STC SA840NW

Supplemental type certificate · Yarcho, William A.

Holder
Yarcho, William A. · United States
Status
Current · Issued
Status date
October 1, 1979
Applied
June 24, 1979
Product
Aircraft · Small Airplane
Certification basis
Part 21
Data sheet
TCDS1A1

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

What it approves

Installation of a lycoming engine, Sensenich propeller, PA-22 balanced elevators and an overhead sky light window

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
Piper Aircraft Inc.PA-161A1