Protection in opposition to unmanned aircraft systems - handbook on UAS possibility evaluation and principles for Bodily hardening of properties and web pages Different nations around the world have different rules. Beforehand, in the united kingdom, drones weighing fewer than 250g ended up exempt from registration. This has changed: proprietors https://felixcvkxh.csublogs.com/34274903/the-best-side-of-government-bird-drones