Yes, RPAS (Or Remotely Piloted Aircraft Systems) Are legal in Canada. There are three main types of RPAS, Sub-250 grams, which requires no license or certificate for operation, Next, there is anything above 250 grams and below 25kg, which requires a Basic Pilot certificate and must be registered on the Transport Canada website. Lastly, anything above 25kg falls under special regulations and may require an SFOC. Learn more about drone safety here.