FAA Regulation

Yes, this sUAS operation is subject to Part 107.   Yes, Part 107 allows flight directly over people to capture video. No, this sUAS operation is not subject to Part 107.

No higher than 200 feet. No higher than 400 feet. No higher than 300 feet.

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.

Yes, all sUAS aircraft weighing over .55 lbs. are subject to Part 107 No, this sUAS operation is not subject to Part 107.  Yes, this sUAS operation is subject to Part ...

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.

The remote pilot must contact the Air Traffic Control (ATC) facility after launching the unmanned aircraft. The remote pilot must monitor the Air Traffic Control (ATC) frequency from launch to recovery. The remote pilot must have prior authorization from the ...

Visual observer. Person manipulating the controls. Remote Pilot in Command (Remote PIC). 

Person manipulating the controls.  Visual observer. Remote Pilot in Command (Remote PIC).

Person manipulating the controls. Remote Pilot in Command (Remote PIC).   Visual observer.

Operating your sUAS for an imagery company.   Flying for enjoyment with family and friends. Conducting public operations during a search mission.