N20GD

STCs that may be installed · 519

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 = '1151520'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17380')
    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 · Beech H35

STC SA4-651Continental E-225-8 engine and Hartzell propeller.Carson Airplane Service · Lists 35 SeriesSTC SA4-70330409A lube oil filter with element 1A0235.Winslow Aerofilter Corp · Lists 35 SeriesSTC SA4-707Aerofilter 30409A lube oil filter with element 1A0235.Winslow Aerofilter Corp · Lists 35 SeriesSTC SA4-708Aerofilter 30409A lube oil filter with element 1A0235.Winslow Aerofilter Corp · Lists 35 SeriesSTC SA4-785Hartzell HC-12X20-7D/8433-0propeller.Wilson R K · Lists 35 SeriesSTC SA4-819Hartzell HC-12X20-7D/8433-0 propeller.Torbet Aircraft Inc · Lists 35 SeriesSTC SA4-925Magnetic flight director 2000.Clarkson Company · Lists 35 SeriesSTC SA4-96Manual-electric control for Beech 215-107/215-207-88 propeller.C & M Plumbing & Heating · Lists 35 SeriesSTC SA475EASAGA (semi-automatic gear actuating) system.In-Flight Devices Corp · Lists 35 SeriesSTC SA57CEFederal F-200 autopilot.Aircraft Components Inc · Lists 35 SeriesSTC SA626WESplit rear seat.Aviation Trim Company · Lists 35 SeriesSTC SA856WEGlassfiber reinforced plastic wing tips.ACKO · Lists 35 SeriesSTC SA90SWAK101 automatic pilot.Mitchell Industries Inc · Lists 35 SeriesSTC SA91SWAK102 automatic pilot.Mitchell Industries Inc · Lists 35 SeriesSTC SA4-280Installation of Ceco CE-9136, AN-4100 or AN-4101 electric fuel pump.Peter GluckmannSTC SA1-341Oil-free vacuum pump PA-201.Associated Aircraft Tool and Mfg, Inc · Lists 35 SeriesSTC SA1-343Oil-free vacuum pump.Associated Aircraft Tool and Mfg, Inc · Lists 35 SeriesSTC SA1-377Replacement of d.c. belt- driven generator and regulator with Leece-Neville belt-driven alternator with built-in silicon rectifier.Ellingsworth Prod CoInc · Lists 35 SeriesSTC SA1-478Griswold lateralizer.Griswold Aero · Lists 35 SeriesSTC SA1-491Flare rack modification to include radio equipment mount.Usher Aviation Radio Div · Lists 35 SeriesSTC SA001410BOInstallation of an AV-30-C Multi-Mode IndicatoruAvionix CorporationSTC SA03066ATManufacture of engine cowling fastenersMilSpec Products IncSTC SA00765DE PAGE 1Installation of Automatic Dependent Surveillance Broadcast (ADS-B) Out functionality using the BendixKing KT74 Transponder and qualified position sensorPeregrineSTC SA02153LA-DInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) SystemGarmin International IncSTC SA02717NYInstallation of VoiceFlight Systems LLC VFS101 Speech Recognition ModuleVoiceFlight Systems LLCSTC ST01085LAInstallation of the VNS 1000 Voice Navigation System.VNS IncorporatedSTC SA00281BO PAGE 2Installation of Avidyne Corporation MLX770 MultiLink Broadcast Transceiver P/N 700-00163-( ), Sensor Systems Inc. Antenna P/N S67-1575-109, or equivalent, and optional Avidyne Mounting Tray P/N 700-00165-000Avidyne CorporationSTC SA02153LAInstallation of Garmin G600 Primary Flight Display (PFD) and Multifunction Display (MFD) System.Garmin AT Inc.STC SA01933LAInstallation of Garmin Model 400W / 500W Series GPS-WAAS Navigation SystemGarmin AT Inc.STC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.Electronics International

Engine · Continental O-470-G

STC 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 · Lists O-470 SeriesSTC SE04349CHInstallation of SureFly electronic ignitionSureFly Partners Ltd.STC SE03309CHInstallation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt applicationHartzell Propeller Inc.STC SE04577CHInstall an electronic engine ignition systemElectroair Acquisition CorpSTC SE04599CHTo allow the use of UL-94 (minimum) grade aviation fuel meeting ASTM D7547.Swift Fuels LLCSTC SE01966WIUse of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft enginesGeneral Aviation Modifications Inc.STC SE09356SCInstall F & M Enterprises' Model C6LC, C6LC-S or C6LC-L oil filter adapter for a spin-on oil filterStratus Tool Technologies LLCSTC SE00102SEReplaces Teledyne-Continental Part Number 646277 lifter bodies in engine models listed below with lifter bodies.B & B Aviation LLCSTC SE5784NMReplacement of Teledyne Continental original camshaft.B & B Aviation LLCSTC SE09637SCRemove existing rocker arm assemblies and install modify rocker arm assemblies.General Aviation Modifications Inc.STC SE95WEInstallation of oil fitting (AN-823-5D) in rocker box cover.Airwolf Filter CorporationSTC SE325SWFull flow oil filter.Superior Flow Company · Lists O-470 SeriesSTC SE26WEPiston ring 250000, 250000+2W and250000+10W on Continental E Series piston 534895, O-470 piston 534895, 626992 and 537883 and IO-470 piston534895.Continental Motors, Inc. · Lists O-470 SeriesSTC SE34WEInstallation of Electro-Coatings, Inc., piston rings on Continental pistons.Continental Motors, Inc.STC SE8776SWInstallation of coated cylinders and piston rings.Continental Motors, Inc.STC SE3330NMContinental valve cover gasketReal Gaskets TennesseeSTC SE09846SCInstallation of S539800M30 starter adapter springs.Aircraft Specialties Services IncSTC SE1780NMInstallation of Precise Flight standby vacuum system (SVS III).Precise Flight IncSTC SE5743NMIntallation of adapter for externally mounted oil filter.Aviation Development CorporationSTC SE09513SCInstallation and usage of Exxon 20W50 Multigrade aircraft engine oil conforming to Exxon Oil Formulation WS-3013.Exxon Company USA · Lists O-470 Series
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