# STCs that may be installed: N18439

A list on [N18439](https://openairdocs.org/aircraft/N18439.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 SA01757WI](https://openairdocs.org/stc/SA01757WI.md): To allow the use of UL91 or UL94 (minimum) grade aviation fuel · Swift Fuels LLC
- [STC SA01831WI](https://openairdocs.org/stc/SA01831WI.md): To allow the use of UL91 (minimum) grade aviation fuel · Petersen Aviation Inc
- [STC SA6070NM](https://openairdocs.org/stc/SA6070NM.md): Installation of a 'quick-disconnect drain plug' on the engine rocker sump for the oil drain retrieval system after engine shutdown. · West Coast Air Creations
- [STC SA00024NY](https://openairdocs.org/stc/SA00024NY.md): Installation of Airwolf remote mounted engine oil filter kit AFC-K007 on single or multi-engine fixed wing light aircraft incorporating Lycoming reciprocating engines of 450 horsepower or less. · Airwolf Filter Corporation
- [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 SA00680SE](https://openairdocs.org/stc/SA00680SE.md): Installation of Electronics International model UBG-16 or UBG-16T bar graph engine analyzer. · Electronics International
- [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 SA2350NM PAGE 2](https://openairdocs.org/stc/SA2350NM%20PAGE%202.md): Installation of Electronics International Inc digital carburetor/outside air temperature gauges · Electronics International
- [STC SA4302NM](https://openairdocs.org/stc/SA4302NM.md): Installation of Electronics Int'l digital automatic engine analyzer. · Electronics International
- [STC SA3862NM PAGE 2](https://openairdocs.org/stc/SA3862NM%20PAGE%202.md): Installation of Electronics International Primary TIT/EGT/CHT instruments, remote switches and associated accessories. · Electronics International
- [STC SA2190NM PAGE 2](https://openairdocs.org/stc/SA2190NM%20PAGE%202.md): Installation of electronics International Digital Volt/Amp Gauges and Accessories. · Electronics International
- [STC SA4-1388](https://openairdocs.org/stc/SA4-1388.md): Ceconite 101 covering of complete airplane. · Cooper Engineering Corporation
- [STC SA2350NM](https://openairdocs.org/stc/SA2350NM.md): Installation of Electronics International Inc digital carburetor/outside air temperature gauges listed on the attached continuation sheet and the associated accessories. · Electronics International
- [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 R-680-E1
- [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 R-680-E1
- [STC SE2407CE](https://openairdocs.org/stc/SE2407CE.md): Add the following approved fuel: unleaded automotive gas, 91 minimum antiknock index and leaded automotive gas, 91 minimum antiknock index, (RON+MON)/2. · Petersen Aviation Inc · Lists R-680E3
- [STC SE2408CE](https://openairdocs.org/stc/SE2408CE.md): Add the following approved fuel: unleaded automotive gas, 91 minimum antiknock index and leaded automotive gas, 91 minimum antiknock index, (RON+MON)/2. · Petersen Aviation Inc · Lists R-680E1
- [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 R-680 Series
- [STC SE128NE](https://openairdocs.org/stc/SE128NE.md): Use of AMS/OIL 15W 50 synthetic piston aircraft oil in Avco engines. · AMS/OIL · Lists R-680 Series

## 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 = '8631508'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '41545')
  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/N18439/stcs

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