Aircraft STC directory
Bell Helicopter Textron 205A-1 STCs
The Jun 30, 2026 FAA DRS snapshot contains 142 selected supplemental type certificates with status Current whose public applicability data names the Bell Helicopter Textron 205A-1. 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 205A-1 STCs
Showing the 100 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
Installation of the Aft Pedestal Stowage Compartment.
FAA holder: Alpine Aerotech LP
Installation of pneumatic door actuators.
FAA holder: Dart Aerospace USA Inc.
Fabrication and installation of FastFin System.
FAA holder: BLR Aerospace LLC.
Installation of Night Vision Goggle Compatible Interior Lighting System.
FAA holder: REB Technologies Inc.
Installation of Extended Port Seat Rail.
FAA holder: Ascent Aerospace Ltd.
Installation of P178 Failsafe Audio Mixer.
FAA holder: AEM USA Inc.
Installation of the Human External Cargo (HEC) Suspension Line Kit.
FAA holder: Boost Human External Cargo Systems Inc.
Installation of a Supplemental Lighting System, manufactured and installed.
FAA holder: Aviation Specialties Unlimited Inc.
Fabrication of the Onboard Model 200-095-00 Multi-Channel Electrical Slip-Ring Kit.
FAA holder: Onboard Systems International
Fabrication of Onboard Systems Model 200-246-00 cargo hook kit.
FAA holder: Onboard Systems International
Installation of a Helicopter Technology Company main rotor blade assembly.
FAA holder: Helicopter Technology Co
Installation of Quick Release Mounting Provisions & Quick Release Cargo Basket.
FAA holder: Dart Aerospace Ltd.
Installation of Vertical Reference Door with left seat operation provisions.
FAA holder: Dart Aerospace Ltd.
Installation of Honeywell T5317A, T5317B, or T5317BCV Engine.
FAA holder: Eagle Copters Maintenance Ltd
Installation of GPS Receiver and Gimbal Mount System.
FAA holder: Dart Aerospace Ltd.
Install air ambulance conversion in accordance with Spectrum Aeromed Inc. Drawings as listed on AML SA01213CH, or later FAA approved revision.
FAA holder: Spectrum Aeromed LLC dba Spectrum Aeromed
Fabrication and installation of Dart D412-742 Float Skidtube.
FAA holder: Dart Aerospace USA Inc.
Fabrication of the Dart D205-803/D212-803 LH Pilot in Command Kits.
FAA holder: Dart Aerospace USA Inc.
Installation of Olympic Aero Services, Inc. Additional Telemetry Unit (ATU).
FAA holder: OLYMPIC AERO SERVICES INC.
Fabrication of BLR Aerospace (BLR) tail boom mounted strakes.
FAA holder: BLR Aerospace LLC.
Installation, maintenance and affectivity of replacement composite driveshaft covers.
FAA holder: Trinity Aviation Services Limited
Push-out type emergency escape window.
FAA holder: Associated Air Center, Inc. - c/o CT Corporation System
Installation of Concorde Battery P/N RG-380E/40.
FAA holder: Concorde Battery Corporation
Installation of Exterior Door Handle Kits.
FAA holder: Alpine Aerotech LP
Installation of Chelton Flight Systems FlightLogic EFIS.
FAA holder: Genesys Aerosystems, Inc.
Installation of Apical Industries, Inc. Cable Cutters Kit.
FAA holder: Apical Industries, Inc. dba Dart Aerospace
Installation of nine place forward facing seats.
FAA holder: RSG Products
Installation of Baggage Compartment Protection Kit.
FAA holder: Alpine Aerotech LP
Installation of replacement fuel cap or locking fuel cap.
FAA holder: Bell Helicopter Textron Inc.
Installation of Main Rotor Tie Down.
FAA holder: Dart Aerospace Limited
Installation of AlliedSignal T5371A and T5317B engines in a Bell 205A-1 helicopter.
FAA holder: Hillsboro Aviation Inc
Fabrication, installation, and maintenance of the Vertical Reference Door.
FAA holder: Hillsboro Aviation Inc
Installation of a Dual Electric Boost Pump System.
FAA holder: Hillsboro Aviation Inc
Installation of Centrisep AE-A170-5, -6, or -7 Air Cleaners.
FAA holder: Hillsboro Aviation Inc
Installation of Howell H2900K-436 Exhaust Gas Temperature Indicator.
FAA holder: Hillsboro Aviation Inc
Installation of new rotor blades and associated hardware.
FAA holder: Hillsboro Aviation Inc
Installation, maintenance, and operation of an engine wash kit.
FAA holder: Hillsboro Aviation Inc
Installation of Retractable Hardpoints System.
FAA holder: Bell Helicopter Textron Inc.
Foxtronics/Tramm BTI 600 nickel cadmium battery temperature system.
FAA holder: FoxCart GSE, LLC
Installation of NAT AMS43 TSO Audio System.
FAA holder: Maxcraft Avionics Ltd.
Fabrication of either the Ag-Air Systems Model 35000 or Model 35250 Auxiliary Hydraulic Power Take Off System.
FAA holder: Kawak Aviation Technologies Inc
Installation of tail light fairing assembly ERA Dwg. 41233-100-100, detail of tail light fairing assembly on ERA Dwg. 41233-100-001.
FAA holder: Apical Industries Inc. dba Dart Aerospace
Installation of NASI Supplemental Air Conditioning Module.
FAA holder: National Aircraft Service Inc
Installation of Dual Hydraulic Collective Control System.
FAA holder: Eagle Copters Ltd
Installation of 145 gallon capacity or 140 gallon capacity external auxiliary fuel tanks on low skid landing gear.
FAA holder: Apical Industries, Inc. dba Dart Aerospace
Installation of external auxiliary fuel system.
FAA holder: Apical Industries, Inc. dba Dart Aerospace
Installation of Marathon PC-251 or KGS SPC-10 Solid State Inverters.
FAA holder: Rilpa Enterprises, Ltd
Cargo Mirror and Pulse Light Installation.
FAA holder: Alpine Aerotech LP
Installation of the Cargo Hook Retainer.
FAA holder: VIH Aerospace Inc
Installation of Aft Cabin Bulkhead Protector Kit.
FAA holder: Alpine Aerotech Ltd
Installation of extended height landing gear.
FAA holder: Dart Aerospace Limited
Installation of Latitude Technologies IONODE Flight Data Monitoring System.
FAA holder: Latitude Technologies Corporation
Fabrication of Simplex Model 304 fire attack system.
FAA holder: Simplex Manufacturing Company
Installation of Sliding Door Pop Out Windows.
FAA holder: Alpine Aerotech LP
Fabrication and installation of a Frahm vibration absorber.
FAA holder: Bell Helicopter Textron Inc.
Installation of external hoist.
FAA holder: Bell Helicopter Textron Inc.
Installation of replacement skid tubes.
FAA holder: Bell Helicopter Textron Inc.
Installation of replacement windows.
FAA holder: Bell Helicopter Textron Inc.
Installation of pushout window assembly.
FAA holder: Bell Helicopter Textron Inc.
Installation of replacement windshield.
FAA holder: Bell Helicopter Textron Inc.
Installation of retrofit kit, push out window.
FAA holder: Bell Helicopter Textron Inc.
Installation of Airglas L8500 or L8500A skis.
FAA holder: Airglas Inc.
Installation of an Electric Attitude Indicator.
FAA holder: VIH Aerospace Inc
Fabrication of Mechanical Specialties, Inc. Model 606 cargo hook in accordance with FAA approved Mechanical Specialties Master Drawing List No. 606 MOL, Revision "C," dated August 6, 1998, or later FAA approved revision: and installation of this cargo hook.
FAA holder: Mechanical Specialties Inc
Installation of replacement door handle.
FAA holder: Bell Helicopter Textron Inc.
Installation of replacement low skid landing gear crosstubes.
FAA holder: Bell Helicopter Textron Inc.
Installation of Skid Tube Rub Strips.
FAA holder: Alpine Aerotech Ltd
Installation of replacement high skid landing gear crosstubes.
FAA holder: Bell Helicopter Textron Inc.
Installation of an external load attachment mechanism in accordance with FAA Approved USDA Forest Service Master Drawing List and Rotorcraft Flight Manual Supplements, per Approved Model List SH261WE, and all subsequent FAA approved revisions to these documents.
FAA holder: USDA Forest Service
Manufacture of Air Deflector in accordance with Aeronautical Accessories, Inc. Drawing List Report No. AA-98158, no revision, dated November 11, 1998, or later FAA approved revisions, and installation per Aeronautical Accessories, Inc. Report AA-98101, no revision, dated October 29, 1998, or later FAA approved revisions.
FAA holder: Bell Helicopter Textron Inc.
Installation of a Supplemental Lighting System, manufactured and installed.
FAA holder: Aviation Specialties Unlimited Inc.
Installation of Flitestep.
FAA holder: Bell Helicopter Textron Inc.
Fabrication of Onboard Weighing Systems Model E-47 Cargo Hook Load Cell System.
FAA holder: Onboard Systems International
Installation of Aviation Development Corporation oil filter.
FAA holder: Aviation Development Corporation
Installation of Passenger and Crew Compartment Door Modifications.
FAA holder: VIH Aerospace Inc
Installation of a Vertical Reference Seat .
FAA holder: Alpine Aerotech Ltd
Installation of Protective Trim Kits.
FAA holder: Dart Aerospace Limited
Installation of Replacement Engine Mount Kit.
FAA holder: Dart Aerospace Limited
The installation of the SkyTrax3 Asset Tracking System must be performed.
FAA holder: GMC Guardian Mobility Corporation