# Supplemental type certificates FAA supplemental type certificates (STCs): approved design changes, the models each applies to and the ADs that name them. Page 1 of 983 · 49,107 STCs - [STC SA03025CH](https://openairdocs.org/stc/SA03025CH.md): Installation of weather research equipment and weather modification equipment for the purpose of modifying weather conditions · 3S Certification, LLC · Oct 21, 2026 - [STC ST03438NY](https://openairdocs.org/stc/ST03438NY.md): Installation of Adams Rite Lavatory Equipment · Delta Engineering Corporation · Oct 16, 2026 - [STC ST12526IB](https://openairdocs.org/stc/ST12526IB.md): Radiant Type III RIPS Installation · Sky Service F.B.O. Inc. · Oct 16, 2026 - [STC SH2750NM](https://openairdocs.org/stc/SH2750NM.md): Installation of a Freon type cabin air conditioning system with engine-driven compressor · Air Comm Corporation · Oct 15, 2026 - [STC SA02054SE](https://openairdocs.org/stc/SA02054SE.md): Installation of winglets and related system changes. · 3S Certification, LLC · Oct 14, 2026 - [STC SR09460RC](https://openairdocs.org/stc/SR09460RC.md): Installation of a Cabin Door Replacement. · Summit Aviation Inc. · Oct 14, 2026 - [STC ST04116NY](https://openairdocs.org/stc/ST04116NY.md): Update of a Cabin Interior · Delta Engineering Corporation · Oct 14, 2026 - [STC ST12509WI](https://openairdocs.org/stc/ST12509WI.md): Change to Layout of Passenger Accommodations · Duncan Aviation, Inc. · Oct 10, 2026 - [STC SA12478AK](https://openairdocs.org/stc/SA12478AK.md): Installation of Hartzell Engine Technologies (HET) ALT-FLX Alternators i · Momentum Aeronautics Holdings, LLC · Oct 9, 2026 - [STC SA12517WI](https://openairdocs.org/stc/SA12517WI.md): Installation of a Single Point Pressure Refueling System · AO Aviation LLC · Oct 9, 2026 - [STC SA02253AK](https://openairdocs.org/stc/SA02253AK.md): Installation of a McCauley 1A170/SFC or 1A175/DM 80-inch diameter fixed-pitch propeller. · Burl's Aircraft LLC · Oct 7, 2026 - [STC ST01305WI-D](https://openairdocs.org/stc/ST01305WI-D.md): Modification 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, 2026 - [STC ST04766NY](https://openairdocs.org/stc/ST04766NY.md): Installation of LAI Cabin Windows on Bombardier Inc. · Lee Aerospace, Inc. · Oct 7, 2026 - [STC ST11152SC](https://openairdocs.org/stc/ST11152SC.md): Installation of the Iridium Communications System · L2 Aviation · Oct 7, 2026 - [STC ST12434AC](https://openairdocs.org/stc/ST12434AC.md): Replacement of the wing fuel tank access panel gasket · Aviation Devices & Electronic Components, LLC · Oct 6, 2026 - [STC ST12518IB](https://openairdocs.org/stc/ST12518IB.md): Flight Data Recorder (FDR) Installation Structural Provisions · Sky Service F.B.O. Inc. · Oct 6, 2026 - [STC SR00206NY](https://openairdocs.org/stc/SR00206NY.md): Installation of 11,000 pound capacity Cargo Sling · Carson Helicopters Inc. · Oct 5, 2026 - [STC SR02753LA](https://openairdocs.org/stc/SR02753LA.md): Installation of an engine Inlet Barrier Filter (IBF) · Aerometals Inc. · Oct 5, 2026 - [STC ST02730SE](https://openairdocs.org/stc/ST02730SE.md): Installation of a VIP interior · Greenpoint Technologies, Inc. · Oct 1, 2026 - [STC ST12515IB](https://openairdocs.org/stc/ST12515IB.md): Potable Water System Tank Usable Volume Change, from 40 U.S. gallon to 60 U.S. gallon capacity · Boeing Brasil Serviços Técnicos Aeronáuticos · Sep 30, 2026 - [STC SA01233SE](https://openairdocs.org/stc/SA01233SE.md): Fabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assembly · ABI, LLC · Sep 29, 2026 - [STC SR02597SE](https://openairdocs.org/stc/SR02597SE.md): Installation of Purge Fuel Collector System · Timberline Aerospace LLC · Sep 29, 2026 - [STC SR02650SE](https://openairdocs.org/stc/SR02650SE.md): Installation of Station 34.5 Beam Modification · Timberline Aerospace LLC · Sep 29, 2026 - [STC ST02572LA](https://openairdocs.org/stc/ST02572LA.md): Interior Installations and Modifications · Safran Cabin Inc. · Sep 29, 2026 - [STC ST12511IB](https://openairdocs.org/stc/ST12511IB.md): Installation of the Emergency Locator Transmitter (ELT) 4000/4000M Upgrade · Avmax Aviation Services Inc. · Sep 28, 2026 - [STC ST02714CH](https://openairdocs.org/stc/ST02714CH.md): Modify the aircraft interior to match standard passenger configurations · Atin OOH LLC · Sep 25, 2026 - [STC SR12508IB](https://openairdocs.org/stc/SR12508IB.md): Installation of Personnel Carrying Devices (PCDs) for Human External Cargo (HEC) · Ascent Aerospace Ltd. · Sep 23, 2026 - [STC ST04612CH](https://openairdocs.org/stc/ST04612CH.md): Installation of a SpaceX Starlink Aviation System · Nextant Aerospace · Sep 23, 2026 - [STC SA04617NY](https://openairdocs.org/stc/SA04617NY.md): Installation of the Medivac Audio System · Avmax Aviation Services Inc. · Sep 22, 2026 - [STC SR00653NY](https://openairdocs.org/stc/SR00653NY.md): nstallation and configuration of Maintenance Step on Transmission Deck Cowling · Airbus Helicopters Canada Limited · Sep 21, 2026 - [STC ST12507IB](https://openairdocs.org/stc/ST12507IB.md): Iridium Antenna relocation · Q.C.M. DESIGN GmbH · Sep 21, 2026 - [STC SA04484CH](https://openairdocs.org/stc/SA04484CH.md): Installation of a Reabe Aircraft Improvement Power Gate Control System · Reabe Design LLC · Sep 17, 2026 - [STC SA12472IB](https://openairdocs.org/stc/SA12472IB.md): Installation of the MT-Propeller Entwicklung GmbH MTV-15-B/203-58 propeller · MT-Propeller Entwicklung GmbH · Sep 17, 2026 - [STC SA12506NY](https://openairdocs.org/stc/SA12506NY.md): Installation of de-ice heaters (also known as horizontal tail heaters) and associated parts on the left hand and right hand of the horizontal stabilizer · Sterling Helicopter · Sep 17, 2026 - [STC SR11409DS](https://openairdocs.org/stc/SR11409DS.md): Installation of a TDFM Communication System · Airbus Helicopters Inc. · Sep 17, 2026 - [STC SA12388AK](https://openairdocs.org/stc/SA12388AK.md): Removal of engine fire detection system · Randigo LLC · Sep 16, 2026 - [STC SR00222DE](https://openairdocs.org/stc/SR00222DE.md): Installation of a vapor cycle air conditioning system. · Air Comm Corporation · Sep 16, 2026 - [STC ST12243IB](https://openairdocs.org/stc/ST12243IB.md): Installation of a VVIP cabin interior · Jet Aviation AG · Sep 16, 2026 - [STC SR12441MC](https://openairdocs.org/stc/SR12441MC.md): Installation of exterior NVIS compatible formation lights · Leonardo Helicopters US Corporation · Sep 15, 2026 - [STC ST04669CH](https://openairdocs.org/stc/ST04669CH.md): Installation of Honeywell Advanced Communications and Entertainment System (ACES) · Honeywell Aerospace · Sep 15, 2026 - [STC SE12225AC](https://openairdocs.org/stc/SE12225AC.md): This STC will incorporate P&W 1700 rpm propeller reduction gearbox on P&WC engines to allow 1700 rpm propeller installation · High Cotton Aircraft Conversions, LLC · Sep 14, 2026 - [STC ST09889AC](https://openairdocs.org/stc/ST09889AC.md): Installation of Rockwell Collins LDS-2100 large display systems (LDS) · L2 Aviation · Sep 14, 2026 - [STC ST09893AC](https://openairdocs.org/stc/ST09893AC.md): Installation of an Iridium Communication System (ICS) · L2 Aviation · Sep 14, 2026 - [STC ST09933AC](https://openairdocs.org/stc/ST09933AC.md): Expansion of parameters in the digital flight data acquisition unit (DFDAU) · L2 Aviation · Sep 14, 2026 - [STC ST09941AC](https://openairdocs.org/stc/ST09941AC.md): Installation of a Gables SATVOICE Annunciator Panel · L2 Aviation · Sep 14, 2026 - [STC ST11935CH](https://openairdocs.org/stc/ST11935CH.md): Installation of SpaceX Starlink Aviation System · Nextant Aerospace · Sep 12, 2026 - [STC SA12141IB](https://openairdocs.org/stc/SA12141IB.md): GOGO HDX antenna systems integration · FTI ENGINEERING NETWORK GmbH · Sep 11, 2026 - [STC ST02269NY](https://openairdocs.org/stc/ST02269NY.md): Installation of Self Illuminating Floor Path Marking System. · Lufthansa Technik AG · Sep 11, 2026 - [STC ST11970AT](https://openairdocs.org/stc/ST11970AT.md): Installation of Honeywell MKV-A EGPWS System · Gulfstream Aerospace Corporation · Sep 11, 2026 - [STC ST00153IB](https://openairdocs.org/stc/ST00153IB.md): Installation of Static Line Provisions · Voyageur Aviation Corp. · Sep 10, 2026 Next page: https://openairdocs.org/stc.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 ``` This list as a web page: https://openairdocs.org/stc --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.