# STCs that may be installed: Dehavilland DHC-7-101

A list on [Dehavilland DHC-7-101](https://openairdocs.org/model/dehavilland-dhc-7-101.md).

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

- [STC ST01305WI-D](https://openairdocs.org/stc/ST01305WI-D.md): Modification of a Collins ALT-50A or ALT-55B Radio Altimeter system installation to a Collins ALT-1000 or ALT-4000 Radio Altimeter system installation in accordance with Collins Drawing Index as listed on AML No. ST01305WI-D, Revision -, or later FAA approved revision. · Rockwell Collins Inc
- [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 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 ST04340NY](https://openairdocs.org/stc/ST04340NY.md): Installation of TCAS 7.1 (ACAS II) upgrade of Prior Existing TCAS 7.0 · Scandinavian Avionics Design ApS
- [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 ST03776NY](https://openairdocs.org/stc/ST03776NY.md): Modification to upgrade existing Rockwell Collins TCAS (Model: TTR-920, TTR-921, and TTR-4000) at VERSION 7.0 to Rockwell Collins TCAS (Model: TTR-921, TTR-4000, and TTR-4100) at VERSION 7.1 (ACAS II) · Scandinavian Avionics Design ApS
- [STC ST00881WI-D](https://openairdocs.org/stc/ST00881WI-D.md): Modification of a TCAS II system installation to Change 7.0 or Change 7.1 · Rockwell Collins Inc
- [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 ST01202WI-D](https://openairdocs.org/stc/ST01202WI-D.md): Modification of an existing FAA approved Collins TPR-720, TPR-900 or TPR-901 Mode S transponder installation in Part 25 Aircraft using Collins Drawing Index as listed on AML No. ST01202WI-D, latest FAA approved revision. · Rockwell Collins Inc
- [STC ST00673WI-D](https://openairdocs.org/stc/ST00673WI-D.md): Modification of Collins VHF-22A/VHF-22B VHF COMM Receiver Transmitter with CTL-22 Control Pro Line II System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System installation. · Rockwell Collins Inc
- [STC ST00682WI-D](https://openairdocs.org/stc/ST00682WI-D.md): Modification of Collins VHF-20/VHF-20A/VHF-20B VHF COMM Receiver Transmitter with CTL-20 Control Pro Line I System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System Installation in accordance with Collins Installation Instructions as listed on AML No. ST00682WI-D, Revision -, or later FAA approved revisions. · Rockwell Collins Inc
- [STC ST02562NY](https://openairdocs.org/stc/ST02562NY.md): The installation of Battery Powered Refuel System to be done in accordance with Voyageur Airways Limited Design Change Summary DCS 07-003, Rev. N/C, dated April 10, 2008, or later Transport Canada approved revision. · Voyageur Airways Limited
- [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 ST01142WI-D](https://openairdocs.org/stc/ST01142WI-D.md): Modification of a single or dual Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92 control head to a Flight ID capable Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92E control head. · Rockwell Collins Inc
- [STC ST00844WI-D](https://openairdocs.org/stc/ST00844WI-D.md): Modification of Collins TCAS II or TCAS-94 (TCAS II) system installation with Collins TTR-920 Change 7.0 Receiver Transmitter to a Collins TCAS II or TCAS-94 OTCAS II) system installation with Collins TTR-921 or Collins TTR-4000 Change 7.0 TCAS Receiver Transmitter. · Rockwell Collins Inc
- [STC ST01307WI-D](https://openairdocs.org/stc/ST01307WI-D.md): Modification of a Collins TVI-920/TVI-920D Vertical Speed/TCAS Indicator installation · Rockwell Collins Inc
- [STC ST02101NY](https://openairdocs.org/stc/ST02101NY.md): Installation of Artex C406 Emergency Locator Transmitter. · Western Avionics
- [STC ST02078NY](https://openairdocs.org/stc/ST02078NY.md): Installation of Honeywell MK VIII EGPWS. · Western Avionics
- [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 ST00063BO](https://openairdocs.org/stc/ST00063BO.md): Modification of exhaust stack farings. · Telford Aviation, Inc
- [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 SA705GL](https://openairdocs.org/stc/SA705GL.md): Installation of Norton radome kit No. 4142X. · Norton Company, Performance Plactics
- [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 ('2802706')
  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-7-101/stcs

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