засіб аварійного сповіщення
beyond visual range / beyond-visual-range (BVR)
visual warning
visual signaling device
radiation warning device
warning device
safety and arming device / safety-and-arming device
air intake device / air-intake device
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 training and judging distances
visual check
abbreviated visual approach
abbreviated visual approach slope indicator system (avasis)
runway visual range (RVR)