# STC SA135CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: D'Shannon Products Ltd.
- Description: Installation of Lycoming O-320-A1A, A1B, A3A, A3B or Lycoming O-320-B1A, B1B, B3A, B3B engine, Hartzell HC-82X or HC-A2X series propellers with 7636D-4 blades and Woodward Model 210080 Governor.  
Data required:  Doyn drawing 2000 dated February 21, 1063 and Doyn installation instructions dated February 21, 1963.
- Status date: July 14, 2011
- Data sheets: A-799, A-799, A-799
- Certificate PDF: https://openairdocs.org/files/sha256/b8/b4/b8b4e9e576dd389025571784fc9bfbc9b54126386a09cb6547b6a59038a28e0c
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/256EC1728EF3AF1C862578EF005281A5.0001
- Page: https://openairdocs.org/stc/SA135CE

## ADs that name it

- [AD 82-07-02](https://openairdocs.org/ad/82-07-02): Engine Crankcase Breather · Lycoming O-360-A1A engine and Hartzell HC-C2YK-1B/7666A-2… (Avcon Industries STC SA1324CE or 14 others). Effective Apr 8, 1982. Named in the applicability
- [AD 69-15-03](https://openairdocs.org/ad/69-15-03): Muffler Assembly · Lycoming O-320-A1A, A1B, A3A, A3B or Lycoming O-320-B1A, B1B… (D'Shannon Products STC SA135CE or 8 others). Effective Aug 20, 1969. Named in the applicability

## Approved models (3)

- Cessna Aircraft Company 170 (TCDS A-799)
- Cessna Aircraft Company 170A (TCDS A-799)
- Cessna Aircraft Company 170B (TCDS A-799)

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

This certificate issued to

Part 3 of the Civil Air Regulations.

Installation of Lycoming O-320-A1A, A1B, A3A, A3B or Lycoming O-320-B1A, B1B, B3A, B3B engine, Hartzell HC-82X or HC- A2X series propellers with 7636D-4 blades and Woodward Model 210080 Governor.

Data required: Doyn drawing 2000 dated February 21, 1063 and Doyn installation instructions dated February 21, 1963.

FAA Approved Airplane Flight Manual Supplement dated April 17, 1963, is required. Engine and propeller limits are listed on the AFMS.

Placard required: (Fuel Cap) O-320-A series engines: “ 80/87 Min. Grade Aviation Fuel.”

O-320-B series engines: “ 91/96 Min. Grade Aviation Fuel.”

Compatibility of this modification with other previously approved modifications must be determined by the installer.

D’Shannon Products, Ltd.

1309 County Road 134 Buffalo, MN 55313 799 Make : Cessna Model : 170, 170A, 170B Date of application : February 26, 1963

Date of issuance : April 17, 1963

Date reissued : 1/25/66; 5/17/78; 3/9/79; 5/12/11; 7/14/11

( Signature) Melvin D. Taylor Manager Atlanta Aircraft Certification Office

( Title)

## Every issue (2)

- July 14, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b8/b4/b8b4e9e576dd389025571784fc9bfbc9b54126386a09cb6547b6a59038a28e0c)
- May 12, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/b5/3a/b53afeccf8442e92a63355dfd0a4fc944e48f7d1eb417bf12d3f0a42af0aaf30)

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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.