STC SA243NW

Supplemental type certificate · Machen Inc

Holder
Machen Inc · United States
Status
Current · Amended
Status date
November 1, 1998
Applied
August 24, 1975
Product
Aircraft · Single-Engine
Certification basis
Part 21
Data sheet
TCDSA12SO

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 6, 2025.

What it approves

Installation of Lycoming IO-540 engine with 3-bladed Hoffman, 3-bladed Hartzell, or 2-bladed Hartzell 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.

This certificate is a scan without a text layerOpen the PDF to read it.

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
Commander Aircraft Company112A12SO