Singapore legislation
Regulation 30
of Public Utilities (Reservoirs, Catchment Areas and Waterway) Regulations 2006
Regulation 30
Steering rules
Subregulation 1
Where 2 sailing vessels are approaching one another, so as to involve risk of collision ––
when each vessel has the wind on a different side, the vessel which has the wind on the port side shall keep out of the way of the other vessel;
when both vessels have the wind on the same side, the vessel which is to windward shall keep out of the way of the vessel that is to leeward; and
when a vessel with the wind on the port side has a vessel to windward and cannot determine with certainty whether that other vessel has the wind on the port side or starboard side, the first-mentioned vessel shall keep out of the way of the other vessel.
Subregulation 2
For the purposes of paragraph (1), the side opposite the side on which the mainsail is carried shall be regarded as the windward side.
Subregulation 3
Where 2 power-driven vessels are meeting on reciprocal or nearly reciprocal courses, so as to involve risk of collision, each vessel shall alter her course to starboard so that each vessel shall pass on the port side of the other vessel.
Subregulation 4
Where 2 power-driven vessels are crossing, so as to involve risk of collision, the vessel that has the other vessel on its own starboard side shall keep out of the way of that other vessel.
Subregulation 5
Where a power-driven vessel and a sailing vessel are approaching one another, so as to involve risk of collision, the power-driven vessel shall keep out of the way of the sailing vessel.
Subregulation 6
Where a vessel propelled by oars and a sailing vessel are approaching one another, so as to involve risk of collision, the vessel propelled by oars shall keep out of the way of the sailing vessel.
Subregulation 7
Where a power-driven vessel and a vessel propelled by oars are approaching one another, so as to involve risk of collision, the power-driven vessel shall keep out of the way of the vessel propelled by oars.
Subregulation 8
Any vessel proceeding along the course of a narrow channel or fairway shall keep as near to the starboard side of the channel as is safe and practicable.