12/31/20 AIM Section 7. Operational Policy/Procedures for the Gulf of Mexico 50 NM Lateral Separation Initiative Chapter 5. Air Traffic Procedures Section 1. Preflight Section 2. Departure Procedures Section 3. En Route Procedures 5-3-1. ARTCC Communications 5-3-1 ............................................ 5-3-2. Position Reporting 5-3-14 .................................................. 5-3-3. Additional Reports 5-3-15 .................................................. 5-2-1. Pre‐taxi Clearance Procedures 5-2-1 ......................................... 5-2-2. Automated Pre-Departure Clearance Procedures 5-2-1 ........................ 5-2-3. IFR Clearances Off Uncontrolled Airports 5-2-2 .............................. 5-2-4. Taxi Clearance 5-2-2 ...................................................... 5-2-5. Line Up and Wait (LUAW) 5-2-2 ........................................... 5-2-6. Abbreviated IFR Departure Clearance (Cleared. . .as Filed) Procedures 5-2-3 ..... 5-2-7. Departure Restrictions, Clearance Void Times, Hold for Release, and Release Times 5-2-4 ............................................................. 5-2-8. Departure Control 5-2-5 .................................................. 5-2-9. Instrument Departure Procedures (DP) - Obstacle Departure Procedures (ODP), Standard Instrument Departures (SID), and Diverse Vector Areas  (DVA) 5-2-6 ............................................................ 5-1-1. Preflight Preparation 5-1-1 ................................................ 5-1-2. Follow IFR Procedures Even When Operating VFR 5-1-2 ...................... 5-1-3. Notice to Airmen (NOTAM) System 5-1-2 ................................... 5-1-4. Flight Plan - VFR Flights 5-1-8 ............................................ 5-1-5. Operational Information System (OIS) 5-1-11 ................................. 5-1-6. Flight Plan- Defense VFR (DVFR) Flights 5-1-11 ............................. 5-1-7. Composite Flight Plan (VFR/IFR Flights) 5-1-12 ............................... 5-1-8. Flight Plan (FAA Form 7233-1)- Domestic IFR Flights 5-1-12 .................. 5-1-9. International Flight Plan (FAA Form 7233-4)- IFR Flights (For Domestic or  International Flights) 5-1-18 ................................................ 5-1-10. IFR Operations to High Altitude Destinations 5-1-28 .......................... 5-1-11. Flights Outside U.S. Territorial Airspace 5-1-29 ............................... 5-1-12. Change in Flight Plan 5-1-30 ............................................... 5-1-13. Change in Proposed Departure Time 5-1-30 .................................. 5-1-14. Closing VFR/DVFR Flight Plans 5-1-30 ..................................... 5-1-15. Canceling IFR Flight Plan 5-1-30 ........................................... 5-1-16. RNAV and RNP Operations 5-1-31 ......................................... 5-1-17. Cold Temperature Operations 5-1-32 ........................................ Paragraph Page 4-7-1. Introduction and General Policies 4-7-1 ..................................... 4-7-2. Accommodating Non-RNP 10 Aircraft 4-7-1 ................................. 4-7-3. Obtaining RNP 10 or RNP 4 Operational Authorization 4-7-1 ................... 4-7-4. Authority for Operations with a Single Long-Range Navigation System 4-7-2 ..... 4-7-5. Flight Plan Requirements 4-7-2 ............................................. 4-7-6. Contingency Procedures 4-7-2 .............................................. Table of Contents vi