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Bridge Visibility of Ship
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Length between perpendicular
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Lbp
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m
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Obstacle X coordinate from
midship
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Xt
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m
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df
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m
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Height of forecastle from
baseline
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Df
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m
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Maximum Obscured view of the
sea surface from the conning position
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Lv max
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m
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Conning point Z coordinate
from baseline
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He
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m
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Obstacle max Z coordinate
from baseline
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Ht
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m
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q
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mean draft
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m
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trim (aft)
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m
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trim/ Lbp
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y
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Degree
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f
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Degree
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ye
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m
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yt
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m
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Lv
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m
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criterion
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