N4021

STCs that may be installed · 562

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 = '2072434'
      UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41595')
    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 172N

STC SA3690NMCockpit sunvisor installationRosen Sunvisor Systems LLCSTC SA01428LAInstallation of CO Guardian Carbon Monoxide Detector Instrument.CO Guardian LLCSTC SA489EAInstallation of ARP Inc. carburetor ice detection systemAircraft & Rotorcraft Products (ARP) IncSTC SA2651NMInstallation of a Lycoming O-360-A3A or -A4A engine, McCauley1A170E/JFA7658 propeller, McCauley C-5464 spacer and associated systems.Air Classic Rebuilders & Avionics LLCSTC SA00461SEInstall a Lycoming O-360 series engine and Hartzell, McCauley, or Sensenich propellerDel-AirSTC SA01386NYInstallation of Fibre Glass Reinforced Plastic Nacelle Fairing, Trade Name 'Exhaust Fairing".Maple Leaf Aviation LtdSTC SA1005SCInstallation of airflow register into baggage compartment cover and insert a screened vent into empennage inspection plate.Soros, IncSTC SA02520ATInstallation of M-20 Oil Separator, model 600-WP.M-20 Oil Separators LLCSTC SA00709LAInstallation of control wheel. Includes provisions only for a push-to-talk (PTT) switch. Separate FAA approval of PTT switch is required.Trevor Burward-HoySTC SA5139SW-DInstallation of S-TEC System 60 Two Axis Automatic Flight Guidance System, Model ST-025S-TEC CorporationSTC SA5151SW-DInstallation of S-TEC System 60 pitch stabilization system Model ST-060.S-TEC CorporationSTC SA01456NYInstallation of Technisonic Industries Ltd OSAT-100 Airborne Position/Data Communicator.Technisonic Industries Limited · Lists 172 SeriesSTC SA2-1178Replacement of right front seat with stretcher.Aviation Fabricators IncSTC SA02419ATManufacture of Composite Engine CowlingsD & E Aerospace Structure · Lists 172 SeriesSTC SA4632NMInstallation of extended range wing fuel tanks.Del-AirSTC SA3727SWInstall vacuum pump cooling shroud.RAM Aircraft Limited PartnershipSTC SA09470SCInstallation of Starter Indicator light system.Texas Skyways IncSTC SA09491SCInstallation of a low voltage warning system.Stark's AviationSTC SA00279LAInstallation of Ameri-King AK-950 Global Positioning System Navigation Switching/Annunciator Panel and Associated EquipmentAmeri-King CorporationSTC SA01080LAInstallation of Accessory Power Receptable in accordance with FAA Approved Master Drawing List, Document No. 172-APR-100, Rev IR, dtd 8/15/00 or later FAA approved revision.Premier AviationSTC SA09132AC-DInstallation of S-TEC System 55/55X Two Axis Automatic Flight Guidance System, Model ST-612,S-TEC CorporationSTC SA5433SWConversion from tri-cycle to conventional landing gear. Cessna model 172P eligible only in utility category.Del-AirSTC SA8892SW-DInstallation of 55 two-axis automatic flight guidance system, Model ST-563, with optional automatic electric trim system.S-TEC CorporationSTC SA672SWCessna 305(L-19) wings.Summersett James A. Jr · Lists 172 SeriesSTC SA2687NMInstallation of Truboplus/ Electronics Int'l gauges and switches.Aero Manufacturing Inc.STC SA1000EAInstallation of Pee-Kay Model 2300 or B2300 (TSO-C27-2) seaplane floats. (172N SEAPLANE)PK FloatsSTC SA01280CHInstallation of Challenger Spin-On Oil Filters.(For Cessna 182 model, s/n 67042 and up) (For Cessna 421C model, s/n 1017 thru 1404)D & K AviationSTC SA00831SEInstallation of vortex generators on wings and tail surfaces.Micro AeroDynamics IncSTC SA00270WIInstallation of fiberglass replacement wing tips.Aircraft Development CoSTC SA1665CEInstallation strut/wing and strut/fuselage fairings, lightning hole covers, and aerodynamic putty.Aircraft Development CoSTC SA71GLInstallation of air filtersBrackett Aero Filters Inc.STC SA09425AC-DInstallation of S-TEC System 40X/50X Single and Two-Axis Automatic Flight Guidance Systems, Model ST-868-40X/50X.S-TEC CorporationSTC SA3338WERecognition light installation on horizontal stabilizer.DeVore Aviation Corporation of America, a New Mexico CorporationSTC SA00039LBInstallation of an Ashtech AV-12 Global Positioning System and a Aero GPS Antenna.MagellanSTC SA00865NYInstallation of nose gear strut fairing.Maple Leaf Aviation LtdSTC SA00103BOInstallation of Weemax cabin air vent.Victor MorrelSTC SA1475GLInstallation of Aero Fabricators shoulder harness Kit No. H-603, Revision Level N/R, Issue Date May 5, 1999.Aero Fabricators CoSTC SA01026CHChange maximum gross weight limit to 2250 lbs. (172N s/n 17267616)Sanderson Mark M.STC SA340NWInstallation of Franklin 6A-350-C1 or 6A-350-C2 engine, McCauley2A31C21/84S-6 or Hartzell HC- C2YF-1BF/F8459 series propellers.Franklin Aircraft Engines Inc.STC SA00678SEInstallation of J. P. Instruments 8Jimline EGT-100 series primary instrumentsJ P InstrumentsSTC SA00465NYInstallation of Meterological Measurement System, Model A1MMS-10, with optional installation of Telemetry Module, Model AIRDAT-9600.Aventech Research IncSTC SA00671NYInstallation of AIRDAT Telemetry module.Aventech Research IncSTC SA09352SCAdd exhaust pipe extension.Texas Skyways IncSTC SA8008SWInstallation of Zeftronics alternator control units P/N's R25101 (27.7V systems) or R25102 (28.8V systems).Tovya Group, IncSTC SA8032SWInstallation of Zeftronics over-voltage sensor unit P/N V11100Tovya Group, IncSTC SA8427SWInstallation of an R25400 alternator control unitTovya Group, IncSTC SA8432SWInstallation of V25101 overvoltage sensor.Tovya Group, IncSTC SA01224ATInstallation of wheel hub cabs with valve stem access door.LoPresti Speed Merchants · Lists 172 SeriesSTC SA5925NMInstallation of oil pressure/temperature instrument.Electronics InternationalSTC SA5924NMInstallation of RPM instrument.Electronics International
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