# STC SA4337NM - Type: Supplemental type certificate - Status: Current, Reissued - Holder: Knots 2U Ltd., United States - Description: Installation of landing/recognition lights inside the modified wing tip leading edge - Applied: April 1, 1988 - Status date: October 9, 2015 - Product: Aircraft, Small Airplane - Certification basis: Part 3, Part 21, Part 36 - Data sheets: [TCDS 3A24](https://openairdocs.org/tcds/3A24), [TCDS 3A12](https://openairdocs.org/tcds/3A12), [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS 3A13](https://openairdocs.org/tcds/3A13), [TCDS A4CE](https://openairdocs.org/tcds/A4CE) - Certificate PDF: https://openairdocs.org/files/sha256/b9/eb/b9ebe6f9d353c54633cd30898829462fd9f16970fd2edd51ec1c8a9617b035d1 - Approved model list and other attachments: [SA4337NM_AML.pdf](https://openairdocs.org/files/sha256/d6/f2/d6f21777806bef5006275c05514ae3a6a16d58851a1cc9544e21e4fac032784c) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5A5C3648D2254BAF86257EDD005B2D87.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA4337NM ## ADs that name it (0) None. ## Approved models (80, first 50) - Cessna Aircraft Company 185 ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Cessna Aircraft Company 185A ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Cessna Aircraft Company 185B ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Cessna Aircraft Company 185C ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Cessna Aircraft Company 185D ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Cessna Aircraft Company 185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Cessna Aircraft Company A185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Cessna Aircraft Company A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Textron Aviation Inc. 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172P ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172Q ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172R ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 172S ([TCDS 3A12](https://openairdocs.org/tcds/3A12)) - Textron Aviation Inc. 180J ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180K ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 182 ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182A ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182B ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182C ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182D ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182E ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182F ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182G ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182H ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182J ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182K ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182L ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182M ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182N ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182P ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182Q ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182R ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182S ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 182T ([TCDS 3A13](https://openairdocs.org/tcds/3A13)) - Textron Aviation Inc. 206 ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. 206H ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) - Textron Aviation Inc. P206 ([TCDS A4CE](https://openairdocs.org/tcds/A4CE)) All 80: https://openairdocs.org/stc/SA4337NM/models.md ## 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 SA4337NM This certificate, issued to KNOTS 2U, LTD 709 Airport Road Burlington, WI 53105 Part * of the * Regulations. Original ProductType Certificate Number:* * See attached Approved Model List (AML) Make: * No. SA4337NM for list of approved Model: * airplane models and applicable * airworthiness regulations. Description of the Type Design Change: Installation of landing/recognition lights inside the modified wing tip leading edge in accordance with R.M.D. Aircraft Lighting, Inc. Drawing List No. RMD-001100-C, Revision 1, dated August 4, 1988, and Installation Instructions Number RMD-001100-C, Revision 1, dated August 4, 1988, or later Federal Aviation Administration-approved revision. Note: This is eligible to replace Cessna wing tips P.N. 0723200-5/-6 only. Limitations and Conditions: Approval of this change in type design applies to the aircraft listed on AML SA4337NM only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other previously approved modifications, including changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft . A copy of this certificate must be maintained as part of the permanent records for the modified aircraft. Date of application: April 1, 1988 Date reissued: October 9, 2015 Date of issuance: July 20, 1988 Date amended: January 4, 1990 (Signature) Manager, Seattle Aircraft Certification Office (Title) ### SA4337NM_AML.pdf **FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SA4337NM FOR** INSTALLATION OF LANDING/RECOGNITION LIGHTS ISSUE DATE: July 20, 1988 Page 1 of 2 **ITEM AIRCRAFT MAKE** **AIRCRAFT MODEL** **ORIGINAL TC NUMBER** **CERTIFICATION** **BASIS FOR** **ALTERATION** **FAA APPROVED INSTALLATION** **INSTRUCTION** **AFM SUPPLEMENT** NUMBER AND DATE AML REV DATE Number Revision* Number Revision* **1. CESSNA** 172 Series 3A12 CAR Part 3 effective 11/1/49 as amended by 3-1 through 3-12. Equivalent Safety Items are listed in TCDS 3A12 RMD-001100-C Revision 1, dated 8/4/88 N/A 1/04/90 **2. CESSNA** 182 Series 3A13 CAR Part 3 effective 11/1/49 as amended by 3-1 through 3-12. FAR 36 dated 12/1/1969 plus amendments 36-1 thru 36-6 RMD-001100-C Revision 1, dated 8/4/88 N/A 1/04/90 **3. CESSNA** 185 Series 3A24 CAR Part 3 effective 5/15/56 as amended by 3-1 through 3-5 (Normal Category). Equivalent Safety Items are listed in TDCS RMD-001100-C Revision 1, dated 8/4/88 N/A 1/4/90 4. Cessna 206 Series A4CE CAR Part 3 effective 5/15/56 as amended by 3-8 through 3-8. Equivalent Safety Items are listed in TCDS A4ACE RMD-001100-C Revision 1, dated 8/4/88 N/A 1/4/90 **FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SA4337NM FOR** INSTALLATION OF LANDING/RECOGNITION LIGHTS ISSUE DATE: July 20, 1988 Page 2 of 2 **ITEM AIRCRAFT MAKE** **AIRCRAFT MODEL** **ORIGINAL TC NUMBER** **CERTIFICATION** **BASIS FOR** **ALTERATION** **FAA APPROVED INSTALLATION** **INSTRUCTION** **AFM SUPPLEMENT** NUMBER AND DATE AML REV DATE Number Revision* Number Revision* 5. Cessna 180J, 180K 5A6 CAR Part 3 dated 11/1/49 as amended by 3-1 through 3-12 except paragraphs listed in TCDS 5A6 RMD-001100-C Revision 1, dated 8/4/88 N/A 1/4/90 * Or later FAA Approved Revision FAA Approved: Manager, Seattle Aircraft Certification Office AMENDED: January 4, 1990 REISSUED: October 9, 2015 ## Every issue (2) - October 9, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b9/eb/b9ebe6f9d353c54633cd30898829462fd9f16970fd2edd51ec1c8a9617b035d1), [SA4337NM_AML.pdf](https://openairdocs.org/files/sha256/d6/f2/d6f21777806bef5006275c05514ae3a6a16d58851a1cc9544e21e4fac032784c) - January 4, 1990: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/6e/35/6e3581859e0a93087017c0e4dad246a2b8f460dec5d8ffb870d0b48a8e7dcee0), [SA4337NM_AML.pdf](https://openairdocs.org/files/sha256/55/7f/557fd20a688918410c7b8b099b62b648e6d2fa8fa7eecb066dc1551c39d5ac5a) --- 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.