Seamless aeronautical communication gateways

Creating a safer, better-connected and reliable aviation experience for everyone.

Leading innovation in aeronautical gateways

Enabling global communications

Calian has developed custom aeronautical gateways for over 10 years, enhancing in-flight communication for passengers and flight crews. Our expertise lies in engineering sophisticated hardware and software, including advanced modulators and demodulators, ensuring robust and reliable communication in the skies. 

Transform your airborne communication

Comprehensive aeronautical communications

Calian is charting new horizons in airborne communications—elevating connectivity while ensuring safety.  

A modern data center with rows of server racks illuminated by multicolored neon lights reflecting on the floor.

Turn-key solutions

Flawless integration for satellite communication systems

Our turn-key solutions span systems engineering, ground infrastructure for satellite communications, terrestrial network design, installation and comprehensive training to ensure fully operational systems. 

Mission critical

Ensuring continuous, secure airborne communication 

We emphasize high availability with redundant equipment and automatic fail-over, guaranteeing uninterrupted, safety-critical communications between the cockpit and air traffic control. 

A man in a blue sweater reviews financial documents, with a computer screen displaying graphs and data analytics in front of him.

Service level monitoring 

Advanced monitoring for optimal air traffic communication

Our systems include advanced monitoring capabilities to detect and alert network operators of service issues, ensuring consistent, high-quality air traffic communications.

Safe, secure, reliable

Precision engineering for advanced aeronautical systems

Calian combines in-house developed hardware and software with top-tier commercial components to deliver safe, secure and reliable communications. Our software adheres to RTCA/DO-278A Assurance Level 5 standards. 

A middle-aged man and a young woman, both wearing formal attire, analyze data on a tablet while walking through a server room.

Long-term support

Sustained support for superior communication systems

From installation to decommissioning, Calian provides comprehensive long-term support and maintenance services, ensuring the longevity and reliability of your communication systems.

Experience the best in aeronautical communication

Our success stories

Inmarsat classic aero gateway

Revolutionizing aeronautical communication with Inmarsat 

Calian crafted and implemented two classic aero gateway systems for Inmarsat, bolstering aeronautical services via the Inmarsat-4 and Inmarsat-6 satellites. These systems support seamless data, voice and safety services, crucial for crew and passenger communication with terrestrial networks, including air traffic control. 

Inmarsat ACARS ground gateway

Reliable communication you can trust 

Calian developed the ACARS ground gateway (AGGW) for Inmarsat. The AGGW plays a pivotal role in enhancing reliable and secure communication channels for the aeronautical industry, marking a significant advancement in air safety technology. 


Talk to a Calian expert today

Reach out to us to learn how our innovative solutions can help you solve your most complex challenges.


Social responsibility at Calian

Committed to social responsibility.

ESG—more than a buzzword.

Our vision builds on our mission, values, historical commitment to social responsibility and key competencies. It provides a framework and focus for our activities and corporate communications related to ESG (Environmental Social Governance).

Download ESG report

Your service inspires us.

Proudly welcoming  100+ veterans to our team every year

Their expertise enriches our solutions, and hiring military spouses is our heartfelt way of giving back to the defence community. We’re committed to being there for you, in and out of uniform.

Explore opportunities

Relocating? We’ve got you covered.

4,000+ family members connected with family doctors

Our partnership with the Canadian Forces Morale and Welfare Services ensures that military family members are connected with family doctors, hassle-free.

Learn more

Building a resilient community together.

$650,000+ in corporate giving

We are woven into our community’s fabric, our support extending to renowned organizations and causes. We’re not just about business; we are about building a supportive and resilient community together.

Learn more

Engaging in research that matters.

Our contributions to significant research projects and our focus on environmental safety are unwavering. We’re front-runners in compliance with environmental laws and continually innovate to lessen our ecological footprint.

Learn more

Committed to exceeding expectations.

30+ Indigenous community engagements

With a published Indigenous engagement policy, Calian sets out the framework and guidelines for all Calian business activities while being wholly committed to meeting—even exceeding—the five per cent Indigenous participation requirement on all Federal contracts.

Learn more

Global innovation for connected, safe and healthy lives

Explore Calian's four distinct business units below.

Advanced Technologies

Stay innovative and future-ready with adaptive technological strategies.

IT & Cyber Solutions

Guard your digital assets with state-of-the-art security solutions.


Navigate healthcare with solutions that prioritize your community's well-being.


Empower your team to achieve with targeted training solutions.

This site is registered on as a development site. Switch to a production site key to remove this banner.