# STCs that may be installed: N400GS

A list on [N400GS](https://openairdocs.org/aircraft/N400GS.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.

Page 1 of 2 · 69 STCs

- [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 ST12461IB](https://openairdocs.org/stc/ST12461IB.md): Installation of Cockpit Voice Recorder with optional RIPS Upgrade · Mid- Canada Mod Center
- [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 ST12283IB](https://openairdocs.org/stc/ST12283IB.md): Installation of Engine Vibration Indicator · Icarus Aero Inc.
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT.md): Installation of an Avionica, Inc. avCM Cellular Module · Aircraft Systems and Manufacturing Inc.
- [STC ST03292CH](https://openairdocs.org/stc/ST03292CH.md): Activation of an 802.11 a/b/g/n WiFi System · Elliott Aviation Technical Products Development, 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 ST03424CH](https://openairdocs.org/stc/ST03424CH.md): Certification of Automatic Dependent Surveillance - Broadcast (ADS-B) Out System with Rockwell Collins TDR-94/-94D Transponders · CMD Flight Solutions LLC
- [STC ST04575AT](https://openairdocs.org/stc/ST04575AT.md): Installation of the Rockwell Collins ALT-1000+/ -4000+ with 5G Filtering · Chippewa Aerospace Inc.
- [STC ST02004WI](https://openairdocs.org/stc/ST02004WI.md): Installation of the Garmin GI-275 Instantaneous Vertical Speed Indicators (IVSI) · Peregrine
- [STC ST04177AT](https://openairdocs.org/stc/ST04177AT.md): Installation of a Talon Aerospace LED Replacement General Purpose Lamps · Aaxico Technical Services Inc.
- [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 ST00835DE](https://openairdocs.org/stc/ST00835DE.md): Installation of Automatic Dependent Surveillance - Broadcast (ADS-B) Out and In functionality using the Garmin GTX 335R and GTX 345R Transponders plus qualified position sensor · Peregrine
- [STC SA01213CH](https://openairdocs.org/stc/SA01213CH.md): Install air ambulance conversion in accordance with Spectrum Aeromed Inc. Drawings as listed on AML SA01213CH, or later FAA approved revision. · Spectrum Aeromed LLC dba Spectrum Aeromed
- [STC ST04294NY](https://openairdocs.org/stc/ST04294NY.md): Replacement of certain Goodrich pneumatic de-icer boots · BE Aerospace Inc. DBA SMR Technologies Inc.
- [STC ST02499AK](https://openairdocs.org/stc/ST02499AK.md): Approval of the Thomas Global Systems TFD8601Active Matrix Liquid Crystal Display installed · ADS-B Technologies, LLC
- [STC ST03262CH](https://openairdocs.org/stc/ST03262CH.md): Installation of a Data Link Communication System supporting Air Traffic Services (ATS) utilizing SATCOM with a compliant Communications Management Unit · Chicago Jet Group LLC
- [STC ST11071SC](https://openairdocs.org/stc/ST11071SC.md): Demonstration of aircraft critical equipment and antenna systems tolerance of radio frequency interference (RFI) from intentional or spurious transmissions from certain Portable Electronic Devices (PEDs) · Liberty Partners Inc
- [STC ST00304WI](https://openairdocs.org/stc/ST00304WI.md): Installation of Keddeg Company 21BC113 coaleser assembly. · Purolator Facet, Inc
- [STC ST00863DE](https://openairdocs.org/stc/ST00863DE.md): Installation of Automatic Dependent Surveillance-Broadcast (ADS-B) Out capability · West Star Aviation LLC
- [STC ST00861DE](https://openairdocs.org/stc/ST00861DE.md): Installation of a Dual Universal Flight Management Systems (FMS) including Localizer Performance with Vertical guidance (LPV) · West Star Aviation 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 ST02978NY](https://openairdocs.org/stc/ST02978NY.md): Installation of ADS-B Out System · Trimec Aviation
- [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 ST00619WI](https://openairdocs.org/stc/ST00619WI.md): Installation of flap/slat actuator heaters · Gulfstream Aerospace Corporation
- [STC ST01474WI-D](https://openairdocs.org/stc/ST01474WI-D.md): Modication of a Rockwell Collins Weather Radar System installation. · Rockwell Collins Inc
- [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 ST00953CH](https://openairdocs.org/stc/ST00953CH.md): Installation of Collins TCAS-94 Traffic Alert and Collision Avoidance System (TCAS II). · Standard Aero
- [STC ST00544WI-D](https://openairdocs.org/stc/ST00544WI-D.md): Installation of a AlliedSignal Avionics, Inc., Mark V. Ground Proximity/Windshear Warning System. · Duncan Aviation Inc
- [STC ST02627NY](https://openairdocs.org/stc/ST02627NY.md): Upgrade of Universal UNS-1C to UNS-1C · Jet Aviation GmbH
- [STC ST02146NY](https://openairdocs.org/stc/ST02146NY.md): Installation of EMS Technologies Ltd. Cabin Network Xcelerator (CNX). · EMS Technologies Canada Ltd
- [STC ST00808WI-D](https://openairdocs.org/stc/ST00808WI-D.md): Installation of cabin interior. · Duncan Aviation Inc
- [STC ST02248NY](https://openairdocs.org/stc/ST02248NY.md): Installation of EMS HSD-64, HSD-128, HSD-HCM, and HSD-X · EMS Technologies Canada Ltd
- [STC ST01512LA-D](https://openairdocs.org/stc/ST01512LA-D.md): Installation of -218-218 software with Runway Awareness Advisory System (RAAS) activation option on Honeywell MK V Enhanced Ground Proximity Warning System (EGPWS). · Gulfstream Aerospace Corporation
- [STC ST03478AT](https://openairdocs.org/stc/ST03478AT.md): Installation of 965-0976-003-226-226 Software with Runway Awareness Advisory System (RAAS) activation option on Honeywell MK V Enhanced Ground Proximity Warning System (EGPWS) · Gulfstream Aerospace Corporation
- [STC ST10117SC](https://openairdocs.org/stc/ST10117SC.md): Installation of APX-100 integrated with existing Collins TCAS-94. Model Astra SPX (S/N 073, 079-145); Gulfstream 100 (S/N 146 & Subsequent). · Gulfstream Aerospace Corporation
- [STC ST10118SC](https://openairdocs.org/stc/ST10118SC.md): Installation of an antenna system for existing Collins ARC-210, Models Astra SPX (S/N 073, 079-145); Gulfstream 100 (S/N 146 & Subsequent). · Gulfstream Aerospace Corporation
- [STC ST02281CH](https://openairdocs.org/stc/ST02281CH.md): Installation of provision for CMC Electronics CMA-1100 PilotView Electronic Flight Bag system. · Pentastar Aviation LLC
- [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 ST03154AT-D](https://openairdocs.org/stc/ST03154AT-D.md): Installation of Concorde Valve Regulated Lead-Acid Main Batteries. · Gulfstream Aerospace Corporation
- [STC ST01352WI-D](https://openairdocs.org/stc/ST01352WI-D.md): Modification of a Collins ADC-850 () Air Data computer installation. · Rockwell Collins Inc
- [STC ST10308SC-D](https://openairdocs.org/stc/ST10308SC-D.md): Installation of Dual Universal Avionics UNS-1C + Flight Management Systems. · Gulfstream Aerospace Corporation
- [STC SA2405CE-D](https://openairdocs.org/stc/SA2405CE-D.md): Installation of Garrett model GTCP36-150(W) Auxiliary Power Unit operating as a nonessential electrical and bleed air source for onboard electrical and environmental systems. · Duncan Aviation Inc
- [STC ST02163CH-D](https://openairdocs.org/stc/ST02163CH-D.md): Installation of a Honeywell Mark VIII Enhanced Ground Proximity Warning System. · Garrett Aviation Services
- [STC ST02905AT-D](https://openairdocs.org/stc/ST02905AT-D.md): Installation of Collins Transponder Flight Identification System. · Gulfstream Aerospace Corporation
- [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 ST01946NY](https://openairdocs.org/stc/ST01946NY.md): Cockpit voice recorder replacement with Universal CVR 30B or CVR120. · MidCanada Mod Center
- [STC ST09837SC](https://openairdocs.org/stc/ST09837SC.md): Installation of Collins ADC-87 No. 2. · Gulfstream Aerospace Corporation
- [STC ST09847SC](https://openairdocs.org/stc/ST09847SC.md): Installation of an AlliedSignal digital flight data recorder (DFDR). · Gulfstream Aerospace Corporation
- [STC ST01830CH-D](https://openairdocs.org/stc/ST01830CH-D.md): Installation of a single Honeywell Laseref V Intertial Reference System interfaced to Collins ProLine 4 Avionics. · Gulfstream Aerospace Corporation

Next page: https://openairdocs.org/aircraft/N400GS/stcs.md?page=2

## 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 = '4500205'
    UNION ALL SELECT stc_number, 2, 'engine', matched_model FROM 'https://openairdocs.org/data/latest/faa_engine_model_stc.parquet' WHERE engine_model_code = '33902')
  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/N400GS/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.
