Chapter 5  Chapter 7  Appendix B  Glossary  viii  • Updated “Airport/Facility Directory (A/FD).”  • Added “Chart Supplement (CS or d-CS for digital Chart Supplement).”  • Added “Closely Spaced Dependent Approaches.”  • Added “EFVS operation.”  • Added “Enhanced Flight Vision System (EFVS).”  • Updated “Positive Course Guidance (PCG).”  • Updated “Standard Terminal Arrival (STAR).”  • Updated “Positive Course Guidance (PCG).”  • Added “SVGS – Synthetic Vision Guidance System.”  • Added “CS—Chart Supplement” and “D-CS—Digital Chart Supplement.” and,  • Updated “A/FD—Airport/Facility Directory section of the Chart Supplement (CS).”  • Updated “AFMS—Aircraft Flight Manual Supplements.”  • Reworded paragraph “Approach to a Specific VFR Heliport” indicating that some of the requirements stated in the  first sub-paragraph apply only to public procedures.  • Updated paragraph “Approach to a PinS” regarding proceeding VFR in uncontrolled airspace. Deleted figure 7-14  and references to the figure are deleted; information is already covered elsewhere in the paragraph.  • Updated figure 7-7 regarding the visibility for “Class G 1200 feet or less above the surface” changing from “none” to  “½ SM.”  • Clarified in paragraph “Helicopter IFR Takeoff Minimums” regarding takeoff minimums and acceleration to minimum  speed.  • Updated various paragraphs by changing “Helicopter Emergency Medical Service (HEMS)” to “Helicopter Air  Ambulance (HAA).”  • Changed paragraph “Developing Combined Technology” to “Combined Vision System Technology” and discusses the  concept of equivalent visual operations (EVO) where flight operations continue irrespective of the actual weather  conditions.  • Updated references in paragraph, “Enhanced Flight Vision System (EFVS)” to include AC 90 106, Enhanced Flight  Vision Systems.  • Added a new paragraph, “Synthetic Vision Guidance System (SVGS).”  • Updated description of ADS-B.  • Updated paragraph “NextGen Existing Improvements” information about ADS-B.  • Updated paragraph “Next Generation Air Transportation (NextGen) System” information about automatic dependent  surveillance-broadcast (ADS-B). 