Aerosystems International Inc.

Fergie Legge
President and CEO
Tel: (514) 336-9426
| Fax: (514) 336-4383

Mark Connolly
V.P. Marketing
Tel: (514) 336-9426
Fax: (514) 336-4383

3538 Ashby
Montreal (St-Laurent), QC, H4R 2C1

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Aerosystems International Inc (ASI) has been serving the aviation community since 1971, offering a variety of products and services to the aerospace sector. As an AS9100 registered company, ASI’s services include wire harness assemblies, ground support equipment, component integration and logistical support such as kitting.


ASI has designed and manufactured a variety of electronic based ground support equipment. ASI designs GSE based on clients’ specific requirements or build-to-print requirements.

  • Fuel Metering Unit (FMU)Tester
  • Diverter Valve Control (DVC)Tester
  • Breakout Box Antiskid
  • Test Kit Monitoring System
  • Engine SimulatorTest Box
  • Landing Gear SimulatorTest Box
  • Rigging Set Nose Wheel Steering
  • Thrust ReverseTest Box
  • Test SetYaw Damper Servo Actuator
  • Simulator Wheel Spin Up
  • Cabin AudioTest Box
  • FADECTester


ASI has invested in a variety of specialized wire handling equipment, including industry standard UV laser wire markers. ASI assembles and supplies specialized cables and harnesses for the aerospace industry, partial builds or in kit format. ASI’s technical staff is skilled in handling a wide variety of military and ARINC style connectors. ASI technicians are currently certified to J-STD-001.

  • Landing Gear Harness Assembly
  • Harness Passenger Door
  • Cable Kit ARINC 429
  • Nacelle Harness
  • Harness Assembly Nose Gear Bay
  • Installation Kit IRS
  • Glare Shield Harness
  • Wing Harness
  • Airborne Coax Assembly


Using the extensive resources of the aerospace cluster in the Montreal region, ASI can offer a fully integrated solution to your product needs. Working with local suppliers, ASI can provide wiring, sheet metal, painting, machining, etc. to yield a compliant sub assembly.

  • 28VDC Outlet – Bilge Pump
  • PCB Assembly – Elevator
  • PCB Assembly – Rudder
  • Box Assembly – Water Door System
  • Plate Assembly –TAWS Warning
  • Cockpit Panel Assembly
  • Altimeter Sensor Panel Assembly
  • Box Assembly Wing Anti Ice
  • System Box
  • Glare Shield Panel Assembly


ASI has established itself as a leader in the area of wide band radio monitoring and direction finding. Valuable technologies for today’s security in airport environments, or at major events such as the Vancouver Olympics, where knowledge of your radio spectrum is critical. ASI’s spectrum management systems enhances security around airports by building a history of friendly radio traffic data, which is used to trigger alarms for non documented signals, detected in real-time. All systems are controlled remotely.