# STC SA4170NM - Type: Supplemental type certificate - Status: Current, Reissued - Holder: McFarlane Aviation LLC, United States - Description: Installation of part numbers PPA1301-1/-2 and PPA1201-1. - Applied: January 19, 1987 - Status date: November 3, 2025 - Product: Aircraft, Small Airplane - Data sheets: [TCDS A-799](https://openairdocs.org/tcds/A-799), [TCDS 5A6](https://openairdocs.org/tcds/5A6), [TCDS 3A24](https://openairdocs.org/tcds/3A24) - Certificate PDF: https://openairdocs.org/files/sha256/22/28/22285a099c7d0ba479957134f557e48ff4530b5ffb629875c40bf72a472a9614 - Approved model list and other attachments: [SA4170NM_AML.pdf](https://openairdocs.org/files/sha256/68/97/6897cabdd760f51d92f52d6af5c0549d77269ee23a7c8b1a227879431e9fcd64) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID105158169220260127153628.0001 - DRS record last changed: January 27, 2026 - Page: https://openairdocs.org/stc/SA4170NM ## ADs that name it (0) None. ## Approved models (22) - Textron Aviation Inc. 170 ([TCDS A-799](https://openairdocs.org/tcds/A-799)) - Textron Aviation Inc. 170A ([TCDS A-799](https://openairdocs.org/tcds/A-799)) - Textron Aviation Inc. 170B ([TCDS A-799](https://openairdocs.org/tcds/A-799)) - Textron Aviation Inc. 180 ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180A ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180B ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180C ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180D ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180E ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180F ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180G ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - Textron Aviation Inc. 180H ([TCDS 5A6](https://openairdocs.org/tcds/5A6)) - 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. 185 ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Textron Aviation Inc. 185A ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Textron Aviation Inc. 185B ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Textron Aviation Inc. 185C ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Textron Aviation Inc. 185D ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Textron Aviation Inc. 185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Textron Aviation Inc. A185E ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) - Textron Aviation Inc. A185F ([TCDS 3A24](https://openairdocs.org/tcds/3A24)) ## 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. SA4170NM McFarlane Aviation, LLC 684 East 1700 Road, Bldg. 8 Baldwin City, KS 66006 Part * * * *See attached Approved Model List (AML) Number SA4170NM for list of approved airplane models and applicable airworthiness regulations. Approval of this change in type design applies to the above model aircraft only. This approval should not be extended to 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. Ac copy of this Certificate, and Approval Model List (AML), dated February 3, 1988, or later FAA approved revision, 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. 01/19/1987 03/17/1988 11/03/2025 02/03/1988 for Manager, West Certification Branch 2 Installation of Part Number PPA1301-1/-2, and PPA1201-1, produced in accordance with P. Ponk Aviation Drawing List Number 87-001, dated January 28, 1987, or later FAA approved revision, as direct replacements for Cessna outboard landing gear support brackets and attachment angles. SA4170NM 11/03/2025 2 ### SA4170NM_AML.pdf **FEDERAL AVIATION ADMINISTRATION (FAA) APPROVED MODEL LIST (AML) SA4170NM FOR** **REPLACEMENT PARTS FOR TEXTRON AVIATION OUTBOARD** LANDING GEAR SUPPORT BRACKETS AND ATTACHMENT ANGLES ISSUE DATE: February 3, 1988 Page 1 of 1 **ITEM AIRCRAFT MAKE** **AIRCRAFT ORIGINAL TC NUMBER** **CERTIFICATION** **BASIS FOR** **ALTERATION** **FAA SEALED** **DRAWING/DRAWING LIST** **AFM SUPPLEMENT NUMBER** AML REV DATE Number Revision* Drawing Revision* 1. Textron Aviation Inc. 170 Series A-799 Part 3 CAR and TCDS A-799 87-001 N/A, dated January 28, 1987 N/A 2. Textron Aviation Inc. 180 Series 5A6 Part 3 CAR and TCDS 5A6 87-001 N/A, dated January 28, 1987 N/A 3. Textron Aviation Inc. 185 Series 3A24 Part 3 CAR and TCDS 3A24 87-001 N/A, dated January 28, 1987 N/A FAA Approved: for Manager, West Certification Branch AMENDED: March 17, 1988 REISSUED: November 3, 2025 ## Every issue (2) - November 3, 2025: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/22/28/22285a099c7d0ba479957134f557e48ff4530b5ffb629875c40bf72a472a9614), [SA4170NM_AML.pdf](https://openairdocs.org/files/sha256/68/97/6897cabdd760f51d92f52d6af5c0549d77269ee23a7c8b1a227879431e9fcd64) - March 17, 1988: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/d7/5d/d75dd98c449ce624976aedc4e10628a63926af77a8a14fe516c91c28aa3c184c), [AML SA4170NM.pdf](https://openairdocs.org/files/sha256/0f/2b/0f2bb4cb21b141696024b0092d1686994f5907eba978581ea7e1c50b3aeee727) --- 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.