FAA Regulation

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.

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

Compliant with Part 107 when used with a first-person view (FPV) camera system. Not compliant with Part 107. Compliant with Part 107.

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

up to 2 years after the date of final conviction. up to 1 year after the date of final conviction.   up to 6 months after the date of final conviction.

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 ...

30 days. 10 days.  90 days.

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