Chapter 2. General Control ▶ Section 1. General 2-1-1. FLIGHT SERVICE 2-1-2. DUTY PRIORITY 2-1-3. TRANSFER OF POSITION RESPONSIBILITY 2-1-4. PROCEDURAL APPLICATIONS ▶ Section 2. Interphone Communications 2-2-1. GENERAL 2-2-2. TRANSMISSION PRIORITIES 2-2-3. PRIORITY INTERRUPTION 2-2-4. MESSAGE INITIATION 2-2-5. MESSAGE TERMINATION ▶ Section 3. General Phraseology 2-3-1. PURPOSE 2-3-2. WORDS AND PHRASES 2-3-3. ICAO PHONETICS 2-3-4. NUMBER USAGE 2-3-5. EXPEDITIOUS COMPLIANCE ▶ Section 4. Weather Phraseology 2-4-1. SURFACE OBSERVATIONS 2-4-2. ANNOUNCING MISSING ITEMS 2-4-3. WEATHER REMARKS 2-4-4. WEATHER ADVISORIES 2-4-5. RADAR 2-4-6. WINDS AND TEMPERATURES ALOFT FORECAST ▶ Section 5. Aviation Phraseology 2-5-1. RELAY OF ATC COMMUNICATIONS 2-5-2. FACILITY IDENTIFICATION 2-5-3. AIRCRAFT IDENTIFICATION 2-5-4. DESCRIPTION OF AIRCRAFT TYPES 2-5-5. AIRCRAFT EQUIPMENT CODES 2-5-6. AIRWAYS AND ROUTES 2-5-7. NAVAID TERMS AND FIXES 2-5-8. RUNWAY CONDITIONS