When the motorized vessel is a commercial vessel or when the motorized vessel has another vessel or person in tow.
mooring buoy?
There are general rules for which vessel should give way but circumstances dictate which vessel does give way and which one stands on.For instance, there are many occasions when a sailing vessel not only should but must give way to a power driven vessel. A few examples are as follows.If the power driven vessel is:Engaged in fishingEngaged in diving operationsNot under commandHas restricted manouverability due to its draught.Has right of way.See the link below for Rules for Preventing Collisions at Sea for a more comprehensive collection.
the power driven vessel needs to give-way for sailing ships.
A power driven vessel is often understood to be a mechanically driven boat. Human power as in rowing or wind driven power is not usually considered power driven.
A power driven vessel is often understood to be a mechanically driven boat. Human power as in rowing or wind driven power is not usually considered power driven.
when the power-driven vessel is towing another boat and has difficulty maneuvering
The power-driven vessel should change course and speed.
Steer into the wind.
When the auxiliary engine is not running or is being assisted by sail power
Keep clear... The power driven vessel should, if possible, maintain course and speed. The only rule for overtaking is that you keep your distance while overtaking
A sailboat under sale usually has the right of way over a power driven vessel. The exception is when the powered fishing boat or large commercial vessel is in a restricted channel area. In this instance, the sailboat would need to yield.
No, there are a several rules about where and how a power driven vessel is deemed to be either the give way or stand on vessel. A link is provided below for both International and Inland Rules. Please refer to Rules !3, 16,17 & 18.