# STCs that may be installed: N25539

A list on [N25539](https://openairdocs.org/aircraft/N25539.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 · 51 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 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 SA00081NY](https://openairdocs.org/stc/SA00081NY.md): Installation of Iceman Aviation Supplies, Inc. Carburetor Ice Detector. · Alcor 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 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 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 SA00478CH](https://openairdocs.org/stc/SA00478CH.md): Installation of Cooper Superflite 102 Fabric. · Aviation Products Systems 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 SA848GL](https://openairdocs.org/stc/SA848GL.md): Superseded by STC SA01944CH. Modify airplane to fly unleaded automotive gasoline, 87 minimum antiknock index, STC SE634GL approved. · 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 SA489EA](https://openairdocs.org/stc/SA489EA.md): Installation of ARP Inc. carburetor ice detection system · Aircraft & Rotorcraft Products (ARP) Inc
- [STC SA1264GL](https://openairdocs.org/stc/SA1264GL.md): Surrendered and incorporated into STC SA00478CH. · Cooper Aviation Supply Company, 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 SA308EA](https://openairdocs.org/stc/SA308EA.md): Installation of carburetor ice detection system 105AP in single and twin engine aircraft and single engine helicopters powered by Continental, Franklin, and Lycoming type engines equipped with Marvel-Schebler MA-2, MA-3, MA-4, MA-4-5, MA-6 and HA-6 series carburetors. (Normal,Utility and Acrobatic Category airplanes and helicopters equipped with engines and carburetors as described.) · Alfred R Puccinelli
- [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 · Lists A-65-1
- [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 · Lists A-65-1
- [STC SE208SO](https://openairdocs.org/stc/SE208SO.md): Installation of ice indicator in the carburetor. · LegacySTC.com
- [STC SE03232CH](https://openairdocs.org/stc/SE03232CH.md): Installation of Engine Preheat Kit p/n TA2925-1 for 115 volt application · Hartzell Propeller Inc. · Lists A-65-1
- [STC SE04577CH](https://openairdocs.org/stc/SE04577CH.md): Install an electronic engine ignition system · Electroair Acquisition Corp · Lists A-65-1
- [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. · Lists A-65-1
- [STC SE00533SE](https://openairdocs.org/stc/SE00533SE.md): Installation of Real Gasket Corporation Continental Engine Pushrod Tube Modification. · Real Gaskets Tennessee · Lists A-65-1
- [STC SE10076SC](https://openairdocs.org/stc/SE10076SC.md): Modify engine by installation of C12ST2/S starter. · Hartzell Engine Technologies, LLC · Lists A-65-12
- [STC SE4247SW](https://openairdocs.org/stc/SE4247SW.md): Regrind crankshaft to.020 undersize on crankpin and main journals. · Continental Motors, Inc.
- [STC SE4271SW](https://openairdocs.org/stc/SE4271SW.md): Alteration of crankcase to accept alternate front main bearing P/N530058. · Continental Motors, Inc.
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW.md): Installation of coated cylinders and piston rings. · Continental Motors, Inc.
- [STC SE3330NM](https://openairdocs.org/stc/SE3330NM.md): Continental valve cover gasket · Real Gaskets Tennessee · Lists A-65-1
- [STC SE1592GL](https://openairdocs.org/stc/SE1592GL.md): Installation of Slick Aircraft Products Magneto Model 4202 or Model 4302. · Champion Aerospace LLC · Lists A-65-1
- [STC SE09002SC](https://openairdocs.org/stc/SE09002SC.md): Regrind Teledyne Continental crankshafts, to.020-inch undersize on crankpin and main journals. · Aircraft Specialties Services Inc
- [STC SE1780NM](https://openairdocs.org/stc/SE1780NM.md): Installation of Precise Flight standby vacuum system (SVS III). · Precise Flight Inc · Lists A-65-1
- [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. · Lists A-65-1
- [STC SE634GL](https://openairdocs.org/stc/SE634GL.md): Superseded by STC SE01943CH. Add the following approved fuel: unleaded automotive gasoline, 87 minimum antiknock index. · EAA Aviation Foundation
- [STC SE09513SC](https://openairdocs.org/stc/SE09513SC.md): Installation and usage of Exxon 20W50 Multigrade aircraft engine oil conforming to Exxon Oil Formulation WS-3013. · Exxon Company USA
- [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 SE09014SC](https://openairdocs.org/stc/SE09014SC.md): Installation of Superior Air Parts millennium series cylinder power assemblies p/n SA65000-A20P. · Superior Air Parts, Inc · Lists A-65-1
- [STC SE452NE](https://openairdocs.org/stc/SE452NE.md): Installation and usage of 'Mobil AV 1' aviation oil. · Mobil Research & Development Corp
- [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
- [STC SE2029CE](https://openairdocs.org/stc/SE2029CE.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 · Lists A-65-1
- [STC SE80NE](https://openairdocs.org/stc/SE80NE.md): Installation and usage of Bel-Ray synthetic aviation oil, Bel-Ray Aero 1, (nonsupercharged), horizontally opposed direct drive, aircraft engines of 350 hp. or less. · Bel-Ray Company, Inc
- [STC SE4CE](https://openairdocs.org/stc/SE4CE.md): Motorola alternator A12NK451. · Steven E/Robert F Bell · Lists A-65-12F
- [STC SE64WE](https://openairdocs.org/stc/SE64WE.md): Installation of oil screen and oil cooler adapter. · Laurence E Hill
- [STC SE984SW](https://openairdocs.org/stc/SE984SW.md): Delco 55A ampere alternator. (C85 SERIES Suffix F Series) · Waldrop Lee A
- [STC SE4-1610](https://openairdocs.org/stc/SE4-1610.md): ONE ONLY STC - Replace original push rod cover. S/N 2054728 · Norbert W. Naatus · Lists A-65-8

Next page: https://openairdocs.org/aircraft/N25539/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 = '6480118'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '17003')
  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/N25539/stcs

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