# STCs that may be installed: Continental GTSIO-520-D

A list on [Continental GTSIO-520-D](https://openairdocs.org/engine/continental-gtsio-520-d.md).

In force first, then newest. The registry doesn’t record which STCs an aircraft has.

- [STC SE04349CH](https://openairdocs.org/stc/SE04349CH.md): Installation of SureFly electronic ignition · SureFly Partners Ltd.
- [STC SE02352CH](https://openairdocs.org/stc/SE02352CH.md): Installation of Challenger cleanable oil filter assembly · Challenger Aviation Products Inc.
- [STC SE03309CH](https://openairdocs.org/stc/SE03309CH.md): Installation of Engine Preheat Kit, p/n TSP6CYL-2927-115 for 115 volt application · Hartzell Propeller Inc.
- [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 SE2340SW](https://openairdocs.org/stc/SE2340SW.md): Installation of modified cylinder assemblies, barrels, piston, and repaired crankcases. · Continental Motors, Inc.
- [STC SE34WE](https://openairdocs.org/stc/SE34WE.md): Installation of Electro-Coatings, Inc., piston rings on Continental pistons. · Continental Motors, Inc.
- [STC SE5820SW](https://openairdocs.org/stc/SE5820SW.md): Installation of Airmotive exhaust valve, P/N AEC-637781. · Continental Motors, Inc. · Lists GTSIO-520 Series
- [STC SE8776SW](https://openairdocs.org/stc/SE8776SW.md): Installation of coated cylinders and piston rings. · Continental Motors, Inc. · Lists GTSIO-520 Series
- [STC SE3330NM](https://openairdocs.org/stc/SE3330NM.md): Continental valve cover gasket · Real Gaskets Tennessee
- [STC SE00754DE](https://openairdocs.org/stc/SE00754DE.md): Installation of an auxiliary oil sump port on the oil sump pan · Oilamatic, Inc
- [STC SE5726SW-D](https://openairdocs.org/stc/SE5726SW-D.md): Installation of Floscan - 20lb or - 203b fuel flow transducers. · RAM Aircraft Limited Partnership
- [STC SE3767SW-D](https://openairdocs.org/stc/SE3767SW-D.md): Installation of induction hose clamps. · RAM Aircraft Limited Partnership
- [STC SE612GL](https://openairdocs.org/stc/SE612GL.md): Installation of a Shadin Company fuel flow transducer. · Shadin Avionics
- [STC SE1780NM](https://openairdocs.org/stc/SE1780NM.md): Installation of Precise Flight standby vacuum system (SVS III). · Precise Flight Inc
- [STC SE5726SW](https://openairdocs.org/stc/SE5726SW.md): Installation of Floscan -201b or -203b fuel flow transducers. · RAM Aircraft Limited Partnership
- [STC SE5743NM](https://openairdocs.org/stc/SE5743NM.md): Intallation of adapter for externally mounted oil filter. · Aviation Development Corporation
- [STC SE09963SC](https://openairdocs.org/stc/SE09963SC.md): Installation of modified fuel injector nozzles. · General Aviation Modifications, Inc.
- [STC SE3767SW](https://openairdocs.org/stc/SE3767SW.md): Installation of induction hose clamps. · RAM Aircraft Limited Partnership
- [STC SE4591SW](https://openairdocs.org/stc/SE4591SW.md): Installation of RAM magneto pressurization system. · RAM Aircraft Limited Partnership
- [STC SE8338SW](https://openairdocs.org/stc/SE8338SW.md): Install locknuts on cylinder attachment studs and thru-bolts, and install 6 additional cylinder attachment studs onto engine crankcases. · RAM Aircraft Limited Partnership · Lists GTSIO-520 Series
- [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 · Lists GTSIO-520 Series
- [STC SE00350SE](https://openairdocs.org/stc/SE00350SE.md): Installation of sump mounted chip detector. · Aviation Development Corporation
- [STC SE09058SC](https://openairdocs.org/stc/SE09058SC.md): Remove cylinder assembly, fuel nozzles, induction tubes, and injector air reference system and add corresponding parts from GTSIO-520-L engine. · Texas Skyways Inc
- [STC SE452NE](https://openairdocs.org/stc/SE452NE.md): Installation and usage of 'Mobil AV 1' aviation oil. · Mobil Research & Development Corp · Lists GTSIO-520 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 GTSIO-520 Series
- [STC SE74WE](https://openairdocs.org/stc/SE74WE.md): BG-341 spark plug as eligible for installation on listed Continental engines. · Lewis Leibee
- [STC SE12GL](https://openairdocs.org/stc/SE12GL.md): Installation of oil filler cap. · Ray Whyte Electric Products Co.

## 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_engine_model_stc.parquet'
  WHERE engine_model_code IN ('17096')
  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/engine/continental-gtsio-520-d/stcs

---
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