# STCs that may be installed: Douglas C54B-DC

A list on [Douglas C54B-DC](https://openairdocs.org/model/douglas-c54b-dc.md).

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

- [STC SA2622NM](https://openairdocs.org/stc/SA2622NM.md): Installation of Precise Flight Pulselite Control Unit in landing/taxi system. (767-200 B17) (DHC-8 101) · Precise Flight Inc.
- [STC SA02268CH](https://openairdocs.org/stc/SA02268CH.md): Installation of Airwolf Filter Corp. Air Oil Separator · Airwolf Filter Corporation
- [STC SA01282NY](https://openairdocs.org/stc/SA01282NY.md): Installation of Airwolf remote mounted engine oil filter kit AFC-K015 on aircraft powered by Pratt & Whitney radial reciprocating engine Series R-985, R-1340 and R-1830. · Airwolf Filter Corporation
- [STC SA3254WE](https://openairdocs.org/stc/SA3254WE.md): Nose wheel installation. · United Aeronautical Corporation
- [STC ST334CH](https://openairdocs.org/stc/ST334CH.md): Installation of Superflite 102 fabric. · Aviation Products Systems Inc.
- [STC SA1-115](https://openairdocs.org/stc/SA1-115.md): Installation of Chamberlain 1012 Series radomes. · Saint-Gobain Performance Plastics Corp
- [STC SA1-507](https://openairdocs.org/stc/SA1-507.md): 2012X Series radomes. · Saint-Gobain Performance Plastics Corp
- [STC SA8075SW](https://openairdocs.org/stc/SA8075SW.md): Installation of fiberglass covering. (M-62 SERIES PT-19) (G-73 SCHWEIZER) · Razorback Fabrics Inc
- [STC SA1365GL](https://openairdocs.org/stc/SA1365GL.md): Surrendered and incorporated into STC ST334CH. · Cooper Aviation Supply Company, Inc.
- [STC SA3173WE](https://openairdocs.org/stc/SA3173WE.md): Installation of P&WA R-2000-6 engines in Douglas C54 airplanes. · Globe Air, 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 SA3185WE](https://openairdocs.org/stc/SA3185WE.md): New enlarged 12 ft cargo door, new cargo floor, structural cargo crash barrier, mod FS 260 bulkhead, relocated main elec junction box, partially new DC elec distribution and control system, DC-6 wheels and brakes, misc changes for cargo operations. · Consulting Aerospace Engineers Inc
- [STC SA1465CE](https://openairdocs.org/stc/SA1465CE.md): Restricted category tanker conversion · Central Air Services
- [STC SA3199WE](https://openairdocs.org/stc/SA3199WE.md): Cargo handling system installation. · Pemco Engineers, Inc
- [STC SA3-258](https://openairdocs.org/stc/SA3-258.md): C-O-Two visual smoke detector, Type A1-V, P/N 74800. · Northwest Airlines Inc.

## 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_aircraft_model_stc.parquet'
  WHERE aircraft_model_code IN ('3021516')
  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/model/douglas-c54b-dc/stcs

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