# STC SA4773NM - Type: Supplemental type certificate - Status: Current, Amended - Holder: MILMAN Engineering Inc, United States - Description: Installation of replacement metal leading edge. - Applied: April 20, 1987 - Status date: February 5, 2016 - Product: Aircraft, Small Airplane - Certification basis: Part 21 - Data sheets: [TCDS A-761](https://openairdocs.org/tcds/A-761), [TCDS A-796](https://openairdocs.org/tcds/A-796), [TCDS A-759](https://openairdocs.org/tcds/A-759) - Certificate PDF: https://openairdocs.org/files/sha256/6f/54/6f54ea535e6fa8062710c464b411c6a95e138470bd1caabc31aa390c3438da13 - Approved model list and other attachments: [SA4773NM_AML.pdf](https://openairdocs.org/files/sha256/61/c0/61c0e6dab4bc752ed3e749e0cf287699bb33bfbaef715574272c398b741b1d34) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DD54229E160F00EE86257F53006BF2C3.0001 - DRS record last changed: December 5, 2025 - Page: https://openairdocs.org/stc/SA4773NM ## ADs that name it (0) None. ## Approved models (23) - American Champion Aircraft Corp. 11AC ([TCDS A-761](https://openairdocs.org/tcds/A-761)) - American Champion Aircraft Corp. 11BC ([TCDS A-761](https://openairdocs.org/tcds/A-761)) - American Champion Aircraft Corp. 11CC ([TCDS A-796](https://openairdocs.org/tcds/A-796)) - American Champion Aircraft Corp. 7ACA ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7BCM (Army L-16A) ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7CCM (Army L-16B) ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7FC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7GC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7GCA ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7GCAA ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7GCB ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7GCBA ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7GCBC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7HC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7JC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7KC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. 7KCAB ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. S11AC ([TCDS A-761](https://openairdocs.org/tcds/A-761)) - American Champion Aircraft Corp. S11BC ([TCDS A-761](https://openairdocs.org/tcds/A-761)) - American Champion Aircraft Corp. S11CC ([TCDS A-796](https://openairdocs.org/tcds/A-796)) - American Champion Aircraft Corp. S7AC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. S7CCM ([TCDS A-759](https://openairdocs.org/tcds/A-759)) - American Champion Aircraft Corp. S7DC ([TCDS A-759](https://openairdocs.org/tcds/A-759)) ## 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 SA4773NM This certificate, issued to Milman Engineering, Inc. 19207 Guava Street SW Rochester, WA 98579 Part * of the * Regulations. Original ProductType Certificate Number: * See attached Federal Aviation Administration (FAA) Make: Approved Model List (AML) SA4773NM for approved Model: aircraft models and applicable airworthiness regulations Description of the Type Design Change: Installation of replacement metal wing leading edges in accordance with Milman Master Drawing List as listed on AML SA4773NM. Limitations and Conditions: Approval of this change in type design applies to the aircraft listed on AML SA4773NM 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 by the installer that the relationship between this change and other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. A copy of this certificate, AML SA4773NM, and the master drawing list must be maintained as part of the permanent records for the modified aircraft. 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. Date of application: April 20, 1987 Date reissued: Date of issuance: October 2, 1989 Date amended: February 5, 2016 (Signature) Manager, Seattle Aircraft Certification Office (Title) ### SA4773NM_AML.pdf **FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SA4773NM FOR** INSTALLATION OF METAL WING LEADING EDGES ISSUE DATE: February 5, 2016 Page 1 of 1 **ITEM AIRCRAFT MAKE AIRCRAFT MODEL ORIGINAL TC NUMBER** **CERTIFICATION** **BASIS FOR** **ALTERATION** **FAA APPROVED** MASTER DRAWING LIST AML REV DATE Drawing Revision* 1. American Champion (Bellanca) (Champion) (Aeronca) 7AC, 7ACA, S7AC, 7BCM (L-16A), 7CCM (L-16B), S7CCM, 7DC, S7DC, 7EC, S7EC, 7ECA, 7FC, 7GC, 7GCA, 7GCAA, 7GCB, 7GCBA, 7GCBC, 7HC, 7JC, 7KC, 7KCAB A-759 CAR 4(a) BHM-500-001 New 2. American Champion (Bellanca) (Trytek) (Aeronca) 11AC, S11AC, 11BC, S11BC A-761 CAR 4(a) BHM-500-001 New 3. American Champion (Bellanca) (Trytek) (Aeronca) 11CC, S11CC A-796 CAR 3 BHM-500-001 New * Or later FAA Approved Revision FAA Approved: Manager, Seattle Aircraft Certification Office AMENDED: REISSUED: ## Every issue (2) - February 5, 2016: Amended, Current. [certificate](https://openairdocs.org/files/sha256/6f/54/6f54ea535e6fa8062710c464b411c6a95e138470bd1caabc31aa390c3438da13), [SA4773NM_AML.pdf](https://openairdocs.org/files/sha256/61/c0/61c0e6dab4bc752ed3e749e0cf287699bb33bfbaef715574272c398b741b1d34) - February 6, 1992: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/61/a9/61a97568487b703b6e82b6a9425973e1557551b4448c9aa2b48c8c3d282894d7) --- 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.