FAA Regulation

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

No, 14 CFR Part 107 only applies to sUAS weighing less than 0.55 lbs. Yes, there is no lower weight limit for operating under 14 CFR Part 107.   No, roof ...

Remote Pilot Certificate, Registration Card, and a copy of the Completion Certificate for the Recurrent Training.  Remote Pilot Certificate and your logbook. Remote Pilot Certificate and Registration Card.

12 hours. 8 hours. 24 hours.

Civil and public aircraft operations. Public and military operations. Civil operations. 

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

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

The FAA does not allow the use of ADSB-out for sUAS. Anytime you are flying in controlled airspace. Only when flying in a Temporary Flight Restriction.