It's worth noting that you register once and then mark each aircraft with your registration number[0]. You don't need to register each aircraft. 0: https://www

It's worth noting that you register once and then mark each aircraft with your registration number[0]. You don't need to register each aircraft. 0: https://www.faa.gov/uas/registration/faqs/#use https://www.faa.gov/uas/registration/faqs/#use