STC SA423NW

Supplemental type certificate · Stewart E Westcott

Holder
Stewart E Westcott · United States
Status
Current · Issued
Status date
April 14, 1977
Applied
April 16, 1976
Product
Aircraft · Small Airplane
Certification basis
Part 21
Data sheet
TCDSA1CE

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

What it approves

Conversion of a Lycoming O-320-E2C (150 HP @ 2700 rpm) to a O-320-D2A (160 HP @ 2700 rpm) with a Sensenich M74DM-0-58 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
Hawker Beechcraft CorporationA23-19A1CE