# STCs that may be installed: N26439 A list on [N26439](https://openairdocs.org/aircraft/N26439.md). 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. Page 1 of 2 · 58 STCs - [STC SA04652CH](https://openairdocs.org/stc/SA04652CH.md): To allow use of 100R grade aviation fuel meeting Swift Fuel, LLC specification · Swift Fuels LLC - [STC SA01757WI](https://openairdocs.org/stc/SA01757WI.md): To allow the use of UL91 or UL94 (minimum) grade aviation fuel · Swift Fuels LLC - [STC SA04776NY](https://openairdocs.org/stc/SA04776NY.md): The HIPEC Covering and Finishing System must be performed and maintained · HIPEC Aircraft Coatings Inc. - [STC SA01831WI](https://openairdocs.org/stc/SA01831WI.md): To allow the use of UL91 (minimum) grade aviation fuel · Petersen Aviation Inc - [STC SA00478CH](https://openairdocs.org/stc/SA00478CH.md): Installation of Cooper Superflite 102 Fabric. · Aviation Products Systems Inc. - [STC SA02283SE PAGE 2](https://openairdocs.org/stc/SA02283SE%20PAGE%202.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 SA00068SE](https://openairdocs.org/stc/SA00068SE.md): Installation of fuel flow/pressure instruments. (W/TSIO-360-MB1) · Electronics International Inc. - [STC SA593CH](https://openairdocs.org/stc/SA593CH.md): Install Champion SlickSTART magneto booster system. · Champion Aerospace LLC - [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 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 · Experimental Aircraft Association Inc. - [STC SA944GL](https://openairdocs.org/stc/SA944GL.md): Superseded by STC SA01944CH.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 SA1008WE](https://openairdocs.org/stc/SA1008WE.md): Installation of Poly-Fiber covering material. · Poly-Fiber Inc. - [STC SA02520AT](https://openairdocs.org/stc/SA02520AT.md): Installation of M-20 Oil Separator, model 600-WP. · M-20 Oil Separators LLC - [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 SA4-302](https://openairdocs.org/stc/SA4-302.md): Installation of BN-1 propeller spinner. · ACS Products Co, Inc - [STC SA1351WE](https://openairdocs.org/stc/SA1351WE.md): Replace existing fabric on wings, fuselage, empennage, and/or control surfaces, with Ceconite101 material. (262A Series -12) · Ceconite Inc - [STC SA342SW](https://openairdocs.org/stc/SA342SW.md): Installation of Lycoming O-235-C1 engine with Sensenich M76AM-2 propeller, associated powerplant changes and electrical changes. · James A Schultze - [STC SA1350WE](https://openairdocs.org/stc/SA1350WE.md): Replace existing fabric on wings, fuselage, empennage and/or control surfaces with fiberglass cloth. · Ceconite, Inc - [STC SA4-1575](https://openairdocs.org/stc/SA4-1575.md): Ceconite 101 covering of complete airplane. · Cooper Engineering Corporation - [STC SA4-840](https://openairdocs.org/stc/SA4-840.md): Fabric replaced with glass cloth on wings, fuselage, empennage and/or control surfaces. · Air Fibre Inc - [STC SA4-184](https://openairdocs.org/stc/SA4-184.md): Replaced ASO-9 engine with C85-12F engine in accordance with drawing (Form ACA-337 dated 1/26/57). · Chandler W H - [STC SE04651CH](https://openairdocs.org/stc/SE04651CH.md): To allow use of l00R grade aviation fuel meeting Swift Fuel, LLC specification SPEC-l00R-22 · Swift Fuels LLC - [STC SE00825WI](https://openairdocs.org/stc/SE00825WI.md): Installation of Specialty Products Spin-on oil filter on Lycoming Engines. · B & C Specialty Products Inc. · Lists O-290-A - [STC SE2932SW](https://openairdocs.org/stc/SE2932SW.md): Install 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 - [STC SE208SO](https://openairdocs.org/stc/SE208SO.md): Installation of ice indicator in the carburetor. · LegacySTC.com - [STC SE04349CH](https://openairdocs.org/stc/SE04349CH.md): Installation of SureFly electronic ignition · SureFly Partners Ltd. - [STC SE01954SE](https://openairdocs.org/stc/SE01954SE.md): Installation of engine crankcase seal. · Ly-Con Rebuilding Company - [STC SE00939WI](https://openairdocs.org/stc/SE00939WI.md): Installation of B&C Specialty Products Model BC 315-() Starter on Lycoming engines. · B & C Specialty Products Inc. - [STC SE2392CE](https://openairdocs.org/stc/SE2392CE.md): Installation of B&C Speciality Products lightweight (10.2 pounds) engine starter, part number BC-315-100-1 (12 volts) or part number BC-315-100-3 (24 volts) · B & C Specialty Products Inc. · Lists O-290-D - [STC SE03232CH](https://openairdocs.org/stc/SE03232CH.md): Installation of Engine Preheat Kit p/n TA2925-1 for 115 volt application · Hartzell Propeller Inc. - [STC SE04577CH](https://openairdocs.org/stc/SE04577CH.md): Install an electronic engine ignition system · Electroair Acquisition Corp · Lists O-290-A - [STC SE8628SW](https://openairdocs.org/stc/SE8628SW.md): Installation of oil nozzles for lubrication of cam and filters. · Cygnet Aerospace Corp · Lists O-290-D - [STC SE8776SW](https://openairdocs.org/stc/SE8776SW.md): Installation of coated cylinders and piston rings. · Continental Motors, Inc. - [STC SE00218NY](https://openairdocs.org/stc/SE00218NY.md): Replacement of Lycoming starter with SKY-TEC 12 volt starter installed. · Hartzell Engine Technologies, LLC - [STC SE00226NY](https://openairdocs.org/stc/SE00226NY.md): Replacement of Lycoming starter with SKY-TEC 24-volt starter Models 149-24HT and 122-24HT. Approval limited to 24-volt DC source available to the starter. · Hartzell Engine Technologies, LLC - [STC SE00357NY](https://openairdocs.org/stc/SE00357NY.md): Replacement of Lycoming starter with SKY-TEC 24-volt starter installed. · Hartzell Engine Technologies, LLC - [STC SE2901NM](https://openairdocs.org/stc/SE2901NM.md): Lycoming valve cover gasket · Real Gaskets Tennessee - [STC SE01930NY](https://openairdocs.org/stc/SE01930NY.md): Installation of Casper Labs 90 degree oil filter housing adapter. · Casper Labs Inc - [STC SE01943CH](https://openairdocs.org/stc/SE01943CH.md): Add the following approved fuels: unleaded automotive gasoline 87 minimum antiknock index, per ASTM Specification D-439 or D-4814 of any volatility class, A through E, or 82UL AVGAS per ASTM D-6227. · Experimental Aircraft Association Inc. - [STC SE1779NM](https://openairdocs.org/stc/SE1779NM.md): Installation of Precise Flight, Inc. Standby Vacuum System SVS III · Precise Flight Inc - [STC SE5743NM](https://openairdocs.org/stc/SE5743NM.md): Intallation of adapter for externally mounted oil filter. · Aviation Development Corporation - [STC SE1-201](https://openairdocs.org/stc/SE1-201.md): Installation of the Richter Aero Equipment Type B-4 or B-5 Temperature Probe. (O-360 SERIES (excl. A1C, C2B, C2D)) · MidContinent Instru Co Inc - [STC SE09492SC](https://openairdocs.org/stc/SE09492SC.md): Installation and usage of Exxon 20W50 multigrade aircraft engine oil conforming to Exxon Oil formulation WS-3013. · Exxon Company USA · Lists O-290-D - [STC SE00350SE](https://openairdocs.org/stc/SE00350SE.md): Installation of sump mounted chip detector. · Aviation Development Corporation - [STC SE5173NM](https://openairdocs.org/stc/SE5173NM.md): Installation of a replacement oil cooler adaptor, P/N ADC-310. · Aviation Development Corporation - [STC SE8023SW](https://openairdocs.org/stc/SE8023SW.md): Installation and usage of AEROSHELL · Shell Development Co - [STC SA2392CE](https://openairdocs.org/stc/SA2392CE.md): Installation of B & C Specialty Products. · Bainbridge William C III · Lists O-290-D Next page: https://openairdocs.org/aircraft/N26439/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 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 = '8632004' UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41506') 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 ``` This list as a web page: https://openairdocs.org/aircraft/N26439/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.