FAA Regulation

No Medical Certificates are required. A Class 3 Medical Certificate A Class 2 Medical Certificate.

must not cause injury equivalent to 25 foot-pounds of kinetic energy upon impact. be operated in accordance with the operating limitations specified in the approved Flight Manual. be 0.55 pounds or ...

With the controlling agency’s authorization.   Regulations do not allow this. When flying on airways with an ATC clearance.

Civil and public aircraft operations. Public and military operations. Civil operations. 

Yes, it will cost $5 per aircraft. They don’t need to, your aircraft are already registered and your pilots are certificated. No, they will have to obtain operating authority from the Department of Transportation.

must be made immediately to the NTSB.  must be made within 10 days to the FAA. is not required.

Over suburban areas. Over a parade or other social events. Over a sparsely populated area.  

No, the other people in the park are not on notice.  Yes, as long as the park is not busy enough that it would be considered an open-air assembly of human beings.

The FAA does not allow the use of ADSB-out for sUAS. Anytime you are flying in controlled airspace. Only when flying in a Temporary Flight Restriction.