# STC SA285CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: D'Shannon Products Ltd.
- Description: 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.
- Status date: July 14, 2011
- Data sheets: 1A10, 1A10
- Certificate PDF: https://openairdocs.org/files/sha256/6d/8d/6d8dd7bb12aa33c2c33909358780f1214e3ea903c3bc4efd9c503ae58a169902
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128484734020230323160736.0001
- Page: https://openairdocs.org/stc/SA285CE

## ADs that name it

None.

## Approved models (2)

- Piper Aircraft Inc. PA-23 (TCDS 1A10)
- Piper Aircraft Inc. PA-23-160 (TCDS 1A10)

## What the certificate says

The certificate is a scan without a text layer; open the PDF to read it.

## Every issue (3)

- July 14, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/6d/8d/6d8dd7bb12aa33c2c33909358780f1214e3ea903c3bc4efd9c503ae58a169902)
- July 14, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/8f/39/8f39ab3c8fb6212cb6d1b7c3468bfbdde68145cef3f793fb1c392fd97afa2bef)
- May 12, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/08/aa/08aa2758605eac823c7df60569f0145f1d6bcbebd27bcb28b4b229e55e272f94)

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From OpenAirDocs.org, an independent open copy of FAA data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.