What it approves
Installation of part numbers PPA1301-1/-2 and PPA1201-1.
What the certificate says
From the PDF’s text layer, without the form’s printed wording. Layout and order may 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
ADs that name this STC · 0
An AD can apply because an STC is installed, or mention one in its text.
Approved models · 22
| Make | Model | Data sheet |
|---|---|---|
| Textron Aviation Inc. | 170 | A-799 |
| Textron Aviation Inc. | 170A | A-799 |
| Textron Aviation Inc. | 170B | A-799 |
Every issue · 2
DRS keeps each issue of an STC as its own record, with its own certificate and attachments.
| Date | Status | Files |
|---|---|---|
| November 3, 2025 | Reissued, current | CertificateApproved model list |
| March 17, 1988 | Reissued, earlier issue | CertificateApproved model list |