Civil aviation dictionary
Aviation glossary
Terms, abbreviations and procedures explained without unnecessary jargon, with English names and clear definitions.
- Total entries
- 2480
- Terms
- 435
- Abbreviations
- 2045
V
- Abbreviationvisibility decreasing rapidly
VSBYDR stands for visibility decreasing rapidly in FAA terminology.
- Abbreviationvisibility greater than 6 SM (TAF only)
P6SM stands for visibility greater than 6 SM (TAF only) in FAA terminology.
- Abbreviationvisibility increasing rapidly
VSBYIR stands for visibility increasing rapidly in FAA terminology.
- Flying skillsVISUAL APPROACH
An approach conducted on an instrument flight rules (IFR) flight plan which authorizes the pilot to proceed visually and clear of clouds to the airport.
- Abbreviationvisual approach chart
VAC stands for visual approach chart in FAA terminology.
- Abbreviationvisual approach slope indicator
VASI stands for visual approach slope indicator in FAA terminology.
- Abbreviationvisual approach slope indicator system
VASIS stands for visual approach slope indicator system in FAA terminology.
- AirportsVISUAL CLIMB OVER AIRPORT (VCOA)
A departure option for an IFR aircraft, operating in visual meteorological conditions equal to or greater than the specified visibility and ceiling, to visually conduct climbing turns over the airport to the published “climb-to” altitude from which to proceed with the instrument portion of the departure.
- Abbreviationvisual flight
VFLT stands for visual flight in FAA terminology.
- AbbreviationVisual Flight Rules
Visual flight rules, with specified weather and observation requirements.
- Abbreviationvisual glide path indicator
VSPI stands for visual glide path indicator in FAA terminology.
- AbbreviationVisual Guidance Slope Indicator
VGSI stands for Visual Guidance Slope Indicator in FAA terminology.
- AbbreviationVisual Meteorological Conditions
Weather conditions meeting the applicable visual-flight minima.
- AbbreviationVisual Weather Observation System
VWOS stands for Visual Weather Observation System in FAA terminology.
- Abbreviationvisual-aural radio range
VAR stands for visual-aural radio range in FAA terminology.
- AbbreviationVoice Frequency
VF stands for Voice Frequency in FAA terminology.
- Abbreviationvoice modulation
VM stands for voice modulation in FAA terminology.
- Abbreviationvoice operated relay
VOPR stands for voice operated relay in FAA terminology.
- AbbreviationVoice Telecommunications System
VTS stands for Voice Telecommunications System in FAA terminology.
- Abbreviationvolcanic ash
VA stands for volcanic ash in FAA terminology.
- Abbreviationvolcanic ash advisory
ASHTAM stands for volcanic ash advisory in FAA terminology.
- AbbreviationVoluntary Airport Low Emission
VALE stands for Voluntary Airport Low Emission in FAA terminology.
- AbbreviationVoluntary Airport Low Emission Program
VALE stands for Voluntary Airport Low Emission Program in FAA terminology.
- AerodynamicsVORTICES
Circular patterns of air created by the movement of an airfoil through the air when generating lift.