Chapter 8. NAS En Route Automation ▶ Section 1. General 8-1-1. TRANSITION PROCEDURES 8-1-2. ALTRV FLIGHT DATA PROCESSING 8-1-3. COMPUTER DATA RETENTION 8-1-4. FLIGHT PLAN DROP INTERVAL ▶ Section 2. Procedures 8-2-1. THREE MILE OPERATIONS 8-2-2. ADAPTED ALTIMETER SETTINGS 8-2-3. ADAPTATION OF EXTERNAL ALTIMETER SETTINGS 8-2-4. CONFLICT ALERT FUNCTION PARAMETERS 8-2-5. MODE C INTRUDER (MCI) ALERT PARAMETERS 8-2-6. E-MSAW ADAPTATION 8-2-7. INTERIM ALTITUDE FACILITY DIRECTIVE REQUIREMENTS 8-2-8. REQUIREMENTS FOR ERAM DATA BLOCK CHANGES WITHOUT COORDINATION 8-2-9. ERAM HOLD INFORMATION FACILITY DIRECTIVE REQUIREMENTS 8-2-10. ERAM SPECIAL ACTIVITY AIRSPACE (SAA) ADAPTATION 8-2-11. ERAM HOLDING PATTERN ADAPTATION 8-2-12. ERAM MASTER TOOLBAR MAP BUTTON LABEL 8-2-13. LOCAL INTERIM ALTITUDE ▶ Section 3. Displays 8-3-1. DIGITAL MAP VERIFICATION 8-3-2. DATA DISPLAY FOR BLOCK ALTITUDE FLIGHTS 8-3-3. SELECTED ALTITUDE LIMITS 8-3-4. AUTOMATED WEATHER DISPLAY STATUS