Supplemental type certificates

49,234 STCs, most recently changed first. Search by what an STC changes, its holder or a model.

Query with SQL
duckdb -csv -c "SELECT stc_number, description, holder, status, status_date
  FROM 'https://openairdocs.org/data/latest/faa_stc.parquet'
  ORDER BY status_date DESC NULLS LAST, stc_number"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

STC SA03025CHInstallation of weather research equipment and weather modification equipment for the purpose of modifying weather conditions3S Certification, LLC · Oct 21, 2026STC ST03438NYInstallation of Adams Rite Lavatory EquipmentDelta Engineering Corporation · Oct 16, 2026STC ST12526IBRadiant Type III RIPS InstallationSky Service F.B.O. Inc. · Oct 16, 2026STC SH2750NMInstallation of a Freon type cabin air conditioning system with engine-driven compressorAir Comm Corporation · Oct 15, 2026STC SA02054SEInstallation of winglets and related system changes.3S Certification, LLC · Oct 14, 2026STC SR09460RCInstallation of a Cabin Door Replacement.Summit Aviation Inc. · Oct 14, 2026STC ST04116NYUpdate of a Cabin InteriorDelta Engineering Corporation · Oct 14, 2026STC ST12509WIChange to Layout of Passenger AccommodationsDuncan Aviation, Inc. · Oct 10, 2026STC SA12478AKInstallation of Hartzell Engine Technologies (HET) ALT-FLX Alternators iMomentum Aeronautics Holdings, LLC · Oct 9, 2026STC SA12517WIInstallation of a Single Point Pressure Refueling SystemAO Aviation LLC · Oct 9, 2026STC SA02253AKInstallation of a McCauley 1A170/SFC or 1A175/DM 80-inch diameter fixed-pitch propeller.Burl's Aircraft LLC · Oct 7, 2026STC ST01305WI-DModification of a Collins ALT-50A or ALT-55B Radio Altimeter system installation to a Collins ALT-1000 or ALT-4000 Radio Altimeter system installation in accordance with Collins Drawing Index as listed on AML No. ST01305WI-D, Revision -, or later FAA approved revision.Rockwell Collins Inc · Oct 7, 2026STC ST04766NYInstallation of LAI Cabin Windows on Bombardier Inc.Lee Aerospace, Inc. · Oct 7, 2026STC ST11152SCInstallation of the Iridium Communications SystemL2 Aviation · Oct 7, 2026STC ST12434ACReplacement of the wing fuel tank access panel gasketAviation Devices & Electronic Components, LLC · Oct 6, 2026STC ST12518IBFlight Data Recorder (FDR) Installation Structural ProvisionsSky Service F.B.O. Inc. · Oct 6, 2026STC SR00206NYInstallation of 11,000 pound capacity Cargo SlingCarson Helicopters Inc. · Oct 5, 2026STC SR02753LAInstallation of an engine Inlet Barrier Filter (IBF)Aerometals Inc. · Oct 5, 2026STC ST02730SEInstallation of a VIP interiorGreenpoint Technologies, Inc. · Oct 1, 2026STC ST12515IBPotable Water System Tank Usable Volume Change, from 40 U.S. gallon to 60 U.S. gallon capacityBoeing Brasil Serviços Técnicos Aeronáuticos · Sep 30, 2026STC SA01233SEFabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assemblyABI, LLC · Sep 29, 2026STC SR02597SEInstallation of Purge Fuel Collector SystemTimberline Aerospace LLC · Sep 29, 2026STC SR02650SEInstallation of Station 34.5 Beam ModificationTimberline Aerospace LLC · Sep 29, 2026STC ST02572LAInterior Installations and ModificationsSafran Cabin Inc. · Sep 29, 2026STC ST12511IBInstallation of the Emergency Locator Transmitter (ELT) 4000/4000M UpgradeAvmax Aviation Services Inc. · Sep 28, 2026STC ST02714CHModify the aircraft interior to match standard passenger configurationsAtin OOH LLC · Sep 25, 2026STC SR12508IBInstallation of Personnel Carrying Devices (PCDs) for Human External Cargo (HEC)Ascent Aerospace Ltd. · Sep 23, 2026STC ST04612CHInstallation of a SpaceX Starlink Aviation SystemNextant Aerospace · Sep 23, 2026STC SA04617NYInstallation of the Medivac Audio SystemAvmax Aviation Services Inc. · Sep 22, 2026STC SR00653NYnstallation and configuration of Maintenance Step on Transmission Deck CowlingAirbus Helicopters Canada Limited · Sep 21, 2026STC ST12507IBIridium Antenna relocationQ.C.M. DESIGN GmbH · Sep 21, 2026STC SA04484CHInstallation of a Reabe Aircraft Improvement Power Gate Control SystemReabe Design LLC · Sep 17, 2026STC SA12472IBInstallation of the MT-Propeller Entwicklung GmbH MTV-15-B/203-58 propellerMT-Propeller Entwicklung GmbH · Sep 17, 2026STC SA12506NYInstallation of de-ice heaters (also known as horizontal tail heaters) and associated parts on the left hand and right hand of the horizontal stabilizerSterling Helicopter · Sep 17, 2026STC SR11409DSInstallation of a TDFM Communication SystemAirbus Helicopters Inc. · Sep 17, 2026STC SA12388AKRemoval of engine fire detection systemRandigo LLC · Sep 16, 2026STC SR00222DEInstallation of a vapor cycle air conditioning system.Air Comm Corporation · Sep 16, 2026STC ST12243IBInstallation of a VVIP cabin interiorJet Aviation AG · Sep 16, 2026STC SR12441MCInstallation of exterior NVIS compatible formation lightsLeonardo Helicopters US Corporation · Sep 15, 2026STC ST04669CHInstallation of Honeywell Advanced Communications and Entertainment System (ACES)Honeywell Aerospace · Sep 15, 2026STC SE12225ACThis STC will incorporate P&W 1700 rpm propeller reduction gearbox on P&WC engines to allow 1700 rpm propeller installationHigh Cotton Aircraft Conversions, LLC · Sep 14, 2026STC ST09889ACInstallation of Rockwell Collins LDS-2100 large display systems (LDS)L2 Aviation · Sep 14, 2026STC ST09893ACInstallation of an Iridium Communication System (ICS)L2 Aviation · Sep 14, 2026STC ST09933ACExpansion of parameters in the digital flight data acquisition unit (DFDAU)L2 Aviation · Sep 14, 2026STC ST09941ACInstallation of a Gables SATVOICE Annunciator PanelL2 Aviation · Sep 14, 2026STC ST11935CHInstallation of SpaceX Starlink Aviation SystemNextant Aerospace · Sep 12, 2026STC SA12141IBGOGO HDX antenna systems integrationFTI ENGINEERING NETWORK GmbH · Sep 11, 2026STC ST02269NYInstallation of Self Illuminating Floor Path Marking System.Lufthansa Technik AG · Sep 11, 2026STC ST11970ATInstallation of Honeywell MKV-A EGPWS SystemGulfstream Aerospace Corporation · Sep 11, 2026STC ST00153IBInstallation of Static Line ProvisionsVoyageur Aviation Corp. · Sep 10, 2026