# STC SA542WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: D'Shannon Products Ltd., United States
- Description: Installation of engine cowl flap assembly in accordance with Drawing No. CA1-33-001.  FAA approved Airplane Flight Manual Supplement dated October 24, 1963, or later FAA approved revision, is required with this installation.
- Applied: September 12, 1963
- Status date: May 6, 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/a2/7d/a27dc124d857398de9d65bd01b24238344d64f85f9ff83dd52854a88b4e60cfa
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C6144C4FB8E8C7F78625788E00554929.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA542WE

## ADs that name it (0)

None.

## Approved models (3)

- Hawker Beechcraft Corporation 35-33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation 35-A33 ([TCDS 3A15](https://openairdocs.org/tcds/3A15))
- Hawker Beechcraft Corporation 35-B33 ([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.

United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate This certificate has been reissued to replace the original certificate reported as lost.

This Certificate issued to D’SHANNON PRODUCTS, LTD.

1309 County Road 134 Buffalo, MN 55313 Part 3 of the Civil Air Regulations.

3A15 Hawker Beechcraft 35-33, 35-A33, 35-B33 Description of Type Design Change: Installation of engine cowl flap assembly in accordance with Drawing No. CA1-33-001. FAA approved Airplane Flight Manual Supplement dated October 24, 1963, or later FAA approved revision, is required with this installation.

Limitations and Conditions : This approval should not be extende d to other specific aircraft of these models on which other previously a pproved modifications are incorporated unless it is determined that the interrelationship between this cha nge and any of those other previ ously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. If the holder agrees to permit another person to use this certificate to alter the product, th e holder shall give the other person written evidence of that permission.

Date of application : September 12, 1963

Date of issuance : October 24, 1963

Date reissued : March 11, 1981, March 30, 1981, May 6, 2011

Date amended : July 23, 1965

( Signature) Supervisor, Technical & Administration Support Staff Los Angeles Aircraft Certification Office

Number (STC No.)

## Every issue (1)

- May 6, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/a2/7d/a27dc124d857398de9d65bd01b24238344d64f85f9ff83dd52854a88b4e60cfa)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.