Chapter 4. IFR

1. Section 1. NAVAID Use Limitations
   • 4-1-1. ALTITUDE AND DISTANCE LIMITATIONS
   • 4-1-2. EXCEPTIONS
   • 4-1-3. CROSSING ALTITUDE
   • 4-1-4. VFR‐ON‐TOP
   • 4-1-5. FIX USE
2. Section 2. Clearances
   • 4-2-1. CLEARANCE ITEMS
   • 4-2-2. CLEARANCE PREFIX
   • 4-2-3. DELIVERY INSTRUCTIONS
   • 4-2-4. CLEARANCE RELAY
   • 4-2-5. ROUTE OR ALTITUDE AMENDMENTS
   • 4-2-6. THROUGH CLEARANCES
   • 4-2-7. ALTRV CLEARANCE
   • 4-2-8. IFR-VFR AND VFR-IFR FLIGHTS
   • 4-2-9. CLEARANCE ITEMS
   • 4-2-10. CANCELLATION OF IFR FLIGHT PLAN
3. Section 3. Departure Procedures
   • 4-3-1. DEPARTURE TERMINOLOGY
   • 4-3-2. DEPARTURE CLEARANCES
   • 4-3-3. ABBREVIATED DEPARTURE CLEARANCE
   • 4-3-4. DEPARTURE RELEASE, HOLD FOR RELEASE, RELEASE TIMES, DEPARTURE RESTRICTIONS, AND CLEARANCE VOID TIMES
   • 4-3-5. GROUND STOP
   • 4-3-6. DELAY SEQUENCING
   • 4-3-7. FORWARD DEPARTURE DELAY INFORMATION
   • 4-3-8. COORDINATION WITH RECEIVING FACILITY
   • 4-3-9. VFR RELEASE OF IFR DEPARTURE
   • 4-3-10. FORWARDING DEPARTURE TIMES
4. Section 4. Route Assignment
   • 4-4-1. ROUTE USE
   • 4-4-2. ROUTE STRUCTURE TRANSITIONS
   • 4-4-3. DEGREE-DISTANCE ROUTE DEFINITION FOR MILITARY OPERATIONS
   • 4-4-4. ALTERNATIVE ROUTES
   • 4-4-5. CLASS G AIRSPACE
   • 4-4-6. DIRECT CLEARANCES
5. Section 5. Altitude Assignment and Verification
   • 4-5-1. VERTICAL SEPARATION MINIMA
   • 4-5-2. FLIGHT DIRECTION
   • 4-5-3. EXCEPTIONS
   • 4-5-4. LOWEST USABLE FLIGHT LEVEL
   • 4-5-5. ADJUSTED MINIMUM FLIGHT LEVEL
   • 4-5-6. MINIMUM EN ROUTE ALTITUDES (MEA)
   • 4-5-7. ALTITUDE INFORMATION
   • 4-5-8. ANTICIPATED ALTITUDE CHANGES
   • 4-5-9. ALTITUDE CONFIRMATION- NONRADAR
6. Section 6. Holding Aircraft
   • 4-6-1. CLEARANCE TO HOLDING FIX
   • 4-6-2. CLEARANCE BEYOND FIX
   • 4-6-3. DELAYS
   • 4-6-4. HOLDING INSTRUCTIONS
   • 4-6-5. VISUAL HOLDING POINTS
   • 4-6-6. HOLDING FLIGHT PATH DEVIATION
   • 4-6-7. UNMONITORED NAVAIDs
   • 4-6-8. ILS PROTECTION/CRITICAL AREAS
7. Section 7. Arrival Procedures
   • 4-7-1. CLEARANCE INFORMATION
   • 4-7-2. ADVANCE DESCENT CLEARANCE
   • 4-7-3. SINGLE FREQUENCY APPROACHES (SFA)
   • 4-7-4. RADIO FREQUENCY AND RADAR BEACON CHANGES FOR MILITARY AIRCRAFT
   • 4-7-5. MILITARY TURBOJET EN ROUTE DESCENT
   • 4-7-6. ARRIVAL INFORMATION
   • 4-7-7. WEATHER INFORMATION
   • 4-7-8. BELOW MINIMA REPORT BY PILOT
   • 4-7-9. TRANSFER OF JURISDICTION
   • 4-7-10. APPROACH INFORMATION
   • 4-7-11. ARRIVAL INFORMATION BY APPROACH CONTROL FACILITIES
   • 4-7-12. AIRPORT CONDITIONS
   • 4-7-13. SWITCHING ILS RUNWAYS
8. Section 8. Approach Clearance Procedures
   • 4-8-1. APPROACH CLEARANCE
   • 4-8-2. APPROACH CLEARANCE TO UNCONTROLLED AIRPORTS
   • 4-8-3. RELAYED APPROACH CLEARANCE
   • 4-8-4. ALTITUDE ASSIGNMENT FOR MILITARY HIGH ALTITUDE INSTRUMENT APPROACHES
   • 4-8-5. SPECIFYING ALTITUDE
   • 4-8-6. CIRCLING APPROACH
   • 4-8-7. SIDE-STEP MANEUVER
   • 4-8-8. COMMUNICATIONS RELEASE
   • 4-8-9. MISSED APPROACH
   • 4-8-10. APPROACH INFORMATION
   • 4-8-11. PRACTICE INSTRUMENT APPROACHES
   • 4-8-12. LOW APPROACH AND TOUCH‐AND‐GO