Roslagens Flygklubb is based at Mellingeholm Airport (ESSN) near Norrtälje in Roslagen. The club combines motor flying, model flying and club activities, and offers pilot training toward PPL and LAPL through its flygskola. The field has an 800 m asphalt runway, club facilities, hangar space and local weather information for flight planning.
Services include aircraft booking, visitor information, fly-ins and introductory flights.