Chapter 15. Class B Airspace ▶ Section 1. General 15-1-1. PURPOSE 15-1-2. NONRULEMAKING ALTERNATIVES 15-1-3. RESPONSIBILITIES 15-1-4. SERVICE CENTER EVALUATION ▶ Section 2. Class B Airspace Planning 15-2-1. CRITERIA 15-2-2. DESIGNATION 15-2-3. CONFIGURATION 15-2-4. IFR TRANSITION ROUTES 15-2-5. VFR CONSIDERATIONS 15-2-6. CHART ENHANCEMENTS ▶ Section 3. Class B Airspace Processing 15-3-1. OVERVIEW 15-3-2. STAFF STUDY 15-3-3. PRE-NPRM AIRSPACE USER COORDINATION 15-3-4. NPRM PHASE 15-3-5. POST-NPRM PROCESSING 15-3-6. REVOKING CLASS B AIRSPACE