# STC SA02869CH - Type: Supplemental type certificate - Status: Current, Issued - Holder: Van Wagnen Brian, United States - Description: ONE ONLY STC, SN 1373: Installed two Lycoming GO-480B1D model engines (with dual impulse coupling magnetos both engines and 24 volt alternator charging system) and two Hartzell HC-A3V20-2C/V9333C-3 model propellers. Modified airplane electrical system to a 24 volt system. Removed the left engine driven hydraulic pump and installed a new Oildyne (P/N 645659, 108B1, C25-1V-13-Y) 24 volt electric hydraulic pump and system. Added two Weldon (P/N 8100H) 24 volt electrical fuel boost pumps with fuel bypass system, Added an auxiliary float fuel tank and fuel transfer system. Installed a Whelen PR and PG navigation/strobe light system, a Pulselite model 1210/2405-2A system, two Rosen (P/N 1751200-111) sunvisors, Industrial Labs (P/N AFB-193-10) defrost blower, Guardian AERO-553 Carbon Monoxide (CO) monitor/clock, Electronics International VA-1A-50 volt/ammeter, Kory (P/N 318630-1001-035) landing gear light system , Dusters and Sprayers Supply (P/N 10.00) solid rubber tail wheel and tire assembly, and ACK E-01 Emergency Locator Transmitter (ELT). Installed Cleveland 199-167 wheel and brake conversion kit with associated brake system upgrades. Installed a new .063 thick aluminum cockpit instrument panel. Installed new Oregon Aero (P/N 6A-0058-1) pilot, and co-pilot seats with Pacific Scientific rotary buckle restraint system. Installed Atlee Dodge (P/N 3147) passenger seats with associated seat belts, and new floor seat rails. Removed propeller unfeathering valve, incorporated an auxiliary wing float fuel tank system, and added an enlarged rudder trim tab. All modifications/alterations accomplished - Applied: May 13, 2009 - Status date: July 28, 2010 - Product: Aircraft, Small Multi-Engine - Certification basis: Part 21 - Data sheets: [TCDS A-734](https://openairdocs.org/tcds/A-734) - Certificate PDF: https://openairdocs.org/files/sha256/ca/24/ca24d390e92e5d797951a0f0fd031661d91d59d9c09eac6fa2d8383e88ff50a9 - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A48332959C1A606A86257784004F61AA.0001 - DRS record last changed: December 6, 2025 - Page: https://openairdocs.org/stc/SA02869CH ## 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.) Description of Type Design Change Installed two Lycoming GO-480B1D model engines (with dual impulse coupling magnetos both engines and 24 volt alternator charging system) and two Hartzell HC-A3V20-2C/V9333C-3 model propellers. Modified airplane electrical system to a 24 volt system. Removed the left engine driven hydraulic pump and installed a new Oildyne (P/N 645659, 108B1, C25-1V-13-Y) 24 volt electric hydraulic pump and system. Added two Weldon (P/N 8100H) 24 volt electrical fuel boost pumps with fuel bypass system, Added an auxiliary float fuel tank and fuel transfer system. Installed a Whelen PR and PG navigation/strobe light system, a Pulselite model 1210/2405-2A system, two Rosen (P/N 1751200-111) sunvisors, Industrial Labs (P/N AFB-193-10) defrost blower, Guardian AERO-553 Carbon Monoxide (CO) monitor/clock, Electronics International VA-1A-50 volt/ammeter, Kory (P/N 318630-1001-035) landing gear light system , Dusters and Sprayers Supply (P/N 10.00) solid rubber tail wheel and tire assembly, and ACK E-01 Emergency Locator Transmitter (ELT). Installed Cleveland 199-167 wheel and brake conversion kit with associated brake system upgrades. Installed a new .063 thick aluminum cockpit instrument panel. Installed new Oregon Aero (P/N 6A-0058-1) pilot, and co-pilot seats with Pacific Scientific rotary buckle restraint system. Installed Atlee Dodge (P/N 3147) passenger seats with associated seat belts, and new floor seat rails. Removed propeller unfeathering valve, incorporated an auxiliary wing float fuel tank system, and added an enlarged rudder trim tab. All modifications/alterations accomplished in accordance with FAA Approved data, Supplemental Type Certificate data, or previous Flight Standards Field Approval data. 1. The modifications are for Gulfstream American G-44, Serial Number 1373, N701J only. 2. The installer must determine whether this design change is compatible with previously approved modifications. 3. FAA Approved Airplane Flight Manual Supplement (A FMS) signed and dated July 26, 2010, is required. 4. Any substitutions of parts or materials must be FAA approved. Brian Van Wagnen 4253 Saunt Road Jackson, MI 49201 A-734 Make : Gulfstream American Model : G-44 (Serial number 1373) Date of application : May 13, 2009 Date of issuance : July 28, 2010 ( Signature) Thaddeus D. Krolicki, Jr. Manager, Propulsion Branch Chicago Aircraft Certification Office ( Title) ## Every issue (1) - July 28, 2010: Issued, Current. [certificate](https://openairdocs.org/files/sha256/ca/24/ca24d390e92e5d797951a0f0fd031661d91d59d9c09eac6fa2d8383e88ff50a9) --- 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.