Chapter 3. Emergency Services ▶ Section 1. General 3-1-1. EMERGENCY DETERMINATION 3-1-2. OBTAINING INFORMATION 3-1-3. PROVIDING ASSISTANCE 3-1-4. RESPONSIBILITY 3-1-5. COORDINATION 3-1-6. RECORDING INFORMATION ▶ Section 2. Emergency Assistance 3-2-1. INFORMATION REQUIREMENTS 3-2-2. FREQUENCY CHANGES 3-2-3. ALTITUDE CHANGE FOR IMPROVED RECEPTION 3-2-4. VFR AIRCRAFT IN WEATHER DIFFICULTY 3-2-5. ELT SIGNALS 3-2-6. AIRCRAFT BOMB THREATS 3-2-7. EXPLOSIVE CARGO 3-2-8. EXPLOSIVE DETECTION K-9 TEAMS 3-2-9. IN-FLIGHT EQUIPMENT MALFUNCTIONS 3-2-10. MINIMUM FUEL 3-2-11. EMERGENCY SECURITY CONTROL OF AIR TRAFFIC (ESCAT) 3-2-12. SUSPICIOUS UNMANNED AIRCRAFT ACTIVITY ▶ Section 3. Aircraft Orientation 3-3-1. ACTIONS REQUIRED 3-3-2. SAFE ALTITUDES FOR ORIENTATIONS 3-3-3. GENERAL 3-3-4. AUTOMATIC DIRECTION FINDER 3-3-5. VOR CROSS-FIX 3-3-6. GLOBAL POSITIONING SYSTEM (GPS) 3-3-7. GUIDANCE TO AIRPORT ▶ Section 4. Overdue Aircraft 3-4-1. RESPONSIBILITY 3-4-2. OVERDUE AIRCRAFT ON A FLIGHT PLAN 3-4-3. OVERDUE AIRCRAFT NOT ON A FLIGHT PLAN 3-4-4. COMMUNICATIONS SEARCH 3-4-5. QALQ 3-4-6. ACTION BY DEPARTURE STATION ON RECEIPT OF QALQ 3-4-7. CANCELLATION OF THE QALQ 3-4-8. INREQ 3-4-9. ACTION UPON RECEIPT OF INREQ 3-4-10. CANCELLATION OF INREQ 3-4-11. ALNOT 3-4-12. ACTION UPON RECEIPT OF ALNOT 3-4-13. REPORTING ALNOT STATUS TO RCC 3-4-14. CANCELLATION OF ALNOT ▶ Section 5. International SAR 3-5-1. ALERTING SERVICE 3-5-2. ALERTING PHASES 3-5-3. ALERTING MESSAGE CONTENTS 3-5-4. CANADIAN TRANSBORDER FLIGHTS 3-5-5. MEXICAN TRANSBORDER FLIGHTS