STC SA09879AC

Supplemental type certificate · James A. Ridpath, Jr.

Holder
James A. Ridpath, Jr. · United States
Status
Current · Issued
Status date
July 26, 2017
Applied
January 30, 2017
Product
Aircraft · Small Airplane
Certification basis
Part 21
Data sheet
TCDSA-782

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 5, 2025.

What it approves

Installation of the Continental Motors IO-520-D engine and a Hartzell PHC-J3YF-1RF/F8468A-6R propeller

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.

FAA Form 8110-2 (5/14) Page 1 of This certificate issued to:

Part of the Original Product – Type Certificate Number: Make:

By Direction of the Administrator Signature Title A-782 James A. Ridpath, Jr.

9710 Joliet Ave., Apt. A Lubbock, TX 79423 2 SA09879AC Civil Air Regulations 3 Sierra Hotel Aero (Ryan) Navion A Installation of the Continental Motors IO-520-D engine and a Hartzell PHC-J3YF-1RF/F8468A-6R propeller. The Airplane Flight Manual Supplement (AFMS) dated July 26, 2017, or later FAA Approved revision is required.

The installer must determine whether this design change is compatible with previously approved modifications. This STC is limited to only Navion A airplane, Serial Number NAV-4-1806.

January 30, 2017 July 26, 2017 Jim Grigg Manager, Fort Worth ACO Branch Compliance & Airworthiness Division

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

2 SA09879AC

ADs that name this STC · 0

An AD can apply because an STC is installed, or mention one in its text.

No AD in this release names this STC

Approved models · 1

MakeModelData sheet
Sierra Hotel Aero Inc.Navion A (Army L-17B and L-17C)A-782