Bridge Navigation & Deck Operations

COLREGs - Collision Avoidance Scenarios

Test your practical knowledge of COLREG by solving real collision avoidance scenarios. Evaluate encounter situations, identify the correct Rule, and choose the safest action in accordance with the International Regulations for Preventing Collisions at Sea. Suitable for deck officers, masters, and cadets.

Questions 15

Time Limit 9 min

Language English

Sample Questions

Here are some example questions from this quiz. Download the GYRO app to take the full test.

Question 1

Rule 1(a) applies to which vessels and waters?

A All vessels upon the high seas and navigable waters connected therewith.

B Seagoing vessels navigating waters connected with the high seas.

C Only vessels in port waters.

D Only naval vessels in international waters.

Question 2

Two power-driven vessels are meeting on nearly reciprocal courses. Which Rule applies?

A Rule 14 – Head-on Situation.

B Rule 13 – Overtaking.

C Rule 15 – Crossing Situation.

D Rule 17 – Action by Stand-on Vessel.

Question 3

How many Rules are contained in Section II — Conduct of Vessels in Sight of One Another?

A 8 Rules.

B 9 Rules.

C 10 Rules.

D 12 Rules.

Question 4

What are the primary purposes of the Williamson Turn?

A Return the ship to the vicinity of a person overboard, especially in reduced visibility.

B Return the ship to its reciprocal track after an emergency turn.

C Reduce fuel consumption during course alterations.

D Increase the ship's speed when approaching a pilot station.

Question 5

When one of two vessels is required to keep out of the way, what should the other vessel generally do?

A Keep her course and speed.

B Immediately alter course to port.

C Immediately stop her engines.

D Always alter course to starboard

Take This Quiz. Download the GYRO app to take this quiz and track your progress.