14 - Head-on situation

Question 1

Criteria for a Head-on situation

Answer 1

• 2 PDVs
• Risk of Collision (R.O.C.)
• In-sight
• Reciprocal/nearly reciprocal course

Question 2

If a risk of collision exists in a Head-on situation…

Answer 2

Each vessel shall alter its course to STBD to pass on the port side of the other

Question 3

At night, a Head-on situation exists when…

Answer 3

She could see the masthead lights of the other in a line or nearly in a line and/or both sidelights

Question 4

If there is any doubt of a Head-on situation…

Answer 4

The vessel shall assume that it does exist and act accordingly