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Aircraft STC directory

Gulfstream American G-44 STCs

The Jun 30, 2026 FAA DRS snapshot contains 26 selected supplemental type certificates with status Current whose public applicability data names the Gulfstream American G-44. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.

26
listed Current at snapshot
4
holder directories
9
modification categories
Oct 23, 2024
latest recorded revision

Modification demand surface

Other aircraft modifications13
Aircraft structures3
Flight controls3
Landing gear and brakes2
Propellers1
Fuel systems1
Cabin and interiors1
Engine and powerplant1
Avionics1

Recorded holders

Seaplane Works Inc.19Wipaire Inc1Hartzell Engine Technologies, LLC1Brian Van Wagnen1

Recently revised G-44 STCs

Showing the 26 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.

SA02869CHAvionics

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.

FAA holder: Van Wagnen Brian

View record