Supplemental type certificates

49,107 STCs, most recently changed first. Search by what an STC changes, its holder or a model.

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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"

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STC ST04751NYInstallation of Provisions for Underwing StoresAirborne Holding Inc. dba Airborne Imaging · Jun 4, 2025STC SA11300DSUpgrade previously installed Collins Aerospace Radar AltimeterBHE & Associates Ltd. · Jun 3, 2025STC ST03747NYViasat KA SATCOM Antenna System InstallationALOFT AeroArchitects · Jun 3, 2025STC SA02871ATInstall Powerflow Systems, Inc., tuned exhaust system to enhance engine performancePower Flow Systems Inc. · May 30, 2025STC SA03015ATInstall Power Flow Systems, Inc. Improved Performance Exhaust SystemPower Flow Systems Inc. · May 30, 2025STC SA03231ATInstallation of an improved performance exhaust system.Power Flow Systems Inc. · May 30, 2025STC ST12014LAInstallation of Aerocon Engineering Company (AEC) On-Board AirstairsAircraft Technical Development Inc. Dba Aerocon Engineering Company · May 28, 2025STC SA00081NYInstallation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector.Alcor LLC · May 27, 2025STC SA239SWInstallation of Alcor exhaust gas temperature (EGT) indicator kitsAlcor LLC · May 27, 2025STC SA266SWInstallation of engine mount P/N M1 for Pratt & Whitney R-985 or R-1340 engine installation.AirCorps Aviation · May 27, 2025STC SA490SWInstallation of ALCOR turbocharger.Alcor Aviation LLC · May 27, 2025STC SA522SWInstallation of exhaust gas temperature (EGT), cylinder head temperature (CHT) components/ systems. All aircraft equipped with reciprocating engines are elgible for the installation of the Alcor EGT and CHT component systems.Alcor LLC · May 27, 2025STC SA543SWInstallation of Alcor turbocharger on aircraft modified to Continental IO-470-H engines.Alcor LLC · May 27, 2025STC SA5581SWInstallation of ALCOR true-flow/ totalizer systemAlcor LLC · May 27, 2025STC SA5757SWInstallation of Alcor tru-flow/ fuel flow/totalizer system.Alcor LLC · May 27, 2025STC SA5758SWInstall ALCOR fuel flow/totalizer system 24606 which includes transducer 86216 24606 indicator and related hardware.Alcor LLC · May 27, 2025STC SA5770SWInstallation of ALCOR fuel/ totalizer system 24606.Alcor LLC · May 27, 2025STC SA5788SWInstallation of ALCOR fuel flow/totalizer system 24606.Alcor LLC · May 27, 2025STC SA777SWInstallation of ALCOR Model 250 turbosupercharger. Serial Number 1850032 onlyAlcor LLC · May 27, 2025STC SA96SWMixture control indicator kits.Alcor LLC · May 27, 2025STC SE2932SWInstall carburetor air temperature indicator. Approved for Aircooled Motors (Franklin Engine Co.) equipped with float carburetors. Model eligibility included here may not be inclusive.Alcor LLC · May 27, 2025STC SE5583SWInstallation of fuel flow transducers (true-flow totalizer).Alcor LLC · May 27, 2025STC ST04637NYInstallation of Navigation-Dependent Position Determining - DO-260B TransponderAPTOZ EHF. · May 27, 2025STC ST04645NYInstallation of Navigation - Independent Position DeterminingAPTOZ EHF. · May 27, 2025STC ST04089NYInstallation of Cabin SeatingDelta Engineering Corporation · May 25, 2025STC SA12012AKInstallation of Sensenich Composite 2G0M8S/C82BGF PropellerSensenich Propeller Company · May 22, 2025STC ST00556CHInstallation of a single or dual Honeywell/Trimble HT9100 Global Navigation System.Amphenol Cable and Interconnect Technologies Inc. · May 22, 2025STC ST03193NYInstallation of a Panasonic eXLite In-Flight Entertainment SystemDelta Engineering Corporation · May 22, 2025STC ST02172SEInstallation of new ovensB/E Aerospace Inc. - FSI · May 21, 2025STC ST04672CHInstallation of FreeFlight Systems RA-5500 Radio Altimeter systemIFL Group Inc. · May 21, 2025STC SA01801ATFor the Cessna 172 airplane models incorporating Lycoming O-320 engines: Modification of the standard exhaust system as documented in Laminar Flow Systems Installation Instructions Document, "Laminar Flow System Extractor Exhaust System" Revision A, dated, November 20, 1998 and Technical Drawing List, Book No. PFS-B-800, dated, November 16, 1998 or per Power Flow Systems, Inc. Installation Instructions Document PFS-0058-00, Rev. A, dated October 5, 2001 and Master Drawing List, Report No. PFS-0032-00, Rev. IR, dated August 10, 2000, or later FAA approved revisions. For the Cessna 172 airplane models incorporating Lycoming O-320 ,O-360 0r IO-360 engines: Modify the standard exhaust system as document in Power Flow Systems, Inc. Installation Instructions Document PFS-13250-00, Rev B, dated, December 9, 2002 and Master Drawing list PFS-13240-00, Rev, IR, dated October 3, 2002.Power Flow Systems Inc · May 20, 2025STC SA02105ATModification of engine exhaust system for improved engine performance by installation of a Laminar Flow System Extractor Exhaust System.Power Flow Systems Inc. · May 20, 2025STC SA02115ATModification of engine exhaust system for improved engine performance by installation of a Laminar Flow System extractor exhaust system.Power Flow Systems Inc. · May 20, 2025STC SA02168ATModification of engine exhaust system for improved engine performance by installation of a Laminar Flow System Extractor Exhaust System.Power Flow Systems Inc. · May 20, 2025STC SA02200AKFabrication of replacement engine exhaust system assembly (P/N PA18ESA).Power Flow Systems Inc. · May 20, 2025STC SA02228ATFor model 172 airplanes with Lycoming O-360 engines per STC SA332GL or STC SA4428SW, modification of standard exhaust system. For model 172 with Lycoming O-360 engines per STC SA647CE or STC SA1324CE, modification of standard exhaust system.Power Flow Systems Inc · May 20, 2025STC SA02385AKInstallation of replacement engine exhaust system assembly (P/N P55C180ESA)Power Flow Systems Inc. · May 20, 2025STC SA1945CEIncrease normal category maximum gross weight from 2300 to 2400 lbs. and increase utility category maximum grow weight from 2000 to 2100 lbs. per Installation Instructions, STC SA1945CE, Gross Weight Increase for the C172N with an FAA approval date of January 3, 1989, or later.Power Flow Systems Inc. · May 20, 2025STC ST12032IBInstallation of the Center Console ExtensionAvmax Aviation Services Inc. · May 19, 2025STC SG03896NYInstallation and maintenance of ORATEX covering and coating materialAircraft Design & Certification Ltd · May 16, 2025STC ST00265NYInstallation of a Sundstrand (Gemini) T-20G-10C3/-10C3A APU.PATS Aircraft LLC · May 16, 2025STC ST11261DSInstallation ofUmlaut HAFEX UL (a Halon-Equivalent) Handheld Fire Extinguishers in the passenger cabin, flight deck, and overhead flight and cabin crew rests Interior modificationAmerican Airlines Inc. · May 16, 2025STC SA12011DEInstallation of Mission Equipment, including consoles and turret mountsSoutheast Aerospace · May 15, 2025STC SA2300CEInstallation of Removable External Baggage Compartment.Avcon Industries Inc · May 15, 2025STC SR03526NYInstallation and Configuration of Electrical Power Supply for Optional 50Amp / Longline / Carousel SystemsAirbus Helicopters Canada Limited · May 15, 2025STC SA04589CHInstallation of Hartzell Propeller model 5D3-NK366A1(Y)( )/91D17(B)Hartzell Propeller LLC · May 14, 2025STC SA12027IBInstallation of the MT-Propeller Entwicklung GmbH MTV-14-D/195-30() propellerMT-Propeller Entwicklung GmbH · May 14, 2025STC ST04003CHInstallation of a Kontron Stored Content Wireless In-Flight Entertainment (IFE) SystemAmphenol Cable and Interconnect Technologies Inc. · May 14, 2025STC ST12008LAInstallation of structural and electrical provisions for camera portal and medevac moduleIKHANA Group LLC · May 14, 2025STC ST11873SEInstallation of Starlink Aviation SystemAeroMech Incorporated · May 13, 2025