FAA Regulation

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.

visual observer. remote pilot-in-command.  owner of the small UAS.

It must not contain exposed rotating parts that can lacerate.  It must not contain exposed rotating parts that can lacerate and must not cause injury equivalent to 11 ft-lb of kinetic energy.

must not cause injury to a human being equivalent to 11 ft-lb of kinetic energy.  must have an approved type certificate issued under Part 21. must not cause injury to a ...

Yes, as long as the bride and groom provided their written consent. No, sustained flights over human beings are not allowed. Yes, as long as the aircraft is listed with an ...

Yes, as long as the bride and groom provided their written consent. Yes, as long as the aircraft is listed with an FAA-accepted Declaration of Compliance. No, sustained flights over human ...

The Administrator, authorized representatives from the NTSB or TSA, or any Federal, State, or Local Law enforcement officers.  The General Public and any Government Employees. Any Government employee.

Name and Phone Number of the Operator. Address and phone number of the pilot. Location and altitude of the controller.

No more than three as long as the Remote PIC maintains visual line of sight. As many as he/she can handle. No more than one. 

September 30th, two years from this year.  October 25th, one year from this year. October 31st, two years from this year.