STC SA285CE

Supplemental type certificate · D'Shannon Products Ltd.

Holder
D'Shannon Products Ltd. · United States
Status
Current · Reissued
Status date
July 14, 2011
Applied
December 29, 1964
Product
Aircraft · Small Multi-Engine
Data sheet
TCDS1A10

From FAA DRS, with our copy of the certificate PDF. DRS record last changed December 5, 2025.

What it approves

Installation of Lycoming IO-360-B1B engines and Hartzell HC-C2YR-2RA/7666A-2 propellers. Gross weight increase to 3684 lbs on PA-23 and 4000 lbs on PA-23-160. Data required: PA-23: Doyn dwg 1500, Rev. C, except for Hartzell HC-922K-2B/8447-12A props. Doyn dwg 1507, Rev. C, PA-23-160: Doyn dwg. 1800, Rev. C, except for Hartzell HC-922K-2B/8447-12A props. Dwg. 1807, Rev. C.

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 · 2

MakeModelData sheet
Piper Aircraft Inc.PA-231A10
Piper Aircraft Inc.PA-23-1601A10

Every issue · 3

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

DateStatusFiles
July 14, 2011Reissued, currentCertificate
July 14, 2011Reissued, earlier issueCertificate
May 12, 2011Reissued, earlier issueCertificate