FAA Regulation

Remote Pilot in Command. Commercial Balloon pilot. Designated Pilot Examiner.

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. 

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

filed a IFR flight plan. received prior authorization from the controlling agency.  received prior permission from the commanding officer of the nearest military base.

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

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

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.

.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.

receive type certification under Part 21. have remote ID for all operations over human beings. be operated by a Part 61 pilot.

The applicant must have logged 20 hours of flight time. The applicant must be a US Citizen. The applicant must be at least 16 years old.