Western Australian Current Regulations Western Australian Current Regulations The master of an oil
vessel shall, at all times that the vessel is nearing or is at a wharf,
display at the foremast head, or other conspicuous place clear of all
obstructions so as to be clearly visible from any direction at a distance of
at least one mile from the vessel —
(a) by
day, the International code flag “B”; and
(b)
during the hours of darkness a red light so positioned as to be clear of all
other lights on the vessel.