Under what condition would a small unmanned aircraft not have to be registered before it is operated in the united states?

a. when the aircraft has a takeoff weight that is more than .55 pounds, but less than 55 pounds, not including fuel and necessary attachments
b. when the aircraft weighs less than .55 pounds on takeoff, including everything that is on-board or attached to the aircraft
c. all small unmanned aircraft need to be registered regardless of the weight of the aircraft before, during, or after the flight

B). WHEN THE AIRCRAFT WEIGHS LESS THAN 0.55 POUNDS ON TAKEOFF, INCLUDING EVERYTHING THAT IS ON-BOARD OR ATTACHED TO THE AIRCRAFT

Explanation:

All small UAS need to be registered regardless of the weight of the aircraft before, during, or after the flight. When the aircraft has a takeoff weight that is more than 0.55 pounds, but less than 55 pounds, not including fuel and necessary attachments, an unmanned aircraft would not have to be registered before it is operated in the United States

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.

answer; earthquake;