Aviation Abbreviations Glossary

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Term Definition
VAC
Voltage Alternating Current
VA
Design Maneuvering Speed
VA
Heading with an Altitude Termination
V3 V4
Flap Retraction Speed Slat Retraction Speed
V2min
Critical Engine Failure Speed Decision Speed
V/S V1 V1 V2
Vertical Speed
V/L
VOR/LOC
V/L
VOR/Localizer
V&V
Verification & Validation
V
Violet
V
Volt; Voltage
V
Valve
UWY
Upper Airway
UWBS
Universal Wireless Backbone System
UVEROM
Ultra Violet Erasable Read Only Memory
UV
Under Voltage
UV
Ultra-Violet
UUT
Unit Under Test
UTC
Universal Time Coordinated
UTA
Upper Control Area
USB
Universal Serial Bus
USB
Upper Side Band
US
United States
US
Under Speed
US
Upstream