AFMS, Garmin GNS 4XXW GPS/SBAS System 190-00356-03 Rev. DFAA APPROVED Page 3 of 19Table of ContentsSECTION PAGESection 1. GENERAL 41.1 Garmin 4XXW Series GPS/WAAS Nav Com 41.2 GPS/SBAS TSO-C146a Class 3 Operation 5Section 2. LIMITATIONS 72.1 Pilot’s Guide 72.2 Kinds of Operation 72.3 System Software 82.4 Navigation database 82.5 Flight Planning 92.6 Approaches 102.7 Autopilot Coupling 112.8 Terrain Proximity Function 112.9 VNAV – Vertical Navigation Calculation Page 122.10 Weather Display (Optional) 122.11 Traffic Display (Optional) 122.12 Manual GTN Crossfill 12Section 3. EMERGENCY PROCEDURES 133.1 Emergency Procedures 133.2 Abnormal Procedures 13Section 4. NORMAL PROCEDURES 154.1 Unit Power On 154.2 Before Takeoff 154.3 HSI and EHSI Operation 164.4 Autopilot Operation 164.5 Coupling the Autopilot during approaches 174.6 Traffic Mode Selection (Optional) 18Section 5. PERFORMANCE 18Section 6. WEIGHT AND BALANCE 18Section 7. SYSTEM DESCRIPTIONS 197.1 Pilot’s Guide 197.2 Manual GTN Crossfill 19