For over three decades, Mark has represented clients in virtually all areas of the law that touch the aviation industry, including U.S. and foreign government regulation, administrative enforcement, litigation and commercial matters.

He is particularly well versed in uncrewed aircraft systems (UAS) law, assisting clients in their efforts to obtain approval for complex commercial drone operations, including beyond visual line of sight and autonomous flight, as well as in obtaining air carrier certificates and economic authorizations.

Mark has experience in aircraft sales and leases, the purchase and transfer of aviation certificates, aviation contract drafting and risk management, and represents a wide range of aviation service providers, including airports, fixed base operators, maintenance and overhaul companies, service providers, and airframe and other aerospace manufacturers.

He also represents clients in aviation regulatory and enforcement actions, and conducts due diligence reviews for the aviation industry, and has advised clients on and litigated numerous aspects of international air transportation, including the application of the:

• Warsaw Convention
• Hague Convention
• Montreal Protocols
• Montreal Convention
• International Civil Aviation Organization’s International Standards and Recommended Practices.

A frequent speaker and author on UAS and aviation matters, Mark is co-editor of the firm’s Plane-ly Spoken blog, which provides news, analysis and opinion on pressing issues that affect the aviation industry.