ST03292CHAircraft connectivity
Activation of an 802.11 a/b/g/n WiFi System.
FAA holder: Elliott Aviation Technical Products Development, Inc.
Aircraft STC directory
Gulfstream Aerospace LP 1125 Westwind Astra STCs
The Jun 30, 2026 FAA DRS snapshot contains 43 selected supplemental type certificates with status Current whose public applicability data names the Gulfstream Aerospace LP 1125 Westwind Astra. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
43
listed Current at snapshot
23
holder directories
8
modification categories
Aug 14, 2025
latest recorded revision
Modification demand surface
Other aircraft modifications19
Avionics16
Aircraft connectivity2
Safety and emergency equipment2
Cargo and special mission1
Flight controls1
Engine and powerplant1
Aircraft performance1
Recorded holders
Gulfstream Aerospace Corporation9Duncan Aviation Inc6Peregrine4Garrett Aviation Services3Aviation Communication and Surveillance Systems (ACSS) LLC2Elliott Aviation Technical Products Development, Inc.1BHE & Associates LTD1Blackhawk Aerospace Technologies Inc.1LifePort LLC1Spectrum Aeromed LLC dba Spectrum Aeromed1BE Aerospace Inc. DBA SMR Technologies, Inc.1Pro Star Aviation, LLC1ADS-B Technologies, LLC1Chicago Jet Group LLC1Purolator Facet, Inc1Honeywell International Inc1Rockwell Collins Inc1Jet Aviation GmbH1AeroMech Incorporated1Pentastar Aviation LLC1
Recently revised 1125 Westwind Astra STCs
Showing the 43 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
SA11300DSAvionics
Upgrade previously installed Collins Aerospace Radar Altimeter.
FAA holder: BHE & Associates Ltd.
ST02004WIOther aircraft modifications
Installation of the Garmin GI-275 Instantaneous Vertical Speed Indicators (IVSI).
FAA holder: Peregrine
ST01523WIAvionics
Model Westwind Astra 1125 (S/N -004 thru -041)Installation of Universal Avionics EFI-890R Flat Panel EFIS System with Optional Vision 1 Synthetic Vision 1 System, Optional Universal Avionics Application Server Unit, Optional WSI AV300/350 Weather Data Link System, and Thommen AC-32 Air Data Computer.
FAA holder: Blackhawk Aerospace Technologies Inc.
ST02635LAAvionics
Modification to replace the existing Mode S Transponder system with the ACSS NXT-600 Mode S Transponder with ADS-B Out.
FAA holder: Aviation Communication and Surveillance Systems (ACSS) LLC
SA4999NMOther aircraft modifications
Installation of lifeport patient loading and support system.
FAA holder: LifePort LLC
SA01213CHCargo and special mission
Install air ambulance conversion in accordance with Spectrum Aeromed Inc. Drawings as listed on AML SA01213CH, or later FAA approved revision.
FAA holder: Spectrum Aeromed LLC dba Spectrum Aeromed
ST04294NYOther aircraft modifications
Replacement of certain Goodrich pneumatic de-icer boots.
FAA holder: BE Aerospace Inc. DBA SMR Technologies Inc.
ST00790DEOther aircraft modifications
Installation of BendixKing CAS 67B Traffic Alert and Collision Avoidance System (TCAS) II Version 7.1.
FAA holder: Peregrine
ST00373BOAvionics
Installation of Rockwell Collins TDR-94D Transponders with ADS-B Out.
FAA holder: Pro Star Aviation, LLC
ST02499AKAvionics
Approval of the Thomas Global Systems TFD8601Active Matrix Liquid Crystal Display installed.
FAA holder: ADS-B Technologies, LLC
ST03262CHAircraft connectivity
Installation of a Data Link Communication System supporting Air Traffic Services (ATS) utilizing SATCOM with a compliant Communications Management Unit.
FAA holder: Chicago Jet Group LLC
ST00304WIOther aircraft modifications
Installation of Keddeg Company 21BC113 coaleser assembly.
FAA holder: Purolator Facet, Inc
ST02609LAAvionics
Modification to replace the existing Mode S Transponder system with ACSS NXT-700 Mode S Transponder with ADS-B Out.
FAA holder: Aviation Communication and Surveillance Systems (ACSS) LLC
ST00619WIFlight controls
Installation of flap/slat actuator heaters.
FAA holder: Gulfstream Aerospace Corporation
ST01855CH-DEngine and powerplant
Installation of Honeywell N1 Digital Electronic Engine Controls (DEEC).
FAA holder: Honeywell International Inc
ST01542WI-DAvionics
Modification of a Rockwell Collins, Inc. AFD-3010 and AFD-3010E Adaptive Flight Display Installation in Part 25 Aircraft.
FAA holder: Rockwell Collins Inc
ST00790WI-DSafety and emergency equipment
Installation of Allied Signal MK VII Enhanced Ground Proximity Warning System (EGPWS) with Windshear in the Israel Aircraft Industries, LTD, Model 1125 Westwind Astra Airplanes.
FAA holder: Duncan Aviation Inc
ST01184WI-DAvionics
Installation of a Universal Avionics corporation Terrain Awareness and Warning System (TAWS).
FAA holder: Duncan Aviation Inc
ST01332WI-DAvionics
Installation of a Collins IDS-3000 Integrated Display System with IFIS-5000 Integrated Flight Information System and XM Data Receiver.
FAA holder: Duncan Aviation Inc
ST02627NYOther aircraft modifications
Upgrade of Universal UNS-1C to UNS-1C.
FAA holder: Jet Aviation GmbH
ST01034SEOther aircraft modifications
ONE ONLY STC, S/N 025: Non-group individual aircraft approval for Reduced Vertical Separation Minimum (RVSM.
FAA holder: AeroMech Incorporated
ST01445WI-DOther aircraft modifications
Installation of dual Collins AHS-1000S Attitude Heading System in the Gulfstream Aerospace LP, 1125 Westwind Astra Airplanes.
FAA holder: Duncan Aviation Inc
ST02281CHOther aircraft modifications
Installation of provision for CMC Electronics CMA-1100 PilotView Electronic Flight Bag system.
FAA holder: Pentastar Aviation LLC
ST02358NYOther aircraft modifications
Installation of a Northern Airborne Technology STX100 SATPHONE system.
FAA holder: Northern Airborne Technology Ltd
ST10322SC-DOther aircraft modifications
S/N 012 ONLY: Installation of Dual NavAero Class 2 t-bag Electronic Flight Bag (EFB).
FAA holder: Gulfstream Aerospace Corporation
ST03154AT-DOther aircraft modifications
Installation of Concorde Valve Regulated Lead-Acid Main Batteries.
FAA holder: Gulfstream Aerospace Corporation
ST10308SC-DAvionics
Installation of Dual Universal Avionics UNS-1C + Flight Management Systems.
FAA holder: Gulfstream Aerospace Corporation
ST02163CH-DSafety and emergency equipment
Installation of a Honeywell Mark VIII Enhanced Ground Proximity Warning System.
FAA holder: Garrett Aviation Services
ST01321WIOther aircraft modifications
Reduced Vertical Separation Minimum (RVSM) non-group airworthiness approval of specific Gulfstream Aerospace LP Model 1125 Westwind Astra aircraft.
FAA holder: Kohlman Systems Research Inc.
ST01189SEOther aircraft modifications
Group aircraft approval for Reduced Vertical Separation Minimum (RVSM) in accordance with AeroMech Document No. AMI-QD-IAI-0002, Revision B, dated April 1, 2003 (or later FAA approved revision).
FAA holder: Gulfstream Aerospace Corporation
ST09838SCOther aircraft modifications
Installation of Collins ADC-87 No. 1.
FAA holder: Gulfstream Aerospace Corporation
ST01971CHOther aircraft modifications
Installation of L3 Communications Model F1000 Digital Flight Data Recorder.
FAA holder: General Dynamics Aviation Services
ST00056CH-DAvionics
Installation of Universal Avionics Flight Management Systems for Primary Means in Oceanic and Remote Airspace.
FAA holder: Garrett Aviation Services
ST01854CH-DAvionics
Installation of an Innovative Solutions & Support (IS&S) Air Data Display Unit and Standby Altimeter.
FAA holder: Garrett Aviation Services
ST01184WIAvionics
Installation of a Universal Avionics Corporation Terrain Awareness and Warning System (TAWS).
FAA holder: Duncan Aviation Inc
ST09808SC-DAircraft performance
Installation of dual Collins ADS-80 Airdata Systems incorporating Astra Service Bulletin 1125-00-196 (Modification of Aircraft to Increase Maximum Take-Off Weight).
FAA holder: Gulfstream Aerospace Corporation
ST09806SC-DOther aircraft modifications
S/N 021 ONLY: Installation of dual Honeywell (Allied Signal) GNS XLS Flight Management Systems.
FAA holder: Gulfstream Aerospace Corporation
ST09807SC-DOther aircraft modifications
Installation of a Collins TCAS-4000, Traffic Collision Avoidance System (TCAS II).
FAA holder: Gulfstream Aerospace Corporation
ST374CHOther aircraft modifications
Installation of a TCAS I.
FAA holder: Goodrich Avionics Systems Inc