STC SA174NW

Supplemental type certificate · Machen Inc

Holder
Machen Inc · United States
Status
Current · Issued
Status date
May 7, 1975
Applied
November 14, 1974
Product
Aircraft · Small Airplane
Certification basis
Part 21
Data sheet
TCDSA-766

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

What it approves

Installation of Continental IO-360 engine and McCauley D2A34C67/76-C2 propeller and associated changes

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
Swift Museum Foundation Inc.GC-1BA-766