# STCs that may be installed: N81209 A list on [N81209](https://openairdocs.org/aircraft/N81209.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. - [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 SA7965SW](https://openairdocs.org/stc/SA7965SW.md): Application of fabric and polyurethane finishing system. · Shady Aviation 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 SA03898NY](https://openairdocs.org/stc/SA03898NY.md): Installation and maintenance of ORATEX covering and coating material · Aircraft Design & Certification Ltd - [STC SA04568CH](https://openairdocs.org/stc/SA04568CH.md): Installation of the uAvionix tailBeaconX, a tail mounted position light with integrated Automatic Dependent Surveillance - Broadcast (ADS-B) Out and 1090MHz Mode-S transponder functionality · uAvionix 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 SA4-45](https://openairdocs.org/stc/SA4-45.md): Engine mount for Continental W670 engine. · Robert West - [STC SA00410BO](https://openairdocs.org/stc/SA00410BO.md): Installation of an AV-30-C Multi-Mode Indicator · uAvionix Corporation - [STC SA01831WI](https://openairdocs.org/stc/SA01831WI.md): To allow the use of UL91 (minimum) grade aviation fuel · Petersen Aviation Inc - [STC SA01406NY](https://openairdocs.org/stc/SA01406NY.md): Installation of Airwolf remote mounted engine oil filter kit AFC-K017 on single and multi-engine fixed light aircraft and rotary wing · Airwolf Filter Corporation - [STC SA02428SE](https://openairdocs.org/stc/SA02428SE.md): Installation of an Air Stream Switch for an electric time recording device on non-pressurized aircraft · Henry F Rogers/David E Polley - [STC SA00478CH](https://openairdocs.org/stc/SA00478CH.md): Installation of Cooper Superflite 102 Fabric. · Aviation Products Systems Inc. - [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 1](https://openairdocs.org/stc/SA02402SE%20PAGE%201.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 SA01988SE](https://openairdocs.org/stc/SA01988SE.md): Installation of Electronics International Inc. Glass Panel Engine Monitor (with In-Flight Data) MVP-50P. · Electronics International 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 SA8075SW](https://openairdocs.org/stc/SA8075SW.md): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER) · Razorback Fabrics Inc - [STC SA00068LA](https://openairdocs.org/stc/SA00068LA.md): Installation of tail wheel adapter ring. · R-R-R-Russ Aircraft - [STC SA2243CE](https://openairdocs.org/stc/SA2243CE.md): Operation of airplane on unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive, 88 minimum antiknock index (RON+MON) /2 per ASTM Specification D-439. Intermixing with aviation gasoline also approved. · Petersen Aviation Inc · Lists 24W Series - [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 SA4-1210](https://openairdocs.org/stc/SA4-1210.md): Installation of Eonnex cover on aircraft surfaces. · Ceconite, Inc - [STC SA369NW](https://openairdocs.org/stc/SA369NW.md): Installation of a Continental R-670-11 (W670-16) engine, Sensenich 98AA-66 propeller, and associated systems · Cook, Jay R. - [STC SA4-863](https://openairdocs.org/stc/SA4-863.md): Eonite covering of complete airplane. · Lott William C · Lists 24W Series - [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 SA4-42](https://openairdocs.org/stc/SA4-42.md): Engine mount for Jacobs R-755 engine. · Serv-Aero Engr Inc · Lists 24W Series - [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 SA4-985](https://openairdocs.org/stc/SA4-985.md): Fiberglass covering on wings, ailerons, and fuselage. · Glasco-Air Products · Lists 24W Series - [STC SA001410BO](https://openairdocs.org/stc/SA001410BO.md): Installation of an AV-30-C Multi-Mode Indicator · uAvionix Corporation - [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 SE01966WI](https://openairdocs.org/stc/SE01966WI.md): Use of GAMI G100UL High Octane Unleaded Avgas in spark ignition piston aircraft engines · General Aviation Modifications Inc. - [STC SE8776SW](https://openairdocs.org/stc/SE8776SW.md): Installation of coated cylinders and piston rings. · Continental Motors, Inc. · Lists W670 Series - [STC SE7492SW](https://openairdocs.org/stc/SE7492SW.md): Install Delco starter P/N 1108684 or Eclipse/Bendix Utica model E80 starters · Rare Aircraft Ltd - [STC SE01144SE](https://openairdocs.org/stc/SE01144SE.md): Installation of Olde Thyme Aviation, Inc. pistons, P/N OTA-4032-T6 or Air Repair, Inc. pistons, P/Ns AR4177 (5 each) and AR4177-1 (2 each), to replace Teledyne Continental Motors pistons P/N 4177. · Air Repair Inc - [STC SE01243WI](https://openairdocs.org/stc/SE01243WI.md): Installation of Barron Aviation intake tube drain kits on the engines listed on the attached FAA Approved Model List (AML) No. SE01243WI, dated April 26, 2004, or later FAA Approved revision. · Barron Aviation - [STC SE01145SE](https://openairdocs.org/stc/SE01145SE.md): Option 1) Installation of Olde Thyme Aviation Inc. crankshaft bearings OTA-21201-AB (rear) and OTA-21301-FB (front) Option 2) Installation of Olde Thyme Aviation Inc. replacement intake valve guides P/N OTA-20241-IG Option 3) Installation of Olde Thyme Aviation Inc. replacement exhaust valve guides P/N OTA-20406-EG · Air Repair Inc - [STC SE01146SE](https://openairdocs.org/stc/SE01146SE.md): Option 1) Installation of Gold Coast Aviation crankshaft bearings GCA-21201-AB (rear) and GCA-21301-FB (front) Option 2) Installation of Gold Coast Aviation replacement intake valve guides P/N GCA-20241-IG Option 3) Installation of Gold Coast Aviation replacement exhaust valve guides P/N GCA-20406-EG · Gold Coast Aviation Service Inc - [STC SE00946LA](https://openairdocs.org/stc/SE00946LA.md): Installation of engine crankshaft front and rear bearings. · Holloway Engineering Co - [STC SE00372LA](https://openairdocs.org/stc/SE00372LA.md): Installation of a Jacobs shielded ignition harness on Teledyne Continental Motors engine models. · Aero Engines Inc - [STC SE7491SW](https://openairdocs.org/stc/SE7491SW.md): Install Scintilla VNM-7DFA magnetos on W-670-6A and -6N engines. · Air Repair · Lists W670 Series - [STC SE5879SW](https://openairdocs.org/stc/SE5879SW.md): Use of Phillips X/C II 20W-50 and25W-60 oil (OSS 55875) in all Avco reciprocating aircraft engines from 65 to 450 BHP. · Phillips Petroleum Co · Lists W670 Series - [STC SE2028CE](https://openairdocs.org/stc/SE2028CE.md): Add the following approved fuel: 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 SE5WE](https://openairdocs.org/stc/SE5WE.md): Compression ratio tank pistons · Salinas Engine Works - [STC SE03079AT](https://openairdocs.org/stc/SE03079AT.md): Modify the Teledyne Continental W670 Series aircraft engines by replacing the crankshaft front and rear main ball bearings with higher capacity roller bearings · Air Repair Inc. ## 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 = '3370626' UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17318') 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/N81209/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.