Private Pilot Flight Training and Instruction Flight Training Article Library | Back To 4VFR.COM Restricted Areas You should determine if area is "hot" or in use. Hazardous area usually due to military firing, bombs, explosive, missile activity. Clearance required. Designed to protect flying public. When not in use (active) a formal clearance must be requested and given from the controlling agency. Separation will be provided. IFR flights are automatically provided safe routing. Written by Gene Whitt Flight Training Article Library | Back To 4VFR.COM