SA2GLLanding gear and brakes
Installation of wheel and brake assemblies and axle spacer.
FAA holder: Kaman Corporation Aircraft Wheel and Brake LLC
Aircraft STC directory
Swift Museum Foundation GC-1B STCs
The Jun 30, 2026 FAA DRS snapshot contains 34 selected supplemental type certificates with status Current whose public applicability data names the Swift Museum Foundation GC-1B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
34
listed Current at snapshot
9
holder directories
10
modification categories
Sep 19, 2022
latest recorded revision
Modification demand surface
Other aircraft modifications11
Engine and powerplant6
Flight controls5
Fuel systems4
Landing gear and brakes2
Propellers2
Aircraft structures1
Avionics1
Aircraft performance1
Electrical systems1
Recently revised GC-1B STCs
Showing the 34 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA01967WI (3 OF3)Other aircraft modifications
Use of GAMI G100UL High Octane Unleaded Avgas.
FAA holder: General Aviation Modifications Inc.
SA01861SE (PAGE 3)Other aircraft modifications
Fabrication and installation of Landing Light Controller.
FAA holder: Seaton Engineering Corp.
SA01861SE (PAGE 5)Other aircraft modifications
Fabrication and installation of Landing Light Controller.
FAA holder: Seaton Engineering Corp.
SA169NWOther aircraft modifications
Installation of Merlyn Products motor, part number 06-6001.
FAA holder: Merlyn Products Inc.
SA803SOEngine and powerplant
Installation of a Lycoming O-360-A1A engine, equipped with either a McCauley Model 2D34C53-A/74E-0 propeller or a Hartzell Model HC-C2YK-1BF/F7666A-2 propeller.
FAA holder: Swift Museum Foundation Inc
SA00184BOFlight controls
Installation of an electric elevator trim system.
FAA holder: Swift Museum Foundation Inc
SA00185BOPropellers
Installation of McCauley 2A34C209/78CCA-2 Propeller.
FAA holder: Swift Museum Foundation Inc
SA00910ATOther aircraft modifications
Installation of control sticks.
FAA holder: Swift Museum Foundation Inc
SA1-326Engine and powerplant
Installation of Teledyne Continental Mode IO-300-A engine with McCauley Model 1A170-DM7359 propeller and Cessna spinner AK7053-3.
FAA holder: Swift Museum Foundation Inc
SA2098SOLanding gear and brakes
Installation of a pneumatic squat switch on the landing gear retraction system.
FAA holder: Swift Museum Foundation Inc
SA345SOFuel systems
Replaced hand operated wobble pump with electric fuel pump.
FAA holder: Swift Museum Foundation Inc
SA2996SWOther aircraft modifications
Install Brittain Model BSS Stability Augmentation System.
FAA holder: Brittain Industries, Inc
SA53NWEngine and powerplant
Installation of Continental IO-360-C engine with McCauley propeller.
FAA holder: Merlyn Products Inc.
SA4855NMFlight controls
Installation of dual-stick flight control system.
FAA holder: Aeroplane Factory
SA2-1007Other aircraft modifications
Installation of Lycoming Model O-290-D2A or O-320-A3A engines.
FAA holder: Aeroplane Factory
SA02154LAAircraft structures
Installation of wing leading edge stall strips.
FAA holder: Aeroplane Factory
SA4-403Other aircraft modifications
GC 1-1 heavy duty 'bubble' windshield.
FAA holder: Aircraft Windshield Co
SA00259BOOther aircraft modifications
S/N 3501 ONLY: Installation of Cessna 150 seats.
FAA holder: Mee Two Aviation Inc.
SA00260BOOther aircraft modifications
S/N 3501 ONLY: Installation of 15x6.00-6 tires.
FAA holder: Mee Two Aviation Inc.
SA02052LAFlight controls
Installation of an electrical trim system for the horizontal stabilizer.
FAA holder: Aeroplane Factory
SA00247BOFlight controls
ONE-ONLY: Addition of control stick mounted trim switches to Ray Allen electric elevator trim servo, previously approved by STC SA00184BO, serial number 3501.
FAA holder: Mee Two Aviation Inc.
SA01659SEEngine and powerplant
Installation of a Franklin 6A-350-C1 engine and McCauley 2A34C201/90DA-14 propeller, composite engine cowling and associated components. Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is limited to the installation in Swift Museum model GC-1B aircraft, Serial Number 2237, Registration Number N78237 only.
FAA holder: Means Howard
SA01590SEFuel systems
Data pertaining to this modification are considered inadequate for duplication in other aircraft. This approval is therefore limited to the installation in Globe Swift airplane serial number 377, registration N90363 only. Installation of auxiliary fuel tanks.
FAA holder: Mahoney Gerald
SA01425SEFuel systems
Installation of auxiliary fuel tanks in a Globe Swift GC-1B. Limited to installation on serial number 115 ONLY.
FAA holder: Hansen Ernest
SA4-145Engine and powerplant
Removal of C-125, Continental Engine and installation of C145, Continental Engine and Koppers Model F200 and F200-H propellers with 0073-E blades in all model GC-1B Swifts. Maximum engine power restricted to 125 hp at 2550 rpm and 25.8 in. Hg. MAP. Installation must be made per Preston Johnson Drawing No. PDJ-3.
FAA holder: Skybound Manufacturing Inc.
SA4-157Avionics
Removal of present trim control handle and relocating it on the left side of the fuselage about nine inches below window, and about nine inches to the rear of the instrument panel.
FAA holder: Skybound Manufacturing Inc.
SA382NWAircraft performance
Installation of a gross weight increase to 1835 pounds and associated changes.
FAA holder: Merlyn Products Inc.
SA01083SEFlight controls
Installation of electric elevator trim system in accordance with Ernest Hansen drawings, photographs, and instructions contained in the Federal Aviation Administration project file. Limited to installation on Globe Swift GC-1B aircraft, Serial Number 115 only.
FAA holder: Hansen Ernest
SA1490CHPropellers
Installation of a Sensenich 74DR-1 model propeller. Limited to Tel Continental O-300A, C-145-2, or C-145-2H, or O-300B with propeller control valve secured in closed position. Model O-300C or O-300D engines with model 530860 crankshaft installed. Maximum takeoff power limited to 125 horsepower.
FAA holder: Montague James J