Stockholm

Stockholm follows the EU Open, Specific and Certified drone categories, adopted by Sweden on January 1, 2021. Open Category Subcategory A1 (C0/C1) drones are typically under 900 g, or under 250 g for C0, and may fly in populated areas but must avoid flying directly over uninvolved people, with crowds strictly prohibited. Open Category Subcategory A2 (C2) drones up to about 4 kg may not fly over people and must maintain at least 50 meters from bystanders, or comply with the 1:1 rule in low-speed mode; an A2 certificate is required. Open Category Subcategory A3 (C3/C4) drones up to 25