ST01823WIAvionics
Installation of Garmin GTS Traffic Sensor with Garmin GTX 3000 Mode S Transponders with ADS-B Out.
FAA holder: Blackhawk Aerospace Technologies Inc.
Aircraft STC directory
Textron Aviation S550 STCs
The Jun 30, 2026 FAA DRS snapshot contains 51 selected supplemental type certificates with status Current whose public applicability data names the Textron Aviation S550. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
51
listed Current at snapshot
23
holder directories
9
modification categories
Jun 10, 2026
latest recorded revision
Modification demand surface
Avionics20
Other aircraft modifications14
Electrical systems5
Landing gear and brakes3
Aircraft connectivity3
Engine and powerplant2
Cabin and interiors2
Safety and emergency equipment1
Aircraft structures1
Recorded holders
Blackhawk Aerospace Technologies Inc.9Sierra Industries Ltd.7Textron Aviation Inc4Chippewa Aerospace, Inc.3Aerospace Design & Compliance LLC2Acron Aviation Inc.2JETTECH LLC2Kaman Corporation Aircraft Wheel and Brake LLC23S Certification LLC1BHE & Associates LTD1Elliott Aviation Technical Products Development, Inc.1L2 Aviation1Summit Aviation Inc.1Peregrine1Aero-Mach Wilco LLC1Carlisle Interconnect Technologies Inc.1Honeywell International Inc1MarathonNorco Aerospace Inc1Skyway Group Inc1Purolator Facet, Inc1
Recently revised S550 STCs
Showing the 51 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
ST00197IBOther aircraft modifications
Installation of the Universal Quick Access Recorder (uQAR).
FAA holder: Flight Data Technologies Inc.
ST12344IBOther aircraft modifications
Replacement of the Halon Type 1211 portable fire extinguisher with Halotron BrX portable fire extinguisher with Halotron BrX portable fire extinguisher.
FAA holder: Cessna Duesseldorf Citation Service Center GmbH
ST04201NYEngine and powerplant
Installation of ENode Engine Data Acquisition Unit & IONode Digital Data Recorder.
FAA holder: Aerospace Design & Compliance LLC
ST02016WILanding gear and brakes
Installation of the Meggitt Wireless Tire Pressure Sensor.
FAA holder: 3S Certification LLC
ST11216DSAvionics
Installation of automatic dependent surveillance-broadcast (ADS-B) out on Part 25 aircraft.
FAA holder: BHE & Associates Ltd.
ST02718LAAvionics
Modification to replace the existing standby instrument.
FAA holder: Acron Aviation Inc.
ST03292CHAircraft connectivity
Activation of an 802.11 a/b/g/n WiFi System.
FAA holder: Elliott Aviation Technical Products Development, Inc.
ST155CHAvionics
Installation of BF Goodrich Avionics systems TCAS791 traffic alert and collison avoidance system I (TCASI).
FAA holder: Acron Aviation Inc.
ST04736NYElectrical systems
True Blue TS28 Emergency Battery Power Supply Replacement.
FAA holder: Aerospace Design and Compliance LLC
ST04575ATOther aircraft modifications
Installation of the Rockwell Collins ALT-1000+/ -4000+ with 5G Filtering.
FAA holder: Chippewa Aerospace Inc.
ST02029WIAvionics
Installation of Garmin GI 275 Standby Instrument and GSB 15 USB Port.
FAA holder: Blackhawk Aerospace Technologies
SA1773SOElectrical systems
Installation of a third stand-by attitude gyro and dedicated power supply AIM P/N PE 24-1RM.
FAA holder: Summit Aviation Inc
ST01070DEOther aircraft modifications
Installation of the Curtiss-Wright Fortress Flight Data Recorder (with Cockpit Voice Recorder).
FAA holder: Peregrine
ST00011WIElectrical systems
Installation of Concorde RG380E/40 and 40B battery.
FAA holder: Aero-Mach Wilco LLC
SA1441GLOther aircraft modifications
Installation of Cleveland Main Wheels and Brakes.
FAA holder: Kaman Corporation Aircraft Wheel and Brake LLC
SA882GLLanding gear and brakes
Install aircraft wheel and brake conversion kit 199-137.
FAA holder: Kaman Corporation Aircraft Wheel and Brake LLC
ST04281ATAvionics
Installation for the Upgrade of the NZ-2000 FMS computer for software version NZ6.
FAA holder: Chippewa Aerospace Inc
ST00617WIAvionics
Installation of Bendix/King EFS-50 Two-Tube (EFIS) Electronic Flight Instrumentation System. For \n 550 (S/N 0002 thru 0733).
FAA holder: Blackhawk Aerospace Technologies Inc.
ST00624WIAvionics
Installation of Bendix/King EFS-50 Five-Tube (EFIS) Electronic Flight Instrumentation System. FOr \n 550 (S/N 0002 thru 0733).
FAA holder: Blackhawk Aerospace Technologies Inc.
ST01149WIOther aircraft modifications
Installation of IS&S Air Data System with Reduced Vertical Separation Minimum (RVSM) compliant Dual Air Data System.
FAA holder: Blackhawk Aerospace Technologies Inc.
ST01197WIAvionics
Installation of Universal Avionics EFI-550 2-Display EFIS System. Data required: (1) Columbia Avionics, Inc. Master Document List No. 30141165, Revision 3, dated September 24, 2003; and (2) FAA Approved Flight Manual Supplement 30141180, dated September 30, 2003, or later FAA Approved Revisions to (1) or (2).
FAA holder: Blackhawk Aerospace Technologies Inc.
ST01252WIAvionics
Reduced Vertical Separation Minimum (RVSM) group airworthiness approval of Cessna Model S550 and 560 Citation Aircraft in accordance with Columbia Avionics, Inc. Master Document List RVSM Group Approval Cessna S550/560, Document No. 30141243, Rev. 3, dated June 4, 2004, or later FAA approved revision.
FAA holder: Blackhawk Aerospace Technologies Inc.
ST01466WIAvionics
Installation of Universal Avionics EFI-890R Flat Panel EFIS System.
FAA holder: Blackhawk Aerospace Technologies Inc.
ST01691WIAvionics
Installation of Garmin GTN Series GPS/Comm/Nav Systems with optional Garmin GDL-69/A XM Weather Data Link, GTX-33 Series Transponders and optional Bendix/King KMR-675 Marker Beacon Receiver.
FAA holder: Blackhawk Aerospace Technologies Inc.
ST01929WIAvionics
Installation of Garmin G700 TXi EFIS system and GWX 75 Weather Radar.
FAA holder: Blackhawk Aerospace Technologies Inc.
ST02642ATOther aircraft modifications
Installation of a RVSM Air Data System.
FAA holder: Carlisle Interconnect Technologies Inc.
SA4511NMAvionics
Installation of Dual Honeywell Primus II Communication and Navigation System.
FAA holder: Honeywell International Inc
ST01027DEElectrical systems
Installation of MarathonNorco Aerospace Inc Nickel Cadmium battery in place of existing Nickel Cadmium main aircraft battery/batteries.
FAA holder: MarathonNorco Aerospace Inc
ST01897WIAvionics
Installation of the RVSM capable Garmin G700 with GDU-1060 Touch Screen Primary Flight Display (PFD).
FAA holder: JETTECH LLC
SA2126CEAvionics
Installation of special avionics package consisting of: Bendix EFS-10 Electronic Flight Instrument System (5 tube), Bendix navigation and communication radios, Bendix RDS-86 radar, Litton LTN-3100 navigation system, Bendix radar altimeter, King KHF-950 HF transceiver, Global GNS-1000 flight management system, 3M (Ryan) WX-11J stormscope, and Wulfsberg Flitefone VI.
FAA holder: Textron Aviation Inc.
SA2211CEOther aircraft modifications
Installation of Sperry VA-100 Voice Advisory System.
FAA holder: Textron Aviation Inc.
ST00361WISafety and emergency equipment
Installation of the AlliedSignal (Sundstrand) MARK VI Ground Proximity Warning System.
FAA holder: Textron Aviation Inc.
ST00366WIOther aircraft modifications
Installation of Keddeg Company P/N 21BC115 Coalescer Assembly.
FAA holder: Purolator Facet, Inc
ST09630ACAvionics
Installation of Meggitt Avionics Engine Instrument Display System.
FAA holder: Sierra Industries Ltd.
ST09718ACAircraft connectivity
Installation of Artex C406 (406 MHz) Series emergency locator transmitter, antenna, and remote switch assembly.
FAA holder: Sierra Industries Ltd.
SA09229SCAircraft structures
Removal of mechanical factory nose baggage door stop assemblies and installation of pneumatic gas cylinder baggage door openers.
FAA holder: Sierra Industries Ltd.
SA8437SWOther aircraft modifications
Installation of nose radome quick release mechanism.
FAA holder: Sierra Industries Ltd.
ST09011SCLanding gear and brakes
Installation of a pilot's, control wheel mounted, alternate gear horn silence switch.
FAA holder: Sierra Industries Ltd.
ST09559ACEngine and powerplant
Installation of Williams/Rolls FJ44-2A engine. Installation of STC SA732NW required for this mod.
FAA holder: Sierra Industries Ltd.
ST09863ACCabin and interiors
Removal of original equipment manufacturer ladder and installation of a new design cabin entrance step assembly.
FAA holder: Sierra Industries Ltd.
ST02632LAAvionics
Modification to replace the existing Mode S Transponder system with ACSS NXT-700 Mode S Transponder with ADS-B Out and optionally install ACSS NXG-900 GPS as a position source for ADS-B Out.
FAA holder: Aviation Communications and Surveillance Systems
ST04367ATOther aircraft modifications
Removal of the Existing Honeywell DL-900 or DL-950 Data Loader and Installation of the Honeywell DL-1000 Data Loader.
FAA holder: Chippewa Aerospace Inc
SA2164CEAvionics
Installation of copilot's Foster LNS-616A Long Range Navigation System (with Loran-C) per Cessna Drawing Index CF90003, revision A, dated March 19, 1986, or later FAA Approved revision. Airplane Flight Manual Supplement FM90004 dated March 21, 1986, or later FAA Approved revision, must be inserted in the Airplane Flight Manual when the airplane is modified per this STC.
FAA holder: Textron Aviation Inc
ST00796DEElectrical systems
Installation of Teledyne Battery Products P/N 7638-44T Lead-Acid Battery.
FAA holder: Teledyne Battery Products
ST00800DEOther aircraft modifications
Modification of a TCAS II system installation to Change 7.1.
FAA holder: West Star Aviation Inc
ST03138CHOther aircraft modifications
Installation of Electronic Flight Bag (EFB Class 2) provisions for the use of Tablet PC s.
FAA holder: Pentastar Aviation LLC