N555UH

STCs that may be installed · 123

Approved for this aircraft’s airframe or engine model. The registry doesn’t record which STCs an aircraft has; its records do. In force first, then newest.

Query with SQL
duckdb -csv -c "SELECT m.matched_by, s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model
  FROM (
    SELECT stc_number, min(side) AS side, arg_min(matched_by, side) AS matched_by, arg_min(matched_model, side) AS matched_model
    FROM (SELECT stc_number, 1 AS side, 'airframe' AS matched_by, matched_model FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet' WHERE aircraft_model_code = '7640102'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41575')
    GROUP BY stc_number
  ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number)
  ORDER BY m.side, s.status = 'Current' DESC, s.status_date DESC, s.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.

Airframe · Robinson Helicopter R22

STC SH12CEReplace existing engine induction air filter with AC Spark Plug Filter.Brackett Aero Filters Inc.STC SR01059CHInstall Lee Precision, Inc. 'Magic Wand' Cyclic Control System Vibration Absorber.Lee Precision, IncSTC SA00678SEInstallation of J. P. Instruments 8Jimline EGT-100 series primary instrumentsJ P InstrumentsSTC SR0162ATPermit replacement of existing 25 amp battery in original factory battery box with Concord Battery Corp, Model RG25XC.SMP, LTD Ron Anderson AircraftSTC SR00804NYManufacture and installation of bearpaws.Northeast Engr & Dev LtdSTC SH4969NMInstallation and fabrication of the Apollo Model DTM-3 spray tank system.Airwolf Filter CorporationSTC SA00061LAInstallation of JPI digital tachometer.J P InstrumentsSTC SA00238SEInstallation of Aviation Development Corporation's sump mounted chip detectorAviation Development CorporationSTC SR00166SEFabrication and installation of Busse Model CBD-1 Utility Tray Assembly.Carter Busse DesignsSTC SR0003BOInstallation of Helipod cargo containers.Altair Avionics CorporationSTC SR15BOInstallation of the Altair CCP-A-017-1 Collective Grip Assembly.Altair Avionics CorporationSTC SR9BOInstallation of the Altair SCY4-A-016-HH, -SH, -NH, or -NS Cyclic Grip Assemblies.Altair Avionics CorporationSTC SE00044SEInstallation of a Wild Model RC8-915 camera and associated systemsDavis Richard B.STC SR00044SEInstallation of Wild Model RC8-915 camera and associated systemsRichard B. Davis Co. Inc.STC SA1626NM PAGE 2Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series)Electronics InternationalSTC SH5237NMInstallation of Pneumatic door actuators on left and right cabin doors.Paravion Technology IncSTC SA2350NM PAGE 2Installation of Electronics International Inc digital carburetor/outside air temperature gaugesElectronics InternationalSTC SA4302NMInstallation of Electronics Int'l digital automatic engine analyzer.Electronics InternationalSTC SA3862NM PAGE 2Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories.Electronics InternationalSTC SH2351NMInstallation of a Classic Helicopters belly-mounted tank type agricultural spray system.Classic Helicopters CorporationSTC SA2190NM PAGE 2Installation of electronics International Digital Volt/Amp Gauges and Accessories.Electronics InternationalSTC SH1768NMRelocation oif battery from the original nose position to the pilot seats' baggage compartmentHillsboro Helicopters IncSTC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.Electronics International

Engine · Lycoming O-360 series

STC SE04651CHTo allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22Swift Fuels LLC · Lists O-360-A1ASTC SE00825WIInstallation of Specialty Products Spin-on oil filter on Lycoming Engines.B & C Specialty Products Inc. · Lists O-360-A1ASTC SE208SOInstallation of ice indicator in the carburetor.LegacySTC.comSTC SE04349CHInstallation of SureFly electronic ignitionSureFly Partners Ltd. · Lists O-360-A1ASTC SE01954SEInstallation of engine crankcase seal.Ly-Con Rebuilding Company · Lists O-360-A1ASTC SE02352CHInstallation of Challenger cleanable oil filter assemblyChallenger Aviation Products Inc. · Lists O-360-A1ASTC SE00939WIInstallation of B&C Specialty Products Model BC 315-( ) Starter on Lycoming engines.B & C Specialty Products Inc. · Lists O-360-A1ASTC SE2390CEInstallation of B & C Speciality Products.B & C Specialty Products Inc.STC SE03232CHInstallation of Engine Preheat Kit p/n TA2925-1 for 115 volt applicationHartzell Propeller Inc. · Lists O-360-A1ASTC SE154SOInstallation of one Roto-Master Turbocharger P/N's 600573-00 (RJ0326-1, RJ0326) or 600576-00 (RJ0326-2, RJ0325.TALCO Aviation · Lists O-360-A1ASTC SE04577CHInstall an electronic engine ignition systemElectroair Acquisition Corp · Lists O-360-A1ASTC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesGeneral Aviation Modifications Inc. · Lists O-360-A1ASTC SE4408SWMiscellaneous engine cylinder replacement parts.Continental Motors, Inc.STC SE8776SWInstallation of coated cylinders and piston rings.Continental Motors, Inc.STC SE00218NYReplacement of Lycoming starter with SKY-TEC 12 volt starter installed.Hartzell Engine Technologies, LLCSTC SE00226NYReplacement of Lycoming starter with SKY-TEC 24-volt starter Models 149-24HT and 122-24HT. Approval limited to 24-volt DC source available to the starter.Hartzell Engine Technologies, LLC · Lists O-360-A1ASTC SE00357NYReplacement of Lycoming starter with SKY-TEC 24-volt starter installed.Hartzell Engine Technologies, LLCSTC SE03495NYInstallation of an electronic ignition system, an air conditioning compressor, and an oil filter adapterHelicopteres Guimbal S.A. · Lists O-360-J2ASTC SE2901NMLycoming valve cover gasketReal Gaskets Tennessee · Lists O-360-A1ASTC SE02291ATConversion of the engine from a carburetor fuel system and magneto ignition system to a full authority digital electronic control (FADEC) system for fuel injection and ignition.Continental Motors, Inc. · Lists O-360-A1ASTC SE01524CHReplace Slick 6000, 6100, 6200, 6300, 4000, 4100, 4200, and 4300 series magnetos and TCM/Bendix S6-20, S6-200, S6-1200, S-20, S-200, and S-1200 series magnetos with Champion Limited Authority Spark Advance Regulator (LASAR ) Model 4755 and 6755 bush kit ignition systems.Champion Aerospace LLC · Lists O-360-A1ASTC SE1017GLRemoval of the Type certificated Bendix magnetos and ignition harnesses followed by the installation of Slick magneto Models 4250 and 4251 with Slick ignition harnessesChampion Aerospace LLC · Lists O-360-A1ASTC SE524CHReplace Slick 4000, 4100, 4200, and 4300 series magnetos and TCM/Bendix S-20, S-200, and S-1200 series magnetos with the Champion Limited Authority Spark Advance Regulator (LASAR )Champion Aerospace LLC · Lists O-360-A1ASTC SE8193SWGrind nitriden high compression cylinder barrles to plus .010 oversize and install SL75089 P10 piston, SL74242 P10 compression ring, and SL73857 P10 oil ring.Superior Air Parts Inc. · Lists O-360-A1ASTC SE927GLInstallation of a Shadin Co. fuel flow transducer.Shadin Avionics · Lists O-360-A1ASTC SE02285ATData pertaining to this modification are considered to be inadequate for duplication in other engines. This modification is applicable to Lycoming engine Serial Number L-31403-36A only.Glidden Dennis C · Lists O-360-C1ESTC SE1779NMInstallation of Precise Flight, Inc. Standby Vacuum System SVS IIIPrecise Flight Inc · Lists O-360-A1A
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