# STCs that may be installed: Piper J4E A list on [Piper J4E](https://openairdocs.org/model/piper-j4e.md). In force first, then newest. The registry doesn’t record which STCs an aircraft has. Page 1 of 2 · 61 STCs - [STC SA01233SE](https://openairdocs.org/stc/SA01233SE.md): Fabrication and installation of Alaskan Bushwheel LLC tail wheel and fork assembly · ABI, LLC - [STC SA04837NY](https://openairdocs.org/stc/SA04837NY.md): Installation of AeroLED's Holdings, LLC., position lights, navigation lights, strobe lights and beacon lights · AeroLED's Holdings, LLC - [STC SA00079NY](https://openairdocs.org/stc/SA00079NY.md): Installation 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 Corporation - [STC SA02525LA](https://openairdocs.org/stc/SA02525LA.md): Installation of Wheel and Brake Assemblies · Game Aerospace LLC - [STC SA00081NY](https://openairdocs.org/stc/SA00081NY.md): Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector. · Alcor LLC - [STC SA5581SW](https://openairdocs.org/stc/SA5581SW.md): Installation of ALCOR true-flow/ totalizer system · Alcor LLC - [STC SA02386AK](https://openairdocs.org/stc/SA02386AK.md): Replacement of existing landing and/or taxi light reflector and bulbs with Light Emitting Diode (LED) lighting systems · AeroLED's Holding LLC - [STC SA02987CH](https://openairdocs.org/stc/SA02987CH.md): Installation of the Electroair Electronic Ignition System · Electroair Acquisition Corporation - [STC SA01967WI](https://openairdocs.org/stc/SA01967WI.md): Use of GAMI G100UL High Octane Unleaded Avgas · General Aviation Modifications Inc. - [STC SA04776NY](https://openairdocs.org/stc/SA04776NY.md): The HIPEC Covering and Finishing System must be performed and maintained · HIPEC Aircraft Coatings Inc. - [STC SA01015SE](https://openairdocs.org/stc/SA01015SE.md): Installation of eligible Alaska Bushwheel, Inc. wheels and TSO-C62d tires · ABI LLC - [STC SA02553AK](https://openairdocs.org/stc/SA02553AK.md): Fabrication and installation of a Tail Wheel Anti-Shimmy Dampener · Keller Engineering Group LLC - [STC SA02268CH](https://openairdocs.org/stc/SA02268CH.md): Installation of Airwolf Filter Corp. Air Oil Separator · Airwolf Filter Corporation - [STC SA04032CH](https://openairdocs.org/stc/SA04032CH.md): Install rocker switch assemblies · Electroair Acquisition Corporation - [STC SA00344BO PAGE 1](https://openairdocs.org/stc/SA00344BO%20PAGE%201.md): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. · Whelen Aerospace Technologies - [STC SA02212AK](https://openairdocs.org/stc/SA02212AK.md): Replacement of existing landing and/or taxi light reflector and bulbs with high intensity discharge (HID) lighting systems · Seaplanes North LLC - [STC SA3606NM](https://openairdocs.org/stc/SA3606NM.md): Installation of landing gear fueling step. · F. Atlee Dodge Aircraft Services, LLC - [STC SA10077SC](https://openairdocs.org/stc/SA10077SC.md): Installation of push-button starter system. · Hartzell Engine Technologies, LLC - [STC SA01734SE](https://openairdocs.org/stc/SA01734SE.md): Application of Stewart Systems synthetic fabric covering system to aircraft fuselage, wings, tail surfaces, control surfaces and related parts. · Andrew D. Humphrey - [STC SA00780SE](https://openairdocs.org/stc/SA00780SE.md): Installation of the True Lock Safety Retention Axle Lock Nut System · True Lock LLC - [STC SA00478CH](https://openairdocs.org/stc/SA00478CH.md): Installation of Cooper Superflite 102 Fabric. · Aviation Products Systems Inc. - [STC SA4305WE](https://openairdocs.org/stc/SA4305WE.md): Installation of GAR-AERO wheel adapters and tundra type tires on the main landing gear · Seaplanes North LLC - [STC SA10921SC](https://openairdocs.org/stc/SA10921SC.md): Installation of an alternator and regulator as a replacement to existing OEM generators and mechanical voltage regulators · Hartzell Engine Technologies, LLC - [STC SA02283SE PAGE 1](https://openairdocs.org/stc/SA02283SE%20PAGE%201.md): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In Flight Data) CGR-30P · Electronics International Inc. - [STC SA02402SE PAGE 2](https://openairdocs.org/stc/SA02402SE%20PAGE%202.md): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) CGR-30C · Electronics International Inc. - [STC SA02428AK](https://openairdocs.org/stc/SA02428AK.md): Installation of a hydraulically actuated ski drag assembly · Northern Airframes LLC - [STC SA01765SE](https://openairdocs.org/stc/SA01765SE.md): Installation of Alaskan Bushwheel TSO-C26d wheels, Part Number (P/N) ABI-1010 · ABI, LLC - [STC SA01026SE](https://openairdocs.org/stc/SA01026SE.md): Improved fuel gascolator assembly. · Steve's Aircraft - [STC SA02825NY PAGE 1](https://openairdocs.org/stc/SA02825NY%20PAGE%201.md): Installation of Aerospace Logic Aircraft Instruments · Aerospace Logic Inc. - [STC SA02825NY PAGE 2](https://openairdocs.org/stc/SA02825NY%20PAGE%202.md): Installation of Aerospace Logic Aircraft Instruments · Aerospace Logic Inc. - [STC SA02033AT](https://openairdocs.org/stc/SA02033AT.md): Modification to install an air-oil separator to prevent oil from being aspirated from the engine breather line. · M-20 Oil Separators LLC - [STC SA5-65](https://openairdocs.org/stc/SA5-65.md): Installation of Goodyear 25 x 11.0 - 4 Type IV tires with tubes on Goodrich Model 841696 4-inch wheels on main landing gear, using Alaskan Aircraft Equipment Supply Model A-1 rim adapters · Douten Thomas - [STC SA01944CH](https://openairdocs.org/stc/SA01944CH.md): 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 SA738GL](https://openairdocs.org/stc/SA738GL.md): Superseded by STC SA01944CH. Modify airplane to fly on unleaded automotive gasoline, 87 minimum antiknock index. · EAA Aviation Foundation - [STC SA8075SW](https://openairdocs.org/stc/SA8075SW.md): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER) · Razorback Fabrics Inc - [STC SA489EA](https://openairdocs.org/stc/SA489EA.md): Installation of ARP Inc. carburetor ice detection system · Aircraft & Rotorcraft Products (ARP) Inc - [STC SA02520AT](https://openairdocs.org/stc/SA02520AT.md): Installation of M-20 Oil Separator, model 600-WP. · M-20 Oil Separators LLC - [STC SA00932SE](https://openairdocs.org/stc/SA00932SE.md): Installation of the Stewart wing tip assembly · Steve Pierce - [STC SA71GL](https://openairdocs.org/stc/SA71GL.md): Installation of air filters · Brackett Aero Filters Inc. - [STC SA02093AK](https://openairdocs.org/stc/SA02093AK.md): Installation of hourmeter airspeed switch. · Avalaska Inc - [STC SA98CH](https://openairdocs.org/stc/SA98CH.md): Installation of replacement wing ribs. · Dakota Cub Aircraft - [STC SA2-952](https://openairdocs.org/stc/SA2-952.md): Installation of fiberglass covering. · Razorback Fabrics Inc - [STC SA2508SO](https://openairdocs.org/stc/SA2508SO.md): Replacement of Cleveland brake discs, No. 164-67 or 164-167, with Appalachian Accessories' stainless steel brake discs, Part No. 73-67. · Aviation Products, Inc - [STC SA00207AT](https://openairdocs.org/stc/SA00207AT.md): Installation of carbon steel brake discs that have melonite surface treatment, P/N AA-67. · Aviation Products, Inc - [STC SA1-510](https://openairdocs.org/stc/SA1-510.md): Installation of Sur-Vent fuel tank filler cap manufactured. · Puccinelli Frances V - [STC SA1626NM PAGE 2](https://openairdocs.org/stc/SA1626NM%20PAGE%202.md): Installation of Electronics Int'l Digital EGT/CHT Instruments and accessories. (201 Series) · Electronics International - [STC SA5159NM](https://openairdocs.org/stc/SA5159NM.md): Installation of chip detector system. · Northwest Aircraft Inc - [STC SA5755NM](https://openairdocs.org/stc/SA5755NM.md): Installation of a propeller anti theft device. · Davis Ray G - [STC SA2147CE](https://openairdocs.org/stc/SA2147CE.md): Operation of airplane on unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index (RON +MON)/2. Intermixing with aviation gasoline also approved · Petersen Aviation Inc - [STC SA2350NM PAGE 1](https://openairdocs.org/stc/SA2350NM%20PAGE%201.md): Installation of Electronics International Inc digital carburetor/outside air temperature gauges · Electronics International Next page: https://openairdocs.org/model/piper-j4e/stcs.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT s.stc_number, s.description, s.holder, s.status, s.status_date, m.matched_model FROM ( SELECT stc_number, min(matched_model) AS matched_model FROM 'https://openairdocs.org/data/latest/faa_aircraft_model_stc.parquet' WHERE aircraft_model_code IN ('7100610', '7104216') GROUP BY stc_number ) m JOIN 'https://openairdocs.org/data/latest/faa_stc.parquet' s USING (stc_number) ORDER BY s.status = 'Current' DESC, s.status_date DESC, s.stc_number ``` This list as a web page: https://openairdocs.org/model/piper-j4e/stcs --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.