# STC SA3107WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: D'Shannon Products Ltd., United States
- Description: Installation of exhaust silencers in accordance with Top Banana Installation Instructions dated March 12, 1975, Revision of October 22, 1975.

Silencer is manufactured in accordance with Top Banana Drawing No. 2-12-A35 G  change.
- Applied: February 5, 1975
- Status date: July 14, 2011
- Product: Aircraft, Single-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 3A15](https://openairdocs.org/tcds/3A15)
- Certificate PDF: https://openairdocs.org/files/sha256/4c/25/4c2564075fda93a2ef24515c6c86638d4500fa98b3f14267fb8ab7e724a40ea5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A21231947BC52C3B862578EF00561509.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA3107WE

## ADs that name it (0)

None.

## Approved models (6)

- Raytheon Aircraft Company 35-33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company 35-A33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company 35-B33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company 35-C33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company E33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Raytheon Aircraft Company F33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))

## 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, as amended May 15, 1956.

Installation of exhaust silencers in accordance with Top Banana Installation Instructions dated March 12, 1975, Revision of October 22, 1975.

Silencer is manufactured in accordance with Top Banana Drawing No. 2-12-A35 “G” change.

The approval of this change in type design applies basically to Beech 35- 33, 35-A33, 35-B33, 35-C33, E33, F33 only. This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modification will introduce no adverse effect upon the airworthiness of that aircraft.

D’Shannon Products, Ltd.

1309 County Road 134 Buffalo, MN 55313 3A15 Make : Beech Model : 35-33, 35-A33, 35-B33, 35-C33, E33, F33 Date of application : February 5, 1975

Date of issuance : November 10, 1975

Date reissued : January 20, 1976; February 9, 1976; April 4, 2011; July 14, 2011

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

( Title)

FAA FORM 8110-2-1(10-69) PAGE 2 of 2 PAGES

## Every issue (2)

- July 14, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/4c/25/4c2564075fda93a2ef24515c6c86638d4500fa98b3f14267fb8ab7e724a40ea5)
- April 4, 2011: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/42/20/4220da62663919202d879de1239439a1ad2c0fbaf8403bc9820138ae4b8885be)

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