FAA Regulation

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

Ensure the aircraft is equipped with a parachute. Ensure that the area is restricted-access and that everyone inside moving vehicles inside the area are on notice.   Ensure that everyone inside ...

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.

is operated by a Part 61 certified pilot. documents maintenance, preventive maintenance, alterations, and inspections.  is only operated over small groups of people.

The aircraft’s Document of Compliance The manufacturer’s Means of Compliance. The Certificate of Aircraft Registration. 

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

Compliant with Part 107. Part 107 does not apply to this scenario. Not compliant with Part 107. 

ensure that the human beings who are not participating in the operation are under a covered structure or inside a non-moving vehicle. ensure the sUAS is equipped with a parachute make sure the area is closed or restricted-access.

.04 percent by weight or more alcohol in the blood.   .004 percent by weight or more alcohol in the blood. .008 percent by weight or more alcohol in the blood.

No, the carriage of hazardous material is prohibited under Part 107.  Yes, your BVLOS waiver allows you to fly further than 10 miles. No, 10 miles is too far even with ...