can be easily removed without the use of tools. is visible to the visual observer or other crew members. does not adversely affect the center of gravity.

Faster speed. Shorter endurance.  Increased maneuverability.

exceeds its critical angle of attack.  exceeds the maximum speed. exceeds maximum allowable operating weight.

the CG is shifted rearward to the aft CG limit. the gross weight is reduced. the airplane is subjected to maneuvers other than straight and level flight.

Remote Pilot in Command  Manufacturer. Owner or operator

Aircraft Weight and Balance Handbook.  Aeronautical Information Manual (AIM). Pilot’s Operating Handbook or UAS Flight Manual.