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

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

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

Remote Pilot in Command.  Contractor Site supervisor.

Only when visual observers participate in the operation. Alone, if operating during daylight hours. Under the direct supervision of a Remote PIC.  

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

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.