Using the System 12-1 IFR Flight Plan 12-1 Clearances 12-2 Departure Procedures 12-3 Enroute Procedures 12-4 Arrival Procedures 12-5 Time Factors. 12-6 Missed Approaches 12-7 Landing 12-7 Canceling IFR Flight Plan 12-7 Emergencies 12-7