Activities for which restricted areas are normally designated must extend upwards from the surface for more than 45 meters and must be considered noncompatible with or hazardous to nonparticipating aircraft. These activities include, but are not limited to, the following:
a. Firing of field artillery, air defense artillery, mortars, or small similar weapons.
b. Drone or remotely piloted vehicle (RPV) operations.
c. Certain types of aircraft ordnance delivery and test flights.
d. Some types of laser activity; electronic, chemical, and nuclear warfare measures; and various types of research and development efforts.Note: To ascertain if the types of activity in c and d above require SUA, contact the DARR.