12/31/20 AIM W W VFR Flyways, 3 − 5 − 5 VFR Military Training Routes, 3 − 5 − 1 VFR Transition Routes, 3 − 5 − 7 VFR − on − Top, 5 − 5 − 6 VHF Omni − directional Range, 1 − 1 − 1 Minimum Operational Network (MON), 1 − 1 − 2 VHF Omni − directional Range/Tactical Air Navigation, 1 − 1 − 5 Visual Approach, 5 − 4 − 62, 5 − 5 − 5 Clearing Procedures, 4 − 4 − 11 Glideslope Indicators, 2 − 1 − 1 Separation, 4 − 4 − 10, 5 − 5 − 6 Visual Approach Slope Indicator, 2 − 1 − 1 Visual Climb Over Airport, 5 − 2 − 8 Visual Descent Point, 5 − 4 − 19 Visual Meteorological Conditions (VMC), 5 − 2 − 6 VNAV.  See  Vertical Navigation VOCA.  See  Visual Climb Over Airport Void Times, Clearance, 5 − 2 − 4 Volcanic, Ash, 7 − 6 − 7 Volcanic Activity Reporting, Forms.  See  Appendix 2 VOR See also  VHF Omni − directional Range Receiver Check, 1 − 1 − 3 VOR Receiver Checkpoint Markings, 2 − 3 − 16 VORTAC.  See  VHF Omni − directional Range/Tactical Air Navigation VR.  See  VFR Military Training Routes Waivers, 4 − 1 − 19 Wake, Turbulence, 7 − 4 − 1 Warning Areas, 3 − 4 − 2 Weather, ICAO, Weather Formats, 7 − 1 − 61 Weather Reconnaissance Area (WRA), 3 − 5 − 9 Weather System Processor (WSP), 4 − 1 − 19, 4 − 3 − 13, 7 − 1 − 51 WSP.  See  Weather System Processor Remote Airport Advisory (RAA), 3 − 5 − 1 Volcanic Activity Reporting, Forms.  See  Appendix 2 VOR See also  VHF Omni − directional Range Receiver Check, 1 − 1 − 3 VOR Receiver Checkpoint Markings, 2 − 3 − 16 VORTAC.  See  VHF Omni − directional Range/Tactical Air Navigation VR.  See  VFR Military Training Routes Waivers, 4 − 1 − 19 Wake, Turbulence, 7 − 4 − 1 Warning Areas, 3 − 4 − 2 Weather, ICAO, Weather Formats, 7 − 1 − 61 Weather Reconnaissance Area (WRA), 3 − 5 − 9 Weather System Processor (WSP), 4 − 1 − 19, 4 − 3 − 13, 7 − 1 − 51 WSP.  See  Weather System Processor Index I − 12