SA11177SCPropellers
Installation of a Hartzell Propeller Inc. model HC-C2YR-IN/NG8301-3 propeller.
FAA holder: Hartzell Propeller LLC
Aircraft STC directory
Aviat Aircraft A-1B STCs
The Jun 30, 2026 FAA DRS snapshot contains 47 selected supplemental type certificates with status Current whose public applicability data names the Aviat Aircraft A-1B. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
47
listed Current at snapshot
27
holder directories
9
modification categories
Sep 12, 2025
latest recorded revision
Modification demand surface
Other aircraft modifications16
Landing gear and brakes9
Avionics9
Propellers4
Fuel systems3
Engine and powerplant2
Aircraft connectivity2
Electrical systems1
Cargo and special mission1
Recorded holders
Garmin International Inc7Seaplanes North LLC3ABI, LLC3J P Instruments3uAvionix Corporation2McFarlane Aviation LLC2Latitude Technologies Corporation2Steve's Aircraft2Hartzell Propeller LLC1Momentum Aeronautics Holdings, LLC1SureFly Partners Ltd.1Wipaire Inc1Hartzell Engine Technologies, LLC1Airframes Alaska LLC1Burl's Aircraft LLC1Lanitz-Prena Folien Factory GmbH1Honeywell International Inc (Bendix King)1Whelen Aerospace Technologies1Aircraft Components Inc1Mid-Continent Instruments and Avionics1
Recently revised A-1B STCs
Showing the 47 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA02396AKLanding gear and brakes
Replacement of Sky International Inc. landing gear strut assemblies with Floats Alaska, LLC. +3 extended gear, part numbers 45017-501HD-3X and 45017-502HD-3X.
FAA holder: Seaplanes North LLC
SA02589AKPropellers
Installation of the Hartzell Model 3C1-R430A1/80C01 Propeller.
FAA holder: Momentum Aeronautics Holdings LLC
SA04378CHEngine and powerplant
Installation of an engine modified per STC SE04349CH.
FAA holder: SureFly Partners Ltd.
SA02765SELanding gear and brakes
Installation of Acme Stinger tailwheel landing gear shock absorber.
FAA holder: Acme Suspensions LLC
SA39CHLanding gear and brakes
Installation of an Amphibian Landing Gear Position Advisory System/Laser Gear Advisory System.
FAA holder: Wipaire Inc.
SA01866WIAvionics
Installation of Garmin GFC 500 Autopilot with Electronic Stability and Protection.
FAA holder: Garmin International Inc.
SA11137SCElectrical systems
Installation of Plane-Power ALT-FLX alternator.
FAA holder: Hartzell Engine Technologies, LLC
SA01233SELanding gear and brakes
Fabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assembly.
FAA holder: ABI, LLC
SA02023CHPropellers
Installation of an MT-Propeller model MTV-15-B/210-58 and spinner assembly P-277-B.
FAA holder: McFarlane Aviation LLC
SA02568AKOther aircraft modifications
Installation of Airframes Alaska Aluminum Lift Struts.
FAA holder: Airframes Alaska LLC
SA02288AKOther aircraft modifications
Installation of Alpha Omega Suspension System (AOSS) in place of original bungees.
FAA holder: Burl's Aircraft LLC
SA03819NYOther aircraft modifications
Installation and maintenance of Oratex 6000 Covering and Coating System.
FAA holder: Lanitz-Prena Folien Factory GmbH
SA01015SEOther aircraft modifications
Installation of eligible Alaska Bushwheel, Inc. wheels and TSO-C62d tires.
FAA holder: ABI LLC
SA02553AKLanding gear and brakes
Fabrication and installation of a Tail Wheel Anti-Shimmy Dampener.
FAA holder: Keller Engineering Group LLC
ST02291AK-ALanding gear and brakes
Fabrication and installation of a Tail Wheel Anti-Shimmy Dampener.
FAA holder: Keller Engineering Group LLC
SA11174SC PAGE 2Other aircraft modifications
Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems.
FAA holder: Honeywell International Inc (Bendix King)
SA02430SECargo and special mission
Fabrication and installation of a camera housing.
FAA holder: Airborne Sensor LLC
SA00344BO PAGE 2Other aircraft modifications
Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.
FAA holder: Whelen Aerospace Technologies
SA02019SE-D (2 OF 3)Avionics
Installation of Garmin GTN 6XX/7XX Navigation System.
FAA holder: Garmin International Inc
SA04362CHAvionics
Installation of the uAvionix skyBeacon Automatic Dependent Surveillance-Broadcast (ADS-B) Out.
FAA holder: uAvionix Corporation
SA04165NY (PAGE 2)Aircraft connectivity
Installation of Latitude Technologies Skynode S200 Satcom system.
FAA holder: Latitude Technologies Corporation
SA01435SEEngine and powerplant
Installation of J.P. Instruments (JPI) Primary Engine Data Management System.
FAA holder: J. P. Instruments
SA02153LA-D PAGE 1Avionics
Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System.
FAA holder: Garmin International Inc.
SA00194BOLanding gear and brakes
Installation of Aircraft Components, Inc. Landing Gear Warning System for Amphibian Aircraft, P/N 2042.
FAA holder: Aircraft Components Inc
SA01969SEOther aircraft modifications
Installation of a Mid-Continent MD302 Standby Attitude Module.
FAA holder: Mid-Continent Instruments and Avionics
SA02360AKLanding gear and brakes
Fabrication and installation of Airglas, Inc., Model GLH3000 hydraulically retractable wheel skis.
FAA holder: Airglas Inc.
SA02212AK (PG 2)Other aircraft modifications
Replacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systems.
FAA holder: Seaplanes North LLC
SA4305WELanding gear and brakes
Installation of GAR-AERO wheel adapters and tundra type tires on the main landing gear.
FAA holder: Seaplanes North LLC
SA01933LA-D PAGE 2Avionics
Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System.
FAA holder: Garmin International Inc
SA02428AKOther aircraft modifications
Installation of a hydraulically actuated ski drag assembly.
FAA holder: Northern Airframes LLC
SA01765SEOther aircraft modifications
Installation of Alaskan Bushwheel TSO-C26d wheels, Part Number (P/N) ABI-1010.
FAA holder: ABI, LLC
SA02015SE-DAvionics
Installation of Garmin G500 Primary Flight Display (PFD) and Multifunction Display (MFD) System.
FAA holder: Garmin International Inc
SA02149AKAvionics
Installation of GX50/60 GPS Navigator, Capstone configured MX20 Multi-Function Display and UAT transceiver.
FAA holder: Garmin International Inc
SA00432SE (PG 4)Avionics
Installation of EGT 701 series fuel flow instrument.
FAA holder: J P Instruments
SA00861SEFuel systems
Installation of J.P. Instruments (JPI) fuel flow indicating system.
FAA holder: J P Instruments
SA02825NY PAGE 2Other aircraft modifications
Installation of Aerospace Logic Aircraft Instruments.
FAA holder: Aerospace Logic Inc.
SA03148NY (PAGE 2)Other aircraft modifications
The installation of the Latitude Technologies Corporation S100 Tracking System.
FAA holder: Latitude Technologies Corporation
SA5156NMOther aircraft modifications
Fabrication and installation of Pulsar-MOSFET Landing Light Flasher System.
FAA holder: AvTek
SA01487SE-D (PAGE 2)Aircraft connectivity
Installation of a GDL 69 or GDL 69A XM Satellite Receiver.
FAA holder: Garmin International Inc
SA593CH (PAGE 2)Other aircraft modifications
Install Champion SlickSTART magneto booster system.
FAA holder: Champion Aerospace LLC
SA4005NM (PAGE 2)Other aircraft modifications
Precise Flight Inc. Pulselite Control System.
FAA holder: Precise Flight Inc
SA09502AC-DOther aircraft modifications
Ins(;illation oT S-TEC System 20/30 Single and Two Axis Automatic Flight Guidance Systems, System40/50 Single and Two Axis Automat it Flight Guidance Systems, and System 30 ALT Altitude Hold System, Model ST-881,.
FAA holder: S-TEC Corporation