# STC SA03335CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Brian Van Wagnen, United States
- Description: Removal of propeller unfeathering valve, installation of enlarged rudder trim tab, installation of electric hydraulic pump, installation of volt/amp meter, installation of aux wing float fuel system, installation of sun visors, installation of solid rubber tail wheel/tire assembly, installation of a defroster blower and installation of Weldon fuel boost pumps
- Applied: September 9, 2012
- Status date: May 22, 2014
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-734](https://openairdocs.org/tcds/A-734)
- Certificate PDF: https://openairdocs.org/files/sha256/b8/8b/b88be300df4e27c6c4bba67fff68427ad1782ffd8fb689027754bba86d104e55
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/092F0348001FD54286257CEC0067E416.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA03335CH

## ADs that name it (0)

None.

## Approved models (1)

- Gulfstream American Corporation G-44 ([TCDS A-734](https://openairdocs.org/tcds/A-734))

## 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.

Civil Aviation 4a Regulations.

(See Aircraft Specification A-734 for the complete certification basis).

Original Product—Type Certificate Number: A-734 Make: Gulfstream American.

Model: G-44 (serial number 1346)

Removal of propeller unfeathering valve, installation of enlarged rudder trim tab, installation of electric hydraulic pump, installation of volt/amp meter, installation of aux wing float fuel system, installation of sun visors, installation of solid rubber tail wheel/tire assembly, installation of a defroster blower and installation of Weldon fuel boost pumps in accordance with installation manual, Report 1, initial revision, dated December 16, 2013, or later FAA approved revision.

1. You cannot use descriptive data about this design change to duplicate other products. This approval is limited to only the installation made in Gulfstream American Model G-44 Serial No. 1346. This STC does not permit manufacturing of parts for multiple installations.

2. A copy of this Certificate must be maintained as part of the permanent records for the modified aircraft.

3. FAA Approved Aircraft Flight Manual Supplement, Brian Van Wagnen Supplement #1, Initial Revision, approved April 1, 2014, or later FAA approved revision is required for this application.

4. FAA Accepted Instructions for Continued Airworthiness, Brian Van Wagnen ICA Instructions Grumman Widgeon N480AK, Initial Revision, approved March 21, 2014, or later FAA accepted revision is required for this modification.

Brian Van Wagnen 4253 Saunt Road Jackson MI, 49201

Date of application : September 9, 2012

Date of issuance : May 22, 2014

(Signature) Timothy P. Smyth Manager, Propulsion & Program Management Branch Chicago Aircraft Certification Office

(Title)

## Every issue (1)

- May 22, 2014: Issued, Current. [certificate](https://openairdocs.org/files/sha256/b8/8b/b88be300df4e27c6c4bba67fff68427ad1782ffd8fb689027754bba86d104e55)

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