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visual-approach slope indicator
avia. indicador visual de gradiente de aproximación; indicador visual de pendiente de aproximación
visual approach slope indicator
commun., el. indicador de ángulo de aproximación
light. luces de pendiente de aproximación
 English thesaurus
visual approach slope indicator
avia., Canada A visual glide slope indicator VGSI consisting of four light units normally situated on the left side of the runway in the form of two wing bars, referred to as the upwind and downwind wing bars, and indicating that the aircraft is on slope if the upwind bar shows red and the downwind bar shows white, too high if both bars show white, and too low if both bars show red. (VGSI)
Visual Approach Slope Indicator
abbr., scottish VASI
visual-approach slope indicator
: 7 phrases in 3 subjects
Aviation1
Technology3
Transport3