Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System.
FAA holder: Garmin International Inc.
Aircraft STC directory
Aviat Aircraft A-1A STCs
The cited FAA DRS record snapshots contain 48 selected supplemental type certificates with status Current whose public applicability data names the Aviat Aircraft A-1A. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
48
listed Current at snapshot
27
holder directories
9
modification categories
Jul 2, 2026
latest recorded revision
Modification demand surface
Recorded holders
Garmin International Inc8Seaplanes 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-1A STCs
Showing the 48 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
Installation of Garmin GFC 500 Autopilot with Electronic Stability and Protection.
FAA holder: Garmin International Inc.
Installation of a Hartzell Propeller Inc. model HC-C2YR-IN/NG8301-3 propeller.
FAA holder: Hartzell Propeller LLC
Installation of the Hartzell Model 3C1-R430A1/80C01 Propeller.
FAA holder: Momentum Aeronautics Holdings LLC
Installation of an engine modified per STC SE04349CH.
FAA holder: SureFly Partners Ltd.
Installation of Acme Stinger tailwheel landing gear shock absorber.
FAA holder: Acme Suspensions LLC
Installation of Plane-Power ALT-FLX alternator.
FAA holder: Hartzell Engine Technologies, LLC
Installation of an MT-Propeller model MTV-15-B/210-58 and spinner assembly P-277-B.
FAA holder: McFarlane Aviation LLC
Installation of Airframes Alaska Aluminum Lift Struts.
FAA holder: Airframes Alaska LLC
Installation and maintenance of Oratex 6000 Covering and Coating System.
FAA holder: Lanitz-Prena Folien Factory GmbH
Installation of Garmin G5 Electronic Flight Instrument.
FAA holder: Garmin International Inc.
Fabrication and installation of a Tail Wheel Anti-Shimmy Dampener.
FAA holder: Keller Engineering Group LLC
Fabrication and installation of a Tail Wheel Anti-Shimmy Dampener.
FAA holder: Keller Engineering Group LLC
Installation of BendixKing by Honeywell KSN 770 and KSN 765 WAAS LPV approach capable nav/comm systems.
FAA holder: Honeywell International Inc (Bendix King)
Fabrication and installation of a camera housing.
FAA holder: Airborne Sensor LLC
Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.
FAA holder: Whelen Aerospace Technologies
Installation of the uAvionix skyBeacon Automatic Dependent Surveillance-Broadcast (ADS-B) Out.
FAA holder: uAvionix Corporation
Installation of Latitude Technologies Skynode S200 Satcom system.
FAA holder: Latitude Technologies Corporation
Installation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System.
FAA holder: Garmin International Inc.
Installation of a Mid-Continent MD302 Standby Attitude Module.
FAA holder: Mid-Continent Instruments and Avionics
Installation of Garmin Model 400W / 500W Series GPS-WAAS Navigation System.
FAA holder: Garmin International Inc
Installation of a hydraulically actuated ski drag assembly.
FAA holder: Northern Airframes LLC
Installation of Garmin G500 Primary Flight Display (PFD) and Multifunction Display (MFD) System.
FAA holder: Garmin International Inc
Installation of GX50/60 GPS Navigator, Capstone configured MX20 Multi-Function Display and UAT transceiver.
FAA holder: Garmin International Inc
Installation of EGT 701 series fuel flow instrument.
FAA holder: J P Instruments
Installation of J.P. Instruments (JPI) fuel flow indicating system.
FAA holder: J P Instruments
Installation of Aerospace Logic Aircraft Instruments.
FAA holder: Aerospace Logic Inc.
The installation of the Latitude Technologies Corporation S100 Tracking System.
FAA holder: Latitude Technologies Corporation
Installation of a GDL 69 or GDL 69A XM Satellite Receiver.
FAA holder: Garmin International Inc
Install Champion SlickSTART magneto booster system.
FAA holder: Champion Aerospace LLC
Precise Flight Inc. Pulselite Control System.
FAA holder: Precise Flight Inc