Rule 12
Sailing vessels
Q = Question; A= Answer
Which factors shall sailing vessels take into account in case there is risk of collision ?
A 12-1
Rule 12 (a) and Par. 12.1, General.
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Q 12-2
Define the point of sailing of a sailing vessel.
A 12-2 Par. 12.2, Point of sailing of the vessel.
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Q 12-3
Define the “port tack” of a sailing vessel.
A 12-3
Par. 12.2, Point of sailing of the vessel.
Q 12-4
Define the “starboard tack” of a sailing vessel.
A 12-4
Par. 12.2, Point of sailing of the vessel.
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Q 12-5
How can a sailing vessel be sailing with regard to the direction of the wind ?
A 12-5
Par. 12.2, Point of sailing of the vessel, Note.
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Q 12-6
Define the windward and leeward side of a sailing vessel.
A 16-6
Rule 12 (b) and Par. 12.3, The windward and leeward side of the sailing vessel.
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Q 12-7
Define the windward and leeward sailing vessel.
A 12-7
Par. 12.4, The windward and leeward sailing vessel.
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Q 12.8
When two sailing vessels each have the wind on a different side and there is risk of collision, which sailing vessel must keep out of the way ? How is this rule commonly called ?
A 12-8
Rule 12 (a) (i) and Par. 12.4.1, The port and starboard tack rule.
Click on wind on a different side for a summary
Click on port and starboard tack rule for an animation
Q 12-9
When two sailing vessels each have the wind on the same side and there is risk of collision, which sailing vessel must keep out of the way? How is that rule commonly called ?
A 12-9
Rule 12 (a) (ii) and Par. 12.4.2, The windward and leeward rule.
Click on wind on the same side for a summary
Click on windward and leeward rule for an animation
Q 12-10
How must a sailing vessel with the wind on the port side act when there is risk of collision with another sailing vessel and the tack of that vessel cannot be determined with certainty ?
A 12-10
Rule 12 (a) (iii) and Par. 12.4.3, The port tack rule for doubtful cases.
Q 12-11
Summarize the main rules a sailing vessel has to comply with not to impede another vessel or to avoid risk of collision.
A 12-11
After typical case 6.
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