# STCs that may be installed: Douglas C54D-DC

A list on [Douglas C54D-DC](https://openairdocs.org/model/douglas-c54d-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 SA3298WE](https://openairdocs.org/stc/SA3298WE.md): Bendix wheels and brakes 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 SA1621CE](https://openairdocs.org/stc/SA1621CE.md): Restricted category tanker conversion. · Central Air Services
- [STC SA1587CE](https://openairdocs.org/stc/SA1587CE.md): Restricted category tanker conversion · Central Air Services
- [STC SA1404CE](https://openairdocs.org/stc/SA1404CE.md): Restricted category tanker conversion · Central Air Services
- [STC SA1334CE](https://openairdocs.org/stc/SA1334CE.md): Restricted category tanker conversion · Central Air Services
- [STC SA3199WE](https://openairdocs.org/stc/SA3199WE.md): Cargo handling system installation. · Pemco Engineers, 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 ('3021522')
  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-c54d-dc/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.