FAA Regulation

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

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

12 hours. 8 hours. 24 hours.

The remote pilot must contact the Air Traffic Control (ATC) facility after launching the unmanned aircraft. The remote pilot must monitor the Air Traffic Control (ATC) frequency from launch to recovery. The remote pilot must have prior authorization from the ...

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. 

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

600 feet AGL. 500 feet AGL. 400 feet AGL.

.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.