# STC SA02847CH

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Mr. Brian VanWagnon, United States
- Description: Install two AVCO Lycoming GO-480-G1D6 model engines with Bendix S6LN-21 10-51365-32 magnetos (impulse coupling on right hand magneto both engines), two Hartzell HC-93Z20-2/10151B-8  model propellers, unfeathering valve removed, and an enlarged rudder trim tab added
- Applied: May 13, 2009
- Status date: June 14, 2010
- 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/sha256/20/9f/209fce80d7790f062996353f7706d8f86ba67db9a470d95d03b3aed0d692543e
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/AAEDB61DF075641A86257C62006DF08D.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA02847CH

## 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 Air 4a Regulations.

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

Install two AVCO Lycoming GO-480-G1D6 model engines with Bendix S6LN-21 10-51365-32 magnetos (impulse coupling on right hand magneto both engines), two Hartzell HC-93Z20-2/10151B-8 model propellers, unfeathering valve removed, and an enlarged rudder trim tab added in accordance with previously FAA Approved Flight Standards Field Approval data.

1. The modifications are for Gulfstream American G-44, Serial Number 1343, N77BD only.

2. The installer must determine whether this design change is compatible with previously approved modifications.

3. FAA Approved Airplane Flight Manual Supplement, signed and dated June 14th, 2010 is required.

4. Any substitutions of parts or materials must be FAA approved.

Mr. Brian VanWagnon 4253 Saunt Road Jackson, MI 49201 A-734 Make : Gulfstream American Model : G-44 (Serial number 1343)

Date of application : May 13, 2009

Date of issuance : June 14, 2010

By direction of the Administrator Original Signed By:

Thaddeus Krolicki, Jr.

(Signature) Thaddeus D. Krolicki, Jr.

Manager, Propulsion Branch Chicago Aircraft Certification Office

(Title)

## Every issue (1)

- June 14, 2010: Issued, Current. [certificate](https://openairdocs.org/files/sha256/20/9f/209fce80d7790f062996353f7706d8f86ba67db9a470d95d03b3aed0d692543e)

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