FAA Regulation

make sure the UAS is within 400 feet of the control station. maintain line of sight throughout the entire process.   have a visual observer.

The owner of the aircraft. The operator of the aircraft. The manufacturer of the aircraft.

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.

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.

No, Part 107 requires a Remote Pilot certificate. Yes, as a Student Pilot they can. Yes, under the direct supervision of a remote Pilot in Command. 

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 ...

The Remote Pilot in Command (RPIC). The owner of the aircraft. The FAA.

1 calendar month. 7 days. 14 days. 

The FAA Inspector-in-Charge. The lead visual observer. The Remote Pilot in Command.

The National Transportation Safety Board. Upon request of the Federal Aviation Administration.  Air Traffic Control.