Jeppesen FliteDeck 3 - Manual (Page 252)

Quick Reference Guide
255
UNL — Unlimited
U/S — Unserviceable
USAF — US Air Force
USB — Upper Sideband
USN — US Navy
UTA — Upper Control Area
UTC — Coordinated Universal Time
UWS — Urgent Weather SIGMET
V
VAR — Magnetic Variation
VAR — Volcanic Activity Reporting
VASI — Visual Approach Slope Indicator
VCOA — Visual Climb Over the Airport
VDA — Vertical Descent Angle
VDP — Visual Descent Point
VE — Visual Exempted
VFR — Visual Flight Rules
VGSI — Visual Glide Slope Indicator
VHA — Volcanic Hazard Area
VHF — Very High Frequency (30-300 MHz)
VIS — Visibility
VMC — Visual Meteorological Conditions
VNAP — Vertical Noise Abatement Procedures
VNAV — Vertical Navigation
VOLMET — Meteorological Information for Aircraft in Flight
VOR — Very High Frequency Omnidirectional Range
VORTAC — VHF Omnidirectional Range/Tactical Air Navigation
VOT — Radiated Test Signal VOR
VPA — Vertical Path Angle
VR — VFR Military Training Route
VV — Vertical Visibility
V/V — Vertical Velocity or speed