SA2356NM for list of Model : * Approved models and applicable airworthiness regulations) Date of application : January 13, 1984 Date of issuance : March 06, 1984 Date reissued : 2/20/07; 10/18/07 Date amended : 2/20/07; 10/18/07; 8/14/08, 03/29/2010 ( Signature) Mary Ellen A. Schutt Manager Airframe & Administrative Branch Chicago Aircraft Certification Office ( Title) FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES Number ### SA2356NM AML.pdf **FAA APPROVED MODEL LIST (AML) NO. SA2356NM KNOTS 2U, LTD.** FOR INSTALLING LANDING/RECOGINITION LIGHTS ISSUE DATE: 8/14/08 **ITEM** **AIRCRAFT** **AIRCRAFT** **ORIGINAL TYPE** **CERTIFICATION BASIS** **INSTALLATION** **INSTRUCTIONS** AFM AML **MAKE MODEL CERTIFICATE NUMBER FOR** **ALTERATION** **NUMBER** **REVISION NO. & DATE** **SUPPLEMENT** **NUMBER/DATE** **AMENDMENT DATE** Page 1 of 1 1 Piper Aircraft, Inc. PA-28-151, PA-28-161, PA-28-181, PA-28-236, PA-28-201T, PA-28R-201, PA-28R-201T, PA-28RT-201, PA-28RT-201T 2A13 CAR 3 Installation and Maintenance Manual No. RMD-00160-PS Revision D, Dated 2/5/2010 N/A -- 2 Piper Aircraft, Inc. PA-32-301 PA-32-301T PA-32R-301, PA-32R-301T PA32R-301(SP) PA-32R-301(HP) PA-32-301FT PA-32-301XTC A3SO CAR 3 Installation and Maintenance Manual No. RMD-00160-PS Revision D, Dated 2/5/2010 N/A 3/29/2010 Original signed by: Orig FAA APPROVED: Mary Ellen A. Schutt O Mary Elle n A. Schutt Manager Airframe & Administrative Branch Chicago Ai rcraft Certification Office ## Every issue (4) - March 29, 2010: Amended, Current. [certificate](https://openairdocs.org/files/sha256/5d/8c/5d8c435afb9bd247ea9b7782f21e4ad1eefac70810a15e4bfd3072e4941326a7), [SA2356NM AML.pdf](https://openairdocs.org/files/sha256/4f/d6/4fd62e2b7535bb70d914a02b07d465cce8943f6bc0a04156311db2f416c4015c) - August 14, 2008: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/93/90/9390592ea3f38d4eee10ea4b4ca2a79f555097797ea8ee3f7e19fe560a3b99d3), [SA2356NM AML.pdf](https://openairdocs.org/files/sha256/0c/e4/0ce418bf634b8cdb608c0d957a98732dfb062b9991755df2f65e60d095e9273f) - October 18, 2007: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/fe/e3/fee38e399b0e49b89c2969ecb3ac560731fbf033e6eaa547f4fcbe5e5084ec5c) - February 20, 2007: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/60/a2/60a284667b19e268ea4089245b3911c4527282c3eea3ed335d4e6896beca9f2c) --- 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.