1) When she is the overtaking vessel
2) When the other vessel is a Fishing Vessel or Restricted in her Ability to Manoeuvre (RAM) or Not Under Command (NUC).
3) A Sailing Vessel should not impede a Vessel Constrained by Draught (CBD).
A vessel under 20 meters may not impede any vessel which only navigate within a narrow channel or fairway.
Please see the link provided below.
Unless the sailboat is overtaking a power-driven vessel, the powerboat is the give-way vessel.
the power driven vessel needs to give-way for sailing ships.
Whenever a danger of collision exists.
Whenever a danger of collision exists.
Whenever a danger of collision exists.
Whenever a danger of collision exists.
Whenever a danger of collision exists.
A PWC is a Power Driven Vessel so she must give way.
When a sailboat overtakes a powerboat, the sailboat is the give-way vessel, and the powerboat is the stand-on vessel. According to the International Regulations for Preventing Collisions at Sea (COLREGs), the overtaking vessel must keep clear of the vessel being overtaken. Therefore, the powerboat has the right of way in this situation.
the PWC
If a powerboat is about to cross paths with a sailboat under sail give way, the sail boat is the stand-on vessel, therefore you are the give-way vessel and need to move accordingly.
Contrary to popular belief the power driven vessel is not always the give way vessel, a great deal depends on the circumstances.