Piper J4

STCs approved for this model · 82

Current certificates first.

Query with SQL
duckdb -csv -c "SELECT s.stc_number, s.description, s.holder, s.status, s.status_date
  FROM 'https://openairdocs.org/data/latest/faa_stc.parquet' s
  WHERE s.stc_number IN (SELECT stc_number FROM 'https://openairdocs.org/data/latest/faa_stc_model.parquet' WHERE model_key = 'J4')
  ORDER BY s.status = 'Current' 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.

STC SA00079NYInstallation of Airwolf remote mounted engine oil filter kit AFC-K008 on single and multi engine fixed wing light aircraft incorporating Teledyne Continental reciprocating engines of 450 horsepower or less.Airwolf Filter CorporationSTC SA00081NYInstallation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector.Alcor LLCSTC SA00207ATInstallation of carbon steel brake discs that have melonite surface treatment, P/N AA-67.Aviation Products, IncSTC SA00344BO PAGE 1Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights.Whelen Aerospace TechnologiesSTC SA00478CHInstallation of Cooper Superflite 102 Fabric.Aviation Products Systems Inc.STC SA00680SE (5 OF 6Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer.Electronics InternationalSTC SA00780SEInstallation of the True Lock Safety Retention Axle Lock Nut SystemTrue Lock LLCSTC SA00932SEInstallation of the Stewart wing tip assemblySteve PierceSTC SA01015SEInstallation of eligible Alaska Bushwheel, Inc. wheels and TSO-C62d tiresABI LLCSTC SA01026SEImproved fuel gascolator assembly.Steve's AircraftSTC SA01233SEFabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assemblyABI, LLCSTC SA01704LAInstallation of the Grove Disk Brake SystemGrove Aircraft Landing Gear Systems Inc.STC SA01734SEApplication of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts.Andrew D. HumphreySTC SA01765SEInstallation of Alaskan Bushwheel TSO-C26d wheels, Part Number (P/N) ABI-1010ABI, LLCSTC SA01944CH (2 OF 2)Modify airplane to fly on unleaded automotive gasoline, 87 minimum antiknock index, per ASTM Specification D-439 or D-4818 of any volatility class, A through E, or 82UL AVGAS per ASTM D-6227.Experimental Aircraft Association Inc.STC SA01967WI (2 OF3)Use of GAMI G100UL High Octane Unleaded AvgasGeneral Aviation Modifications Inc.STC SA02002SEInstallation of vortex generators on the above model aircraftMicro AeroDynamics IncSTC SA02033ATModification to install an air-oil separator to prevent oil from being aspirated from the engine breather line.M-20 Oil Separators LLCSTC SA02093AKInstallation of hourmeter airspeed switch.Avalaska IncSTC SA02110CHInstallation of a Time Trac Data RecorderP2 IncorporatedSTC SA02212AKReplacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systemsSeaplanes North LLCSTC SA02268CHInstallation of Airwolf Filter Corp. Air Oil SeparatorAirwolf Filter CorporationSTC SA02283SE PAGE 1Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30PElectronics International Inc.STC SA02295SEInstallation of an alternate method of fastening aluminum wing ribs to wood sparsRainbow Flying Service LLCSTC SA02386AKReplacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systemsAeroLED's Holding LLCSTC SA02402SE PAGE 2Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30CElectronics International Inc.STC SA02428AKInstallation of a hydraulically actuated ski drag assemblyNorthern Airframes LLCSTC SA02520ATInstallation of M-20 Oil Separator, model 600-WP.M-20 Oil Separators LLCSTC SA02525LAInstallation of Wheel and Brake AssembliesGame Aerospace LLCSTC SA02553AKFabrication and installation of a Tail Wheel Anti-Shimmy DampenerKeller Engineering Group LLCSTC SA02825NY PAGE 1Installation of Aerospace Logic Aircraft InstrumentsAerospace Logic Inc.STC SA02987CHInstallation of the Electroair Electronic Ignition SystemElectroair Acquisition CorporationSTC SA03898NYInstallation and maintenance of ORATEX covering and coating materialAircraft Design & Certification LtdSTC SA04032CHInstall rocker switch assembliesElectroair Acquisition CorporationSTC SA04652CHTo allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specificationSwift Fuels LLCSTC SA04776NY (1 OF 2)The HIPEC Covering and Finishing System must be performed and maintainedHIPEC Aircraft Coatings Inc.STC SA04837NYInstallation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lightsAeroLED's Holdings, LLCSTC SA1008WEInstallation of Poly-Fiber covering material.Poly-Fiber Inc.STC SA10921SCInstallation of an alternator and regulator as a replacement to existing OEM generators and mechanical voltage regulatorsHartzell Engine Technologies, LLCSTC SA126SOInstallation of wing fabric attachment clips.Arbor CompanySTC SA1351WEReplace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12)Ceconite IncSTC SA1455NMInstallation of a flame proof auxiliary heater-dryer, Model12-1600.Thermal, IncSTC SA1626NM PAGE 2Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series)Electronics InternationalSTC SA2-952Installation of fiberglass covering.Razorback Fabrics IncSTC SA2190NM PAGE 1Installation of electronics International Digital Volt/Amp Gauges and Accessories.Electronics InternationalSTC SA220SOTow bar, release mechanism, and safety tow link.Fliegen Works Inc. d/b/a Pacific Aerial Tow HooksSTC SA2349NMInstallation of landing gear fueling step.F Atlee Dodge Aircraft ServiceSTC SA2350NM PAGE 1Installation of Electronics International Inc digital carburetor/outside air temperature gaugesElectronics InternationalSTC SA2508SOReplacement of Cleveland brake discs, No. 164-67 or 164-167, with Appalachian Accessories' stainless steel brake discs, Part No. 73-67.Aviation Products, IncSTC SA262ALInstall 6x6x44 fish pole tube.F Atlee Dodge Aircraft Service
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