# STCs that may be installed: Hawker Siddeley HS-125-600A

A list on [Hawker Siddeley HS-125-600A](https://openairdocs.org/model/hawker-siddeley-hs-125-600a.md).

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

Page 1 of 2 · 97 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 ST00885LA](https://openairdocs.org/stc/ST00885LA.md): Installation of fire extinguisher cartridges as replacements for Pacific Scientific fire extinguisher cartridges in fire extinguisher bottles. · AMETEK AMERON, LLC d/b/a MASS Systems
- [STC ST03885AT](https://openairdocs.org/stc/ST03885AT.md): Installation of an Avionica, Inc. avCM Cellular Module · Aircraft Systems and Manufacturing 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 ST01930LA](https://openairdocs.org/stc/ST01930LA.md): Installation of Sandel Avionics SN4500 Electronic Horizontal Situation Indicator (EHSI) · Sandel Avionics LLC
- [STC ST01084WI](https://openairdocs.org/stc/ST01084WI.md): Installation of Collins TCAS-4000 TCAS II System (with or without optional Avidyne Flight Max 800 MDF). · Blackhawk Aerospace Technologies Inc.
- [STC ST01085WI](https://openairdocs.org/stc/ST01085WI.md): Installation of Honeywell MK VIII Enhanced Ground Proximity Warning System (EGPWS) (with/without optional Avidyne Flight Max 800 MFD). · Blackhawk Aerospace Technologies Inc.
- [STC ST04177AT](https://openairdocs.org/stc/ST04177AT.md): Installation of a Talon Aerospace LED Replacement General Purpose Lamps · Aaxico Technical Services Inc.
- [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 ST02068CH](https://openairdocs.org/stc/ST02068CH.md): Install air ambulance conversion · Spectrum Aeromed LLC dba Spectrum Aeromed
- [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 ST01228WI](https://openairdocs.org/stc/ST01228WI.md): Replacement of OEM window pane assemblies with Lee Aerospace laminated window assembly and termination of OEM dry air system · Lee Aerospace, Inc.
- [STC SA4098SW](https://openairdocs.org/stc/SA4098SW.md): Installation of Single Global VLF/Omega GNS-500A Navigation System · Textron Aviation Inc
- [STC SA4465SW](https://openairdocs.org/stc/SA4465SW.md): Installation of dual Global Navigation GNS-500A Series 3A and 3B Omega Navigation Systems with optional Vandling Model NDB-2 navigation bank. · Textron Aviation Inc
- [STC SA1923SW](https://openairdocs.org/stc/SA1923SW.md): Installation of solar T62T-39 turbine auxiliary power unit with General Electric starter/generator Model No. 2CM308C1. · Textron Aviation Inc
- [STC SA2711SW](https://openairdocs.org/stc/SA2711SW.md): Installation of Foxboro SC-12 fuel used totalizer system. · Textron Aviation Inc
- [STC ST00780WI-D](https://openairdocs.org/stc/ST00780WI-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. · Textron Aviation Inc
- [STC ST00781WI-D](https://openairdocs.org/stc/ST00781WI-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. · Textron Aviation Inc
- [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 ST01560CH](https://openairdocs.org/stc/ST01560CH.md): Install Aero Medical Products Mfg., Inc. Air Ambulance Stretcher P/N 125 using Installation Kit P/N 805. · Paul/ Lanna Egan LLC
- [STC ST01809LA](https://openairdocs.org/stc/ST01809LA.md): Installation of Hawker PN 9750W0640 Sealed Lead Acid Battery. · Securaplane Technologies
- [STC ST546CH-D](https://openairdocs.org/stc/ST546CH-D.md): Installation of an AlliedSignal Avionics, Dual GNS-XLS, Flight Management System with GPS as a primary means of navigation · Standard Aero
- [STC ST01380LA](https://openairdocs.org/stc/ST01380LA.md): Installation of Diamond J, Inc. Engine Indicators N1, N2, and ITT. · Gulfstream-California 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 ST01486SE-D](https://openairdocs.org/stc/ST01486SE-D.md): Group aircraft approval for Reduced Vertical Separation Minimum (RVSM). · AeroMech Incorporated
- [STC ST349CH-D](https://openairdocs.org/stc/ST349CH-D.md): Installation of APU Access Panels. · Standard Aero
- [STC ST01623SE](https://openairdocs.org/stc/ST01623SE.md): Installation of Innovative Solutions and Support (IS&S) Air Data Display Units · AeroMech Incorporated
- [STC ST01003CH-D](https://openairdocs.org/stc/ST01003CH-D.md): Installation of AlliedSignal Aerospace N1 digital electronic engine control (DEEC). · Honeywell International Inc
- [STC ST01514CH-D](https://openairdocs.org/stc/ST01514CH-D.md): Installation of Universal Avionics Systems Corporation Terrain Awareness Warning System (TAWS), Software Control (SCN) 10.X and Universal Multi-Function Display (MFD). · Duncan Aviation Inc
- [STC SA1933SW](https://openairdocs.org/stc/SA1933SW.md): Installation of Collins ALT-50 radio altimeter. · Page AvJet Corp
- [STC SA1934SW](https://openairdocs.org/stc/SA1934SW.md): Installation of instrument switching system. · Page AvJet Corp
- [STC SA1935SW](https://openairdocs.org/stc/SA1935SW.md): Installation of Collins FD 109Z and FD 109Y flight director system. · Page AvJet Corp
- [STC ST456CH-D](https://openairdocs.org/stc/ST456CH-D.md): Installation of AlliedSignal Aerospace TFE731-3D-1H or TFE731-3DR-1H Turbofan Engine(s). · Honeywell International Inc
- [STC SA329NE](https://openairdocs.org/stc/SA329NE.md): Installation of Teledyne Avionics' normalized angle of attack indicating sys. P/N 112B7200. · Aerosonic Corporation
- [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 ST02197NY](https://openairdocs.org/stc/ST02197NY.md): ONE-ONLY: Installation of IS&S Dual Digital Air Data System, serial number 256066. · Global Aviation Technologies
- [STC ST01394WI-D](https://openairdocs.org/stc/ST01394WI-D.md): Modification of a Collins CTL-23 or CTL-23C VHF COMM/NAV Control Panel System installation. · Rockwell Collins Inc
- [STC ST01378WI](https://openairdocs.org/stc/ST01378WI.md): Reduced Vertical Separation Minimum (RVSM) non-group airworthiness approval. · Kohlman Systems Research Inc.
- [STC ST01601SE](https://openairdocs.org/stc/ST01601SE.md): Descriptive data pertaining to this design change are considered inadequate for duplication on other products. This approval is limited to the Hawker Siddeley Model HS.125-600A, Serial Number 256029 only. Non-Group (Individual) aircraft approval for Reduced Vertical Separation Minimum (RVSM). · AeroMech Incorporated
- [STC SA786EA](https://openairdocs.org/stc/SA786EA.md): Installation of lavatory door and bulkhead at station 392. · Garrett Aviation Services
- [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 ST02133CH](https://openairdocs.org/stc/ST02133CH.md): Limited to installation on Raytheon model HS.125 series 600A, serial number 256045 ONLY. Non-group aircraft certification for Reduced Vertical Separation Minimum (RVSM) operational capability. · Elliott Aviation Technical Products
- [STC ST02074CH](https://openairdocs.org/stc/ST02074CH.md): Installation of Innovative Solutions & Support (IS&S) dual Air Data Display Units (ADDU) and single Analog Interface Unit (AIU). · Elliott Aviation Technical Products
- [STC ST01460SE](https://openairdocs.org/stc/ST01460SE.md): Descriptive data pertaining to this design change are considered inadequate for duplication on other products. This approval is limited to the Hawker Siddeley Model HS.125-600A, Serial Number 256065 only. · AeroMech Incorporated
- [STC ST01465SE](https://openairdocs.org/stc/ST01465SE.md): Non-Group (Individual) aircraft approval for Reduced Vertical Separation Minimum (RVSM) · AeroMech Incorporated
- [STC ST01946NY](https://openairdocs.org/stc/ST01946NY.md): Cockpit voice recorder replacement with Universal CVR 30B or CVR120. · MidCanada Mod Center
- [STC SA1175EA](https://openairdocs.org/stc/SA1175EA.md): Installation of access doors. · PATS Aircraft LLC

Next page: https://openairdocs.org/model/hawker-siddeley-hs-125-600a/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 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 ('4230158')
  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/hawker-siddeley-hs-125-600a/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.