N1656C

STCs that may be installed · 680

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 = '2072602'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17236')
    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 · Cessna 180

STC SA939WEInsertion into exhaust collector or exhaust stack of thermocoupled cylinder, a probe to read relative exhaust temperature.Kennedy Richard WSTC SA981WETwo detachable folding rear seats replacing original rear seats.Missionary Avn FellowshipSTC SA4-820Installation of 18 gallon auziliary fuel tank in baggage compartmentM W Symons/Symons EngineeringSTC SA1-106Gyro-stabilizer 69A107.Globe Industries IncSTC SA1-124Lube oil filter BP55-1.Fram CorporationSTC SA1-16Federal F-300 autopilot.Aircraft Components, IncSTC SA1-212Hole cut in lower skin and reinforced.Inland Fisheries & Game DeptSTC SA1-221Gyro-stabilizer 69A124.Globe Industries IncSTC SA1-252Safety gear Model A.Geiss Gears, IncSTC SA1-519Griswold lateralizer and heading lock.Herbert BaerSTC SA001410BOInstallation of an AV-30-C Multi-Mode IndicatoruAvionix CorporationSTC SA03109ATManufacture of engine cowling fastenersMilSpec Products Inc.STC 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 SA3-480Change in airspeed and center of gravity limits with Edo 249-2870 floats and 2850 maximum weight.Alaska Coastal AirlinesSTC SA02333AK-DFabrication and installation of F. Atlee Dodge p/n 8008 Firewall Battery BoxF Atlee Dodge Aircraft Services LLCSTC SA00281BO PAGE 1Installation 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 SA01229SEInstallation of CNX80 GPS WAAS Navigator with integrated VHF Navigation and Communication radios.UPS Aviation TechnologiesSTC SA2350NMInstallation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories.Electronics InternationalSTC SA3656NMInstall a Lycoming O-540-E4C5 Engine, Hartzell HC-C2YK-1B/8477 Propeller, and a Cherokee Model 235 cowlingPaul Iverson

Engine · Continental IO-520-D

STC SE5583SWInstallation of fuel flow transducers (true-flow totalizer).Alcor LLC · Lists IO-520 SeriesSTC SE01844SEInstallation of fuel control modification and associated hardwareMetal Innovations Inc. dba MII AeroSTC SE04349CHInstallation of SureFly electronic ignitionSureFly Partners Ltd.STC SE02352CHInstallation of Challenger cleanable oil filter assemblyChallenger Aviation Products Inc.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 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 SE03704ATConvert Continental Motors IO-520-A, -D, -E, -F and -L engine to Vitatoe Aviation, LLC IO-520-A-CF, -D-CF, -E-CF, -F-CF or -L-CF engine in accordance with Master Parts List PL2008-7 Rev. C dated August 2, 2018 or later FAA approved revision and Assembly Instructions PL2008-13 Rev C. dated August 2, 2018 or later FAA approved revision.Vitatoe Aviation LLCSTC SE09217SCInstallation of modified fuel injector nozzles.General Aviation Modifications Inc.STC SE94WEInstallation of oil fitting(AN-823-5D) in rocker box cover.Airwolf Filter CorporationSTC SE00115SEReplaces Teledyne-Continental Part Number 646277 lifter bodiesB & B Aviation LLCSTC SE5784NMReplacement of Teledyne Continental original camshaft.B & B Aviation LLCSTC SE70RMInstallation of compressor bracketAir Comm CorporationSTC SE2068NMRemove fuel injection system, install Marvel Schebler carburetor system and revise operating limits as shown in addendum SE2068NM.Kenmore Air Harbor LLCSTC SE09637SCRemove existing rocker arm assemblies and install modify rocker arm assemblies.General Aviation Modifications Inc.STC SE03187ATSTC for the conversion of Teledyne Continental Motors (TCM) Models IO-520-D, -E, -F, or -L to the respective PowerLite Models IO-550-D-AP, -E-AP, -F-AP, or -L-AP which have the same ratings and limitations as TCM Models IO-550-D, -E, -F, or -L, respectively.Vitatoe Aviation LLCSTC SE1186SWRegrooving of pistons P/N 631475 or P/N 632585Continental Motors, Inc.STC SE2340SWInstallation of modified cylinder assemblies, barrels, piston, and repaired crankcases.Continental Motors, Inc.STC SE34WEInstallation of Electro-Coatings, Inc., piston rings on Continental pistons.Continental Motors, Inc.STC SE5820SWInstallation of Airmotive exhaust valve, P/N AEC-637781.Continental Motors, Inc. · Lists IO-520 SeriesSTC SE8776SWInstallation of coated cylinders and piston rings.Continental Motors, Inc.STC SE09979SCModification of Teledyne Continental Motors IO-520-B, IO-520-BA, or IO-520-BB engine to an Ultimate Engines IO-550-B/UE engineGeneral Aviation Modifications, Inc.STC SE3330NMContinental valve cover gasketReal Gaskets TennesseeSTC SE7325SW-DInstallation of crankcase modifications.RAM Aircraft Limited PartnershipSTC SE09846SCInstallation of S539800M30 starter adapter springs.Aircraft Specialties Services IncSTC SE443GLIncorporation of a fuel flow transducer.Shadin AvionicsSTC SE1780NMInstallation of Precise Flight standby vacuum system (SVS III).Precise Flight Inc
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