гранично низька видимість
marginal data/information
marginal testing
marginal aggression
marginal data
marginal information
marginal personnel
marginal terrain
marginal advances
adverse or limited visibility
conditions of reduced visibility
in-transit visibility (ITV)
limit of visibility
moderate visibility
poor visibility
total asset visibility (TAV)
visibility
zero visibility
visibility of aim
bad-visibility accident
runway visibility
visibility meter
visibility reduced conditions
aerodrome ground visibility
reduced visibility
restricted visibility
exhaust filter (reduces aicrafts’ infrared visibility)
fair visibility
flight visibility
horizontal visibility
low visibility
low visibility landing
low visibility takeoff / take-off