Section 4. Special Use Airspace 3-4-1. General 3-4-2. Prohibited Areas 3-4-3. Restricted Areas 3-4-4. Warning Areas 3-4-5. Military Operations Areas 3-4-6. Alert Areas . 3-4-7. Controlled Firing Areas 3-4-8. National Security Areas 3-4-9. Obtaining Special Use Airspace Status . 3-4-1 3-4-1 3-4-1 3-4-2 3-4-2 3-4-2 3-4-2 3-4-3 3-4-3 Section 5. Other Airspace Areas 3-5-1. Airport Advisory/Information Services 3-5-2. Military Training Routes . 3-5-3. Temporary Flight Restrictions . 3-5-4. Parachute Jump Aircraft Operations . 3-5-5. Published VFR Routes . 3-5-6. Terminal Radar Service Area (TRSA) 3-5-7. Special Air Traffic Rules (SATR) and Special Flight Rules Area (SFRA) . 3-5-8. Washington, DC, Special Flight Rules Area (SFRA) including the Flight Restricted Zone (FRZ) 3-5-9. Weather Reconnaissance Area (WRA) . 3-5-10. Other Non-Charted Airspace Areas 3-5-1 3-5-1 3-5-3 3-5-5 3-5-5 3-5-9 3-5-9 3-5-10 3-5-10 3-5-10 Chapter 4. Air Traffic Control Section 1. Services Available to Pilots 4-1-1. Air Route Traffic Control Centers . 4-1-2. Control Towers . 4-1-3. Flight Service Stations . 4-1-4. Recording and Monitoring 4-1-5. Communications Release of IFR Aircraft Landing at an Airport Without an Operating Control Tower 4-1-6. Pilot Visits to Air Traffic Facilities . 4-1-7. Operation Rain Check . 4-1-8. Approach Control Service for VFR Arriving Aircraft . 4-1-9. Traffic Advisory Practices at Airports Without Operating Control Towers 4-1-10. IFR Approaches/Ground Vehicle Operations . 4-1-11. Designated UNICOM/MULTICOM Frequencies . 4-1-12. Use of UNICOM for ATC Purposes . 4-1-13. Automatic Terminal Information Service (ATIS) 4-1-14. Automatic Flight Information Service (AFIS) - Alaska FSSs Only . 4-1-15. Radar Traffic Information Service 4-1-16. Safety Alert . 4-1-17. Radar Assistance to VFR Aircraft 4-1-18. Terminal Radar Services for VFR Aircraft . 4-1-19. Tower En Route Control (TEC) 4-1-20. Transponder and ADS-B Out Operation 4-1-21. Airport Reservation Operations and Special Traffic Management Programs . Table of Contents 4-1-1 4-1-1 4-1-1 4-1-1 4-1-1 4-1-1 4-1-2 4-1-2 4-1-2 4-1-7 4-1-8 4-1-9 4-1-9 4-1-10 4-1-11 4-1-13 4-1-14 4-1-15 4-1-17 4-1-18 4-1-22