наочні посібники
beyond visual range / beyond-visual-range (BVR)
aids
communication and navigation aids (COMNAV)
navigation aids (NAVAIDS)
technical training aids
training aids
training aids, device simulations and simulators (TADSS)
aids to shooting
navigation aids deployment group
aircraft integrated data system (AIDS)
no aids used approach
aids to navigation (ATON)
electronic aids to navigation
electronic navigation aids
radio aids
shortrange aids
U.S. Aids to Navigation System
aids to navigation
radio navigational 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)