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Aviation

Aviation is one of Europe's most heavily regulated and fastest-evolving sectors and a field where competition law, State aid, safety regulation, sustainability obligations, and labour law frequently intersect. Advising airlines, airports, groundhandlers, manufacturers and public authorities in this environment calls for lawyers who understand both the regulatory complexity of the industry and the commercial pressures under which it operates.

Our Aviation practice combines comprehensive advice across all legal aspects of this sector with a distinctive strength in Regulatory, competition law and State aid — a rare combination in the Belgian market. We regularly advise on some of the most complex State aid matters in the sector: subsidies to airports, commercial arrangements between airports and airlines, and compliance with EU rules on groundhandling, airport charges, security, safety and air navigation services. We also advise on abuse of dominance and airline alliance matters and bring specific expertise in aviation labour law.

We represent clients before the European Commission, national competition and regulatory authorities, and national and EU courts — always with a proactive, business-oriented approach that keeps commercial reality, not just legal risk, at the centre of our advice.

Through CMS' global network, we work seamlessly with colleagues across the world, giving clients coordinated advice wherever their operations take them.

Awards & Recognitions
01 –
  • Quote
    "CMS has unprecedented experience in the airline and airport sector, offering proactive, business-oriented solutions."
    Feedback from a client about the department, Legal 500, 2026
  • Quote
    "Rare expertise in airports and in commercial and contractual relationships with airlines."
    Feedback from a client about the department, Legal 500, 2026
  • Quote
    "CMS combines deep legal knowledge with practical aviation insight, translating complex issues into clear, business-focused advice."
    Feedback from a client about the department, Legal 500, 2026
  • Quote
    "CMS provided insightful EU competition law advice on airport ground handling. They were responsive, precise, and met all deadlines."
    Feedback from a client about the department, Legal 500, 2026
  • Quote
    "CMS is a full-service firm with broad expertise in air transport and airports and are noted for 'offering proactive, business-oriented solutions', advising private aircraft manufacturers, public authorities, airport infrastructure owners, ground handlers, and airlines. The firm has a distinct focus on European regulatory and competition law, with specific expertise in complex State aid matters concerning airport financing, commercial contracts with airlines, and compliance with EU regulations on ground handling, airport charges, and security. CMS also offers specific expertise in labour law within the air transport sector. Annabelle Lepièce heads the team and serves as the primary point of contact."
    Legal 500, 2026

Aviation Insights

Events

  • 10 Sep 2026 - 04 Nov 2026
  • 30 Sep 2026 - 19 Nov 2026
  • 07 Oct 2026 - 10 Oct 2026
  • 19 Nov 2026

Local market knowledge. Global outlook

We provide future-facing legal advice to help your organisation thrive. Combining local market knowledge and a global perspective, and with lawyers in locations worldwide, your organisation benefits from the expertise it needs, even across borders.

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