The sailing vessel which has the wind on the port side shall keep out of the way of the other.

An air-cushion vessel; ahead.

A vessel not under command; a vessel restricted in her ability to manoeuvre; a vessel constrained by her draught; a sailing vessel; a vessel engaged in fishing and a vessel engaged in towing or pushing another vessel in restricted visibility.

Any type of fishing vessel.

Tug & tow; less than 50 metres; pushing ahead one vessel.

Vessel engaged on PILOTAGE duty; no specified length; astern.

Sailing vessel or vessel under oars underway bow view. Vessel being towed bow view.

Tug & tow; restricted in her ability to manoeuvre; astern > 200 metres in length.

Two vessels: left - "I am operating astern propulsion"; right - any type of fishing vessel.

Vessel engaged in dredging or underwater operations; 50 metres or more; restricted in her ability to manoeuvre; starboard side on which may pass.

A vessel is in distress and requires assistance.

Both sailing vessels have the wind on the same side; the vessel which is to windward shall keep out of the way of the vessel which is to leeward.

Sailing vessel under oars; underway. Vessel or object being towed; port side view.

Two vessels: left - "I am altering my course to port".

Vessel engaged in mine clearance; less than 50 metres; starboard side; dangerous to approach within 1000 metres.

Vessel engaged on PILOTAGE duty; no specified length; ahead.

Two vessels: left - vessel engaged in mine clearance; right - any type of fishing vessel; shall keep out of the way.

Trawler; less than 50 metres; nets fast upon on obstruction; ahead.

Restricted in her ability to manoeuvre; astern.