Australian businesses are being warned to immediately register any commercial drones or risk incurring a hefty penalty. From January 28, operators of commercial or non-recreational drones who have failed to register their drones with the Civil Aviation Safety Authority face fines of up to $11,100. Public liability insurance could also become void as operating an unregistered commercial drone will be illegal, CASA warns. Recreational drones which are flown just for fun or sport are not currently required to be registered. Drones can be registered for free on the CASA website until June 30 and the registration will remain valid for 12 months. It’s understood a registration fee that will apply after that date has not yet been set by the federal government but is likely to be more than $100. People flying commercial and non-recreational drones must also hold a drone pilot licence or accreditation from CASA. CASA spokesperson Peter …