зона візуального колового польоту / польоту по колу
circling approach area
circling approach
circling guidance light
beyond visual range / beyond-visual-range (BVR)
visual manoeuvring area
area of war/war area
potential danger area (trouble area)
hazard area / hazardous area
killing area / kill area
open area danger area
visual aids
visual communications
visual contact
visual identification
visual means
visual obscuration
visual tracking
within visual range (WVR)
antiaircraft artillery visual cueing system
visual cueing system
visual cues
visual target acquisition system
computer-generated image visual system
visual laydown (delivery)
visual hairy
visual centerer
visual communication
visual control
visual plotting instrument
visual plotting station
visual signaling device
visual training and judging distances