visual signal

beyond visual range / beyond-visual-range (BVR)

visual сontrol signal

Signal Kit / MK-79 (illumination signal kit)

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

visual check

abbreviated visual approach

abbreviated visual approach slope indicator system (avasis)

runway visual range (RVR)

visual alarm

visual approach

visual approach chart