You need to check with the local authorities for permitting. I have some friends who have used remote controlled helicopters in urban places for video productio

You need to check with the local authorities for permitting. I have some friends who have used remote controlled helicopters in urban places for video production, and the liability is a real hassle. * If you fly too low this is a hazard to road traffic * You may be too close to construction sites * Radio frequency may need to be licensed for that day/time/area * General liability Lastly -- I think it becomes a target practice for kids and people who hate this kind of advertising in general.