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 cited FAA DRS record snapshots contain 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
Recorded holders
Blackhawk Aerospace Technologies Inc.9Sierra Industries Ltd.7Textron Aviation Inc4Chippewa Aerospace, Inc.3Acron Aviation Inc.2JETTECH LLC2Kaman Corporation Aircraft Wheel and Brake LLC23S Certification LLC1BHE & Associates LTD1Elliott Aviation Technical Products Development, Inc.1L2 Aviation1Aerospace Design & Compliance LLC1Summit 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
Installation of the Universal Quick Access Recorder (uQAR).
FAA holder: Flight Data Technologies Inc.
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
Installation of the Meggitt Wireless Tire Pressure Sensor.
FAA holder: 3S Certification LLC
Installation of automatic dependent surveillance-broadcast (ADS-B) out on Part 25 aircraft.
FAA holder: BHE & Associates Ltd.
Modification to replace the existing standby instrument.
FAA holder: Acron Aviation Inc.
Activation of an 802.11 a/b/g/n WiFi System.
FAA holder: Elliott Aviation Technical Products Development, Inc.
True Blue TS28 Emergency Battery Power Supply Replacement.
FAA holder: Aerospace Design and Compliance LLC
Installation of the Rockwell Collins ALT-1000+/ -4000+ with 5G Filtering.
FAA holder: Chippewa Aerospace Inc.
Installation of Garmin GI 275 Standby Instrument and GSB 15 USB Port.
FAA holder: Blackhawk Aerospace Technologies
Installation of Concorde RG380E/40 and 40B battery.
FAA holder: Aero-Mach Wilco LLC
Installation of Cleveland Main Wheels and Brakes.
FAA holder: Kaman Corporation Aircraft Wheel and Brake LLC
Install aircraft wheel and brake conversion kit 199-137.
FAA holder: Kaman Corporation Aircraft Wheel and Brake LLC
Installation for the Upgrade of the NZ-2000 FMS computer for software version NZ6.
FAA holder: Chippewa Aerospace Inc
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.
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.
Installation of IS&S Air Data System with Reduced Vertical Separation Minimum (RVSM) compliant Dual Air Data System.
FAA holder: Blackhawk Aerospace Technologies Inc.
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.
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.
Installation of Universal Avionics EFI-890R Flat Panel EFIS System.
FAA holder: Blackhawk Aerospace Technologies Inc.
Installation of Garmin G700 TXi EFIS system and GWX 75 Weather Radar.
FAA holder: Blackhawk Aerospace Technologies Inc.
Installation of a RVSM Air Data System.
FAA holder: Carlisle Interconnect Technologies Inc.
Installation of Dual Honeywell Primus II Communication and Navigation System.
FAA holder: Honeywell International Inc
View record
Installation of Sperry VA-100 Voice Advisory System.
FAA holder: Textron Aviation Inc.
Installation of Keddeg Company P/N 21BC115 Coalescer Assembly.
FAA holder: Purolator Facet, Inc
Installation of Meggitt Avionics Engine Instrument Display System.
FAA holder: Sierra Industries Ltd.
Installation of nose radome quick release mechanism.
FAA holder: Sierra Industries Ltd.
Installation of a pilot's, control wheel mounted, alternate gear horn silence switch.
FAA holder: Sierra Industries Ltd.
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
View record
Installation of Teledyne Battery Products P/N 7638-44T Lead-Acid Battery.
FAA holder: Teledyne Battery Products
Modification of a TCAS II system installation to Change 7.1.
FAA holder: West Star Aviation Inc