STC SA12446AK

Supplemental type certificate · Sensenich Propeller Company

Holder
Sensenich Propeller Company · United States
Status
Current · Reissued
Status date
September 8, 2026
Applied
July 5, 2026
Product
Aircraft · Small Airplane

From FAA DRS, with our copy of the certificate PDF. DRS record last changed October 22, 2026.

What it approves

Installation of Sensenich Propeller Company 2G0M8SXX/C76PGF Composite, Ground Adjustable 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.

Number: SA12446AK

Part 3 of The Civil Air Regulations.

Original Product Make Type Certificate Number: * Model:

* Refer to FAA Approved Model List (AML), No. SA12446AK, dated September 8, 2026, or later FAA approved revision.

Date of Application: July 5, 2026

Date Reissued: September 24, 2026 Date of Issuance: September 8, 2026 Date Amended:

Title: for Gregory S. DiLibero Manager, West Certification Branch Sensenich Propeller Company 2008 Wood Court Plant City, FL 33563 Installation of Sensenich Propeller Company 2G0M8SXX/C76PGF Composite, Ground Adjustable Propeller in accordance with Sensenich Propellers “Sensenich Two Blade Composite Aircraft Propeller Installation and Operation Instructions for Cessna 170, 170A, 170B, 175, 175A, 175B, 175C, and P172D Aircraft With Lycoming O-360 or IO-360 Engines”, Doc. No. 170-2G0M8-IM, Rev. 0 dated July 4, 2026 or later FAA approved revision.

1. The installer must determine whether this design is compatible with previously approved modifications.

2. This STC is valid only for aircraft models that previously had a Lycoming O-360 series engine, TCDS E-286 or Lycoming IO-360 series engine, TCDS 1E10, installed by a previous FAA approved installation procedure.

3. Installation shall be maintained in accordance with Sensenich Propellers “Instructions for Continued Airworthiness Manual G-Shank Series Composite Ground Adjustable Propellers” Doc. No. SICA-G_20020214, Rev 0, dated April 7, 2022, or later FAA accepted revision.

4. “Supplemental Airplane Flight Manual/Airplane Flight Manual Supplement” Doc. No. 170-2G0M8-AFMS, Rev IR, dated August 27, 2026, or later FAA approved revision is a required part of this installation.

Number: SA12446AK Effective Date: September 24, 2026

Transfer Endorsement Transfer the ownership of Supplemental Type Certificate Number: SA12446AK

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 · 8

MakeModelData sheet
Textron Aviation Inc.170A-799
Textron Aviation Inc.170AA-799
Textron Aviation Inc.170BA-799
Textron Aviation Inc.1753A17
Textron Aviation Inc.175A3A17
Textron Aviation Inc.175B3A17
Textron Aviation Inc.175C3A17
Textron Aviation Inc.P172D3A17

Every issue · 2

DRS keeps each issue of an STC as its own record, with its own certificate and attachments.

DateStatusFiles
September 8, 2026Reissued, currentCertificate
September 8, 2026Issued, earlier issueCertificateApproved model list