# STCs that may be installed: Dehavilland DHC-7-1

A list on [Dehavilland DHC-7-1](https://openairdocs.org/model/dehavilland-dhc-7-1.md).

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

- [STC ST04328NY](https://openairdocs.org/stc/ST04328NY.md): The Manufacture and Installation of Exterior Placards, Labels and Signs is to be performed, installed · Libellule Monde Inc
- [STC ST03875NY](https://openairdocs.org/stc/ST03875NY.md): Installation of interior placards, signs and markings · Libellule Monde Inc.
- [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 ST03885AT](https://openairdocs.org/stc/ST03885AT.md): Installation of an Avionica, Inc. avCM Cellular Module · Aircraft Systems and Manufacturing Inc.
- [STC SA3947NM](https://openairdocs.org/stc/SA3947NM.md): Installation of Floor Proximity Emergency Escape Path Marking System. · Bruce Aerospace Inc.
- [STC ST02472AT](https://openairdocs.org/stc/ST02472AT.md): Installation of a mini Quick Access Recorder (QAR) model MKI, MKII, or MKIII · Aircraft Systems and Manufacturing Inc.
- [STC ST10398SC](https://openairdocs.org/stc/ST10398SC.md): Installation of a WX-1000 Stormscope. · Sierra Nevada Company LLC
- [STC ST01842AT](https://openairdocs.org/stc/ST01842AT.md): Installation of a CAS-81 TCAS. · Honeywell International Inc
- [STC ST01862AT](https://openairdocs.org/stc/ST01862AT.md): Installation of a dual MST-67 Mode S Transponder System. · Honeywell International Inc
- [STC ST02558NY](https://openairdocs.org/stc/ST02558NY.md): Installation of Sky Connect Tracking System · Honeywell International Inc
- [STC ST02635LA](https://openairdocs.org/stc/ST02635LA.md): Modification to replace the existing Mode S Transponder system with the ACSS NXT-600 Mode S Transponder with ADS-B Out · Aviation Communication and Surveillance Systems (ACSS) LLC
- [STC ST02636LA](https://openairdocs.org/stc/ST02636LA.md): Modification to upgrade the existing XS-950 Mode S Transponder system to add ADS-B Out · Aviation Communication and Surveillance Systems (ACSS) LLC
- [STC ST02595SE](https://openairdocs.org/stc/ST02595SE.md): Installation of a Supplement Lighting System manufactured and installed · Aviation Specialties Unlimited Inc.
- [STC ST00423WI](https://openairdocs.org/stc/ST00423WI.md): Installation of Keddeg Company 21BC111 Coalescer Assembly. · Purolator Facet, Inc
- [STC ST02632LA](https://openairdocs.org/stc/ST02632LA.md): Modification to replace the existing Mode S Transponder system with ACSS NXT-700 Mode S Transponder with ADS-B Out and optionally install ACSS NXG-900 GPS as a position source for ADS-B Out · Aviation Communications and Surveillance Systems
- [STC ST02609LA](https://openairdocs.org/stc/ST02609LA.md): Modification to replace the existing Mode S Transponder system with ACSS NXT-700 Mode S Transponder with ADS-B Out · Aviation Communication and Surveillance Systems (ACSS) LLC
- [STC ST00090MC](https://openairdocs.org/stc/ST00090MC.md): Installation of a Raytheon APX-119 IFF Transponder System · King Aerospace Inc.
- [STC SA3702SW](https://openairdocs.org/stc/SA3702SW.md): Installation of Floor Proximity Lighting System in accordance with Vista Manufacturing, Inc., Drawing List DH7-1000, Revision D, Dated December 02, 1986 or later FAA approved revision. · BF Goodrich Aerospace
- [STC SA2752CE-D](https://openairdocs.org/stc/SA2752CE-D.md): Installation of Collins Traffic Alert and Collision Avoidance System TCAS-94 (TCAS II). · Rockwell Collins Inc
- [STC ST01946NY](https://openairdocs.org/stc/ST01946NY.md): Cockpit voice recorder replacement with Universal CVR 30B or CVR120. · MidCanada Mod Center
- [STC SA7977SW](https://openairdocs.org/stc/SA7977SW.md): Installation of Freon Air Conditioning on DeHavilland DHC-7 aircraft without battery modifications in nacelles. · AAR Airframe and Accessories Group Inc · Lists DHC-7 Series
- [STC SA4944SW](https://openairdocs.org/stc/SA4944SW.md): Installation of Vertical tail floodlight system. · DeVore Aviation Corporation of America, a New Mexico Corporation
- [STC SA7867SW](https://openairdocs.org/stc/SA7867SW.md): Installation of a freon air conditioning system. · AAR Aircraft Services Inc · Lists DHC-7 Series
- [STC SA2702CE](https://openairdocs.org/stc/SA2702CE.md): Installation of Collins TDR-94D Mode S transponder and provisions for Collins TCAS-94 TCAS II system. · Rockwell Collins Inc
- [STC ST00224NY](https://openairdocs.org/stc/ST00224NY.md): Installation of GC200 beverage maker. (757-27B) (737-317) (DHC-8 SERIES ALL SERIES) · Godfrey Aerospace Inc
- [STC SA7083NM](https://openairdocs.org/stc/SA7083NM.md): Installation of BF Goodrich Aerospace, Jet Electronics and Technology Inc. Model AI-330 standby attitude indicator and associated indicator power supply. · Jet Electronics & Technology · Lists DHC-7 Series
- [STC SA2752CE](https://openairdocs.org/stc/SA2752CE.md): Installation of Collins TCAS-94 TCAS II system. · Rockwell Collins Inc
- [STC SA6032NM](https://openairdocs.org/stc/SA6032NM.md): Installation of dual flight management systems, dual global positioning sensors, dual Bendix King microwave landing systems, dual radio reference sensors, single data transfer unit, control heads and associated 3-way navigation transfer switching system. · Universal Navigation Corp · Lists DHC-7 Series
- [STC SA3697SW](https://openairdocs.org/stc/SA3697SW.md): Installation of Plumly airborne floor proximity lighting system · Intl Aircraft Certification Service
- [STC SA1258EA](https://openairdocs.org/stc/SA1258EA.md): Installation of Cosco model78-() child restraint system. (172M S/N 17263459 - 17267584) · Miller Stuart R · Lists DHC-7 Series
- [STC SA219RM](https://openairdocs.org/stc/SA219RM.md): Installation of two quick-removal poles in left side of aft baggage compartment to separate skis from baggage. · Rocky Mountain Airways

## 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 ('2802702')
  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/dehavilland-dhc-7-1/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.
