Function - Hobby only. Fun and learning
Weight/Size - 10 pounds all up max
Range - limited by max altitude. 400 feet. how can you fly and stay under 400 feet?
Control Systems - whatever
Vehicle Types - fixed wing, rotary wing, multrotor
Power System - whatever
Insurance Requirements - none but good idea
Registration/Identification - none this is a hobby
Pilot Qualifications - common sense. yes hard to come by but we don't need more rules
Airframe Certification - none this is a hobby but here again use common sense in your builds
Operational Mode - line of site or fpv with spotter even if out of visual range
Operational Location/Environment - NOT OVER PEOPLE. Read what I'm writing. NOT OVER PEOPLE. Not over anything you can't afford to pay to have fixed.