FAA Regulation

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. 

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

Name and Phone Number of the Operator. Address and phone number of the pilot. Location and altitude of the controller.

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.

Land the aircraft as soon as practicable.  Activate the aircraft’s navigation lights. Notify the nearest FAA Air Traffic facility.

Continue the mission, airplanes are not allowed to fly lower than 500 feet AGL unless around an airport. Give way and stay clear from the crop duster.   Continue the mission, ...

Visual observer.  Person manipulating the controls. Remote PIC.

must be made immediately to the NTSB.  must be made within 10 days to the FAA. is not required.