ST08995ACLanding gear and brakes
Replacement of original O rings and backup rings from landing gear lower bearing and floating piston with Green Tweed, Inc. AGT seals.
FAA holder: Metrea Special Aerospace ISR Inc.
Aircraft STC directory
Israel Aircraft Industries 1124 STCs
The Jun 30, 2026 FAA DRS snapshot contains 52 selected supplemental type certificates with status Current whose public applicability data names the Israel Aircraft Industries 1124. Use it to identify modification scope and recorded holders—not to determine serial-number effectivity, compatibility, installation approval, or commercial availability.
52
listed Current at snapshot
26
holder directories
8
modification categories
Apr 29, 2025
latest recorded revision
Modification demand surface
Other aircraft modifications23
Avionics17
Cargo and special mission3
Engine and powerplant3
Safety and emergency equipment2
Cabin and interiors2
Landing gear and brakes1
Electrical systems1
Recorded holders
Duncan Aviation Inc11Garrett Aviation Services4Peregrine3AeroMech Incorporated3Aviation Communication and Surveillance Systems (ACSS) LLC2Pro Star Aviation, LLC2Honeywell International Inc2Learjet Inc.2AAR Airframe and Accessories Group2Metrea Special Aerospace ISR Inc.1Med-Pac Inc.1Air Comm Corporation1SMR Technologies Inc1Spectrum Aeromed LLC dba Spectrum Aeromed1Delta Engineering Corporation1Purolator Facet, Inc1Paul/ Lanna Egan LLC1Standard Aero1Kohlman Systems Research Inc.1Rosen Sunvisor Systems LLC1
Recently revised 1124 STCs
Showing the 52 most recently revised records. Each entry links to the FAA source and separates public approval data from private commercial claims.
View record
ST02004WIOther aircraft modifications
Installation of the Garmin GI-275 Instantaneous Vertical Speed Indicators (IVSI).
FAA holder: Peregrine
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
SA01452CHCargo and special mission
Installation of an air ambulance conversion kit.
FAA holder: Med-Pac Inc.
SA5556SWOther aircraft modifications
Installation of an electric driven vapor cycle air conditioning system.
FAA holder: Air Comm Corporation
ST09772ACOther aircraft modifications
Replacement of certain pneumatic deicer boots.
FAA holder: SMR Technologies Inc
ST02429CHCargo and special mission
Install air ambulance conversion.
FAA holder: Spectrum Aeromed LLC dba Spectrum Aeromed
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
ST00193BOSafety and emergency equipment
Installation of Honeywell MK-VIII Enhanced Ground Proximity Warning System.
FAA holder: Pro Star Aviation, LLC
ST00318NY-DOther aircraft modifications
Installation of a Single Loral F-800 digital flight data recorder (DFDR).
FAA holder: Delta Engineering Corporation
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
SA1178GLCargo and special mission
Install Egan Aviation air ambulance stretcher P/N 125, using Installation Kit P/N 805.
FAA holder: Paul/ Lanna Egan LLC
ST04004ATAvionics
Installation of Dual Garmin GTN 650/750 Global Navigation System with WAAS, Garmin GTX 32 and 33 Mode S Transponders and Garmin GMA 35 Audio Panel.
FAA holder: Gardner Aviation Services
ST01855CH-DEngine and powerplant
Installation of Honeywell N1 Digital Electronic Engine Controls (DEEC).
FAA holder: Honeywell International Inc
ST00558WI-DAvionics
Installation of a Universal Avionics Corporation dual UNS-1B Flight Management System.
FAA holder: Duncan Aviation Inc
ST01098WI-DAvionics
Installation of Universal Avionics Corporation Terrain Awareness System (TAWS).
FAA holder: Duncan Aviation Inc
ST00996CHOther aircraft modifications
Installation of AlliedSignal CAS-66A traffic alert and collision avoidance system (TCAS I).
FAA holder: Standard Aero
ST00514WI-DAvionics
Installation of an AlliedSignal Avionics, Inc., GNS-XIs Flight Management System (Dual).
FAA holder: Duncan Aviation Inc
ST00697WI-DOther aircraft modifications
Installation of AlliedSignal EGPWS System in the Israel Aircraft Industries Ltd. Models 1124 and 1124A Airplanes.
FAA holder: Duncan Aviation Inc
ST01099WI-DOther aircraft modifications
Installation of Collins AHS-3000A Attitude Heading System.
FAA holder: Duncan Aviation Inc
ST01516CH-DAvionics
Installation of Innovative Solutions & Support (IS&S) Dual Air Data Display Units (ADDU) and IS&S Analog Interface Unit (AIU).
FAA holder: Duncan Aviation Inc
ST737CH-DAvionics
Installation of Universal Navigation Corporation UNS-1K flight management system, using software (SCN) 602.x.
FAA holder: Duncan Aviation Inc
ST458CH-DEngine and powerplant
Installation of an AlliedSignal Aeropsace TFE731-3D-1G Turbofan Engine(s).
FAA holder: Honeywell International Inc
ST01221SEOther aircraft modifications
Group aircraft approval for Reduced Vertical Separation Minimum (RVSM).
FAA holder: AeroMech Incorporated
ST02150CH-DOther aircraft modifications
Installation of a Honeywell CAS-67A Traffic and Collision Avoidance System (TCAS II), in accordance with ElectroSonics Drawing ES1124-200352-01, Rev. A., dated April 07, 2005 or later FAA approved revision.
FAA holder: Garrett Aviation Services
ST01150WIOther aircraft modifications
Vertical Separation Minimum (RVSM) group airworthiness approval of Israel Aircraft Industries (IAI) 1124 Westwind Aircraft.
FAA holder: Kohlman Systems Research Inc.
SA00518DECabin and interiors
Reconfigure aircraft to a maximum seating of 9 passengers. Limited to installation on model 1124 Westwind, serial number 194 ONLY.
FAA holder: Milam International Inc
ST01116SEOther aircraft modifications
Group aircraft approval for Reduced Vertical Separation Minimum (RVSM) in accordance with AeroMech Document No. AMI-QD-WW-0115, Revision A, dated March 28, 2003, or later FAA-approved revisions.
FAA holder: AeroMech Incorporated
SA5136NMOther aircraft modifications
Installation of westwind monorail sunvisor system.
FAA holder: Rosen Sunvisor Systems LLC
SA1192SOElectrical systems
Install Utah Research & Development Co. Model 126BC-101 battery charger system.
FAA holder: Aviall Services, Inc.
ST01385LAAvionics
Installation of Universal Avionics Terrain Awareness and Warning System (TAWS).
FAA holder: Davis Aero Engineering Inc.
ST01106SEOther aircraft modifications
ONE ONLY STC Serial Number 270 - Non-group (individual) aircraft approval for Reduced Vertical Separation Minimum (RVSM).
FAA holder: AeroMech Incorporated
ST01098WIAvionics
Installation of Universal Avionics Terrain Awareness System (TAWS).
FAA holder: Duncan Aviation Inc
ST01099WIOther aircraft modifications
Installation of Collins AHS-3000A Attitude Heading System.
FAA holder: Duncan Aviation Inc
ST02536ATAvionics
Installation of Dual Universal Flight Management Systems (SCN 604.(x)software), certified as GPS Primary Means of Navigation for Oceanic/Remote Operations.
FAA holder: Garrett Aviation Services
ST00127DE-DOther aircraft modifications
Replacement of Model 1A1000-1D aircraft static inverters with 1B1000-1G aircraft static inverters.
FAA holder: Learjet Inc
SA1575NMEngine and powerplant
Replacement of the existing fan speed indicators (N1), turbine speed indicators (N2), and interstage turbine temperature indicators (ITT) with Intercontinental Dynamics Corp. (IDC) indicators.
FAA holder: Learjet Inc
ST328CHOther aircraft modifications
Installation of a TCAS-791 traffic alert and collision avoidance system (TCAS I).
FAA holder: Goodrich Avionics Systems Inc
ST01144CH-DSafety and emergency equipment
Installation of an AlliedSignal Mark VI or Mark VIII Enhanced Ground Proximity Warning System.
FAA holder: ElectroSonics
ST02369ATAvionics
Installation of Universal Avionics Systems Terrain Awareness Warning System (TAWS).
FAA holder: Garrett Aviation Services
ST02342ATAvionics
Installation of EGPWS Graphics Display capability.
FAA holder: Garrett Aviation Services
ST09543SCOther aircraft modifications
Installation of a Honeywell TCAS 2000 Traffic Alert and Collision Avoidance System II (TCAS II).
FAA holder: Gulfstream Aerospace Corporation
ST00940WIOther aircraft modifications
Installation of a Collins TCAS 4000 TCAS II system. Data required: (1) Duncan Aviation, Inc., Document List No. 10055700, Rev C, dtd 1/19/01; (2) Duncan Aviation Document No. 40010700, FAA Approved Airplane Flight Manual Supplement, dtd 1/19/01; or later FAA approved revisions to (1) or (2).
FAA holder: Duncan Aviation, Inc
SA3811SWOther aircraft modifications
Installation of a freon air conditioning system.
FAA holder: AAR Airframe and Accessories Group
SA4318SWCabin and interiors
Belt attachments for toilet seat.
FAA holder: AAR Airframe and Accessories Group
ST00037NYOther aircraft modifications
Installation of Lockheed 319 Flight Data Recorder and Fairchild A-100 Cockpit Voice Recorder.
FAA holder: Bombardier Completion Center Inc
ST00474NY-DOther aircraft modifications
Installation of an AlliedSignal CAS-66A TCAS I System.
FAA holder: Delta Engineering