FAA STC category
Other aircraft modifications STCs
Current FAA supplemental type certificates outside the principal modification categories. This directory contains 11,384 selected records listed with status Current in the June 30, 2026 FAA DRS snapshot and links every entry to its source.
Installation of Garrett model GTCP36 150(W) Auxiliary power unit.
FAA holder: Duncan Aviation Inc
Installation of Collins TCAS-94 TCAS II System.
FAA holder: Duncan Aviation Inc
Installation of Quad Securaplane Standby Power System.
FAA holder: Duncan Aviation Inc
Installation of Triple Honeywell Aerospace Electronics PRIMUS 2000 Flight Management System software version NZ 6.0 Upgrade.
FAA holder: Dassault Falcon Jet - Wilmington Corp
Installation of Collins flight directors.
FAA holder: Garrett Aviation Services
Installation of ground cooling freon system.
FAA holder: Raytheon Aircraft Services Inc
Installation of ground cooling freon system.
FAA holder: Raytheon Aircraft Services Inc
Installation of an aircraft security system.
FAA holder: Raytheon Aircraft Services Inc
Installation of an aircraft security system.
FAA holder: Raytheon Aircraft Services Inc
Installation of an Aircraft Security System.
FAA holder: Raytheon Aircraft Services Inc
Installation of Cam Air Shroud Airflow Heater System.
FAA holder: Dart Aerospace Limited
Installation of basic research equipment.
FAA holder: National Science Foundation
Installation of Hartzell Model PHC-C3YD-2UF/FC9587DB-7 or Model PHC-C3YD-2UF/FC9587D-7 propellers.
FAA holder: RAM Aircraft Limited Partnership
Replace the current PT6A-21 engines with PT6A-35 engines.
FAA holder: King Air 90 HP LLC
Installation of Honeywell MK VII EGPWS.
FAA holder: MidCanada Mod Center
Installation of an aluminum dorsal fin.
FAA holder: Central Flying Service
Installation of dual Nightscanner searchlights.
FAA holder: Air Methods Corporation
Installation of Crosstube Landing Lights.
FAA holder: Air Methods Corporation
Installation of two new air data computers.
FAA holder: Business Jet Technologies LTD.
Manufacture of Shoulder Harness Kits.
FAA holder: Dart Aerospace Limited
Installation of Dart Aerospace fixed step.
FAA holder: Dart Aerospace Limited
Installation of SX-5 Nightsun.
FAA holder: Vancouver Island Helicopters
Modification of rain repellent systems.
FAA holder: Donaldson Company Inc
Installation of D3A34C401/90DFA -2, -4, -6, -8, and -10 propellers.
FAA holder: Air Plains Services Corporation
Install one additional row of T/C seats.
FAA holder: American Airlines Inc
Installation of McCauley Model 4HFR34C762/94LMA-4 propellers. (A100 (U-21F) WITH STC SA1679SO INSTALLED).
FAA holder: McCauley Propeller Systems
Installation of McCauley propellers.
FAA holder: McCauley Propeller Systems
Installation of McCauley Model 4HFR34C653/L106FA-0 propellers.
FAA holder: McCauley Propeller Systems
Installation of Lake Central Air Services Horizontal Stabilizer Attachment Fitting.
FAA holder: Lake Central Air Services
Installation of dual articulating arms for electronic flight bag mounting with optional WSI weather system.
FAA holder: Gulfstream Aerospace Corporation
Installation of a CMC Electronics CT-1000G Flight-Deck Organizer System.
FAA holder: Pentastar Aviation LLC
Installation of replacement tail rotor pitch control tube assembly fairleads in tailboom.
FAA holder: Acrohelipro Global Services USA Inc.
Installation of Night Vision Goggle Compatible Lighting System.
FAA holder: Aero Dynamix Inc.
Addition of toilet provision.
FAA holder: Aerostar Aircraft Corporation
Modify two passenger seats to face aft.
FAA holder: Aerostar Aircraft Corporation
Certification of Reduced Vertical Separation Minimums (RVSM) operational capability.
FAA holder: Garrett Aviation Services
Installation of an Enhanced Vision System (EVS-1000).
FAA holder: Agusta Aerospace Corporation
Group approval for Reduced Vertical Separation Minimum (RVSM).
FAA holder: AeroMech Incorporated
Installation of Cold Weather Baffle Kit.
FAA holder: Dart Aerospace Limited
Installation of Honeywell Traffic Alert and Collision Avoidance System (TCASII).
FAA holder: ACSS (Aviation Communication and Surveillance Syst
Installation of a Honeywell Traffic Alert and Collision Avoidance System (TCASII).
FAA holder: ACSS (Aviation Communication and Surveillance Syst
Modification for increase in maximum weights.
FAA holder: Staggerwing Museum Foundation Inc.
Carburetor air scoops.
FAA holder: Staggerwing Museum Foundation Inc.
Three additional windows.
FAA holder: Staggerwing Museum Foundation Inc.
Installed astrodome.
FAA holder: Staggerwing Museum Foundation Inc.
Installation of a Honeywell CAS-67A Traffic Alert and Collision Avoidance System-II (TCAS-II).
FAA holder: Chippewa Aerospace, Inc.
Installation of ELS/EHS Mode S System Upgrade.
FAA holder: Northwest Aerospace Technologies Inc
Install retained latching system.
FAA holder: Goodrich Cargo Systems Inc
Installation Of Oilamatic Preoiler system.
FAA holder: Oilamatic Inc
Installation of Forward Short High Visibility Doors.
FAA holder: Eurocopter Canada Limited
Installation of a Honeywell CAS 67 TCAS II System.
FAA holder: Garrett Aviation Services
Installation of a baggage storage bin.
FAA holder: Volvo Aero Services LP
Descriptive data pertaining to this design change are considered inadequate for duplication in other products. This approval is limited to only the installation made in Lindstrand Balloons Ltd Model 90A, Serial No. 5303. Replace basket/burner system.
FAA holder: RE/MAX Southwest Regional Ad Fund
Fiberglass vertical fin mount for either Grimes or Whelen WRM rotating beacons.
FAA holder: Univair Aircraft Corporation
Descriptive data pertaining to this design change are considered inadequate for duplication in other products. This approval is limited to only the installation made in Gulfstream Aerospace model GV-SP, serial number 5060. Installation of a Corporate Aircraft Completion.
FAA holder: Gulfstream Aerospace Corporation
Installation of a right-hand litter kit.
FAA holder: Eurocopter Canada Limited
Installation of Dual Collins TPR-901 Mode-S Transponders with Elementary Surveillance Mode.
FAA holder: Aircraft Engineering & Installation Services Inc
Installation of Chamberlain 1012 Series radomes.
FAA holder: Saint-Gobain Performance Plastics Corp
Installation of Chamberlain 2001X series radome kits.
FAA holder: Saint-Gobain Performance Plastics Corp
2008X series radome.
FAA holder: Saint-Gobain Performance Plastics Corp
2002X-R radome assembly.
FAA holder: Saint-Gobain Performance Plastics Corp
2012X Series radomes.
FAA holder: Saint-Gobain Performance Plastics Corp
Installation of radome kit No. 2002X.
FAA holder: Saint-Gobain Performance Plastics Corp
2011X Series radome.
FAA holder: Saint-Gobain Performance Plastics Corp
2011K-B Series radome.
FAA holder: Saint-Gobain Performance Plastics Corp
Installation of radome P/N 2022X.
FAA holder: Saint-Gobain Performance Plastics Corp
Installation of Norton radome kit No. 2022X-3.
FAA holder: Saint-Gobain Performance Plastics Corp
Installation of Radome kit P/N4057KX.
FAA holder: Saint-Gobain Performance Plastics Corp
Modification of a Collins Airshow 400 System.
FAA holder: Rockwell Collins Inc
Installation of Rockwell-Collins TCAS-4000 Traffic and Collision Avoidance System (TCAS).
FAA holder: Dassault Falcon Jet - Wilmington Corp
Installation of Hartzell HC-B3TN-5/T10178E-13Q propellers on AiResearch Model TPE-331-43 series engines.
FAA holder: Pacific Propeller International LLC
Installation of EAC-12D40- AG-100-4S propellers on P&W R-1340-AN-1-SH1H-1.
FAA holder: Pacific Propeller International LLC
Upgrade Flight Data Recorder System Parameters.
FAA holder: C. A. Flor Flordclis
Reduced Vertical Separation Minimum (RVSM) non-group airworthiness approval.
FAA holder: Kohlman Systems Research Inc.
Installation of a Honeywell MK VI EGPWS.
FAA holder: Western Avionics
Installation of Locator II searchlight.
FAA holder: Stars Aviation Canada Inc
Installation of a Fujitsu FG Series Electronic Flight Bag and Audio International Mounting Arm.
FAA holder: Premier Avionics Design LLC
Installation of Type C containers.
FAA holder: ABX Air Incorporated
Horizontal stabilizer finlets for installation on Maule M-7-235, serial number 12001C ONLY.
FAA holder: Maule Aerospace Technologies Inc
Installation of Settling Protectors.
FAA holder: Eurocopter Canada Limited
Completion of the Class B Baggage Compartment.
FAA holder: Gulfstream Aerospace Corporation
Upgrade of FDR System.
FAA holder: Ministerio De Defensa Ejercito del Aire - MALOG/DMA