Aircraft STC directory
Air Tractor AT-504 STCs
The cited FAA DRS record snapshots contain 29 selected supplemental type certificates with status Current whose public applicability data names the Air Tractor AT-504. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
Modification demand surface
Recorded holders
Recently revised AT-504 STCs
Showing the 29 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights.
FAA holder: AeroLED's Holdings, LLC
Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System.
FAA holder: Garmin International Inc.
Installation of Garmin Model GTN 625/635/650; 725/750 Navigation System.
FAA holder: Garmin International Inc.
Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500).
FAA holder: Acron Aviation Inc.
Installation of a True Quantity Gauge System.
FAA holder: Reabe Design LLC
Installation of a Lever Throttle Quadrant.
FAA holder: Kawak Aviation Technologies Inc
Approval of the L-3 Communications NGT 9000/9000R ADS-B system installed.
FAA holder: ADS-B Technologies LLC
Installation of a Garmin transponders: (a) GTX 330/330D/33/33D with ADS-B Out functionality; (b) GTX 335/335R/345/345R with ADS-B Out and In functionality; or (c) GTX 335R/345R with ADS-B Out functionality in select airplanes installed with G950/G1000 systems.
FAA holder: Garmin International Inc
Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data).
FAA holder: Electronics International Inc.
Installation of Latitude Technologies Skynode S200 Satcom system.
FAA holder: Latitude Technologies Corporation
Installation of a ground single point fueling system.
FAA holder: Turbine Conversions Ltd
Installation of the Flight Data Acquisition Storage and Transmission System (Fast).
FAA holder: Amtech Aeronautical Limited
Installation of a Cable Cutter System on the Main Landing Gear.
FAA holder: Hershey Flying Service Inc
Installation of a Center Windshield.
FAA holder: Hershey Flying Services
Installation of Garmin GDL 88 ADS-B UAT Transceiver System.
FAA holder: Garmin International Inc
Installation of a Hartzell Propeller model .HC-B4TN-3C/T10702NS (4 Blade).
FAA holder: Aero Innovations LLC
Approval of the L-3 Communications NGT 2000/2500 ADS-B system.
FAA holder: ADS-B Technologies, LLC
Installation of Rotary Gatekeeper and provisions equipment.
FAA holder: Turbine Conversions Ltd
Installation of Vortex Generators on the wings.
FAA holder: Micro AeroDynamics Inc
Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1).
FAA holder: Electronics International Inc.
Installation of a Time Trac Data Recorder.
FAA holder: P2 Incorporated
Installation of Electronics International digital volt/amp gauges and accessories.
FAA holder: Electronics International Inc.
Installation of a Powered Hopper Lid and Auger System.
FAA holder: Reabe Design LLC