Aircraft STC directory
Air Tractor AT-502A STCs
The Jun 30, 2026 FAA DRS snapshot contains 48 selected supplemental type certificates with status Current whose public applicability data names the Air Tractor AT-502A. 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-502A STCs
Showing the 48 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of a digital payload hopper quantity and spray boom pressure indicating system.
FAA holder: Reabe Design LLC
Installation of the Avia Propeller Ltd. model V508H/108/A propeller.
FAA holder: MT-Propeller Entwicklung GmbH
Installation of L-3 Communications Avionics Systems.
FAA holder: Acron Aviation Inc.
Installation of L-3 GENESIS (TM) Electronic Standby Instrument System (ESI-500/MAG-500).
FAA holder: Acron Aviation Inc.
Spray System Installation. See attached FAA Approved Model List (AML) SA01995WI for required data.
FAA holder: Aeronautix, LLC
Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights.
FAA holder: AeroLED's Holdings, LLC
Installation of a True Quantity Gauge System.
FAA holder: Reabe Design LLC
Installation of Garmin GI 275 Multi-Function Display System.
FAA holder: Garmin International Inc.
Installation of a Hydraulic Actuator and Auger.
FAA holder: Texas Transland LLC
Installation of a Reabe Aircraft Improvement Power Gate Control System.
FAA holder: Reabe Design LLC
Installation of a Lever Throttle Quadrant.
FAA holder: Kawak Aviation Technologies Inc
Installation of a Kawak Aviation Technologies auxiliary system, and optional ancillary equipment.
FAA holder: Air Repair 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
Fabrication and installation of new or replacement of existing instrument panel lights dimmer control.
FAA holder: Seaton Engineering Corp.
Fabrication and installation of Landing Light Controller.
FAA holder: Seaton Engineering Corp.
Installation of Garmin GTN 6XX/7XX Navigation System.
FAA holder: Garmin International Inc
Installation of Garmin GTN 6XX/7XX Navigation System.
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
Install modified engine cowl per Cascade Flying Service LLC data.
FAA holder: Cascade Flying Service LLC
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 Night Vision Goggle (NVG) compatible lighting system in Air Tractor, Inc.
FAA holder: REB Technologies Inc
Installation of Globalstar Antenna and Cradle provisions to support a Globalstar GPS-1700 in non-composite airplanes.
FAA holder: Avidyne Corporation
Installation of AMSAFE Aviation Inflatable Restraints.
FAA holder: AMSAFE Inc.
Installation of Garmin GDL 88 ADS-B UAT Transceiver System.
FAA holder: Garmin International Inc
Approval of the L-3 Communications NGT 2000/2500 ADS-B system.
FAA holder: ADS-B Technologies, LLC
Installation of winglets.
FAA holder: Aero Spraying Service Inc.
Installation of Challenger Reusable Air Filter.
FAA holder: Challenger Aviation Products Inc.
Installation of Rotary Gatekeeper and provisions equipment.
FAA holder: Turbine Conversions Ltd
Installation of Reabe Aircraft Improvement modified ram air inlet system 7-1-0-000.
FAA holder: Reabe Aircraft Improvement Inc
Installation of Vortex Generators on the wings.
FAA holder: Micro AeroDynamics Inc
Installation of freon air conditioner.
FAA holder: ZEE Systems Inc.
Installation of a Cool Start System in accordance with Installation Instructions , Revision A, dated April 14, 2011, or later FAA Approved revision.
FAA holder: Turbine Conversions Ltd
Installation electrostatic spray equipment and controls in accordance with ZEE Systems, Inc. Document Number Z03-1 MDL-MDI, Revision D, dated 10-22-10; Airplane Flight Manual Supplement Document Number Z03-AFMS, Rev IR dated 12/27/2010; Instructions for Continued Airworthiness (ICA), Z03K000, Rev IR, dated 11-15-10, or later FAA approved revision are a required part of this modification.
FAA holder: Spectrum Electrostatic Sprayers 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.
Precise Flight Inc. Pulselite Control System.
FAA holder: Precise Flight Inc
Installation of hydraulically driven material dispersal gate for fire fighting applications.
FAA holder: Turbine Conversions Ltd
Installation of Pratt & Whitney Engine Services, Inc. Aircraft Data Acquisition System ADAS+, P/N ADAS-K-010.
FAA holder: Pratt & Whitney Engine Services Inc.
Installation of a Powered Hopper Lid and Auger System.
FAA holder: Reabe Design LLC
Replacement of 12 refrigerant in air conditioning system with Enviro Refrigerant Hotshot R414B.
FAA holder: Scale Modelbuilders Inc.