Bridge Navigation & Deck Operations

COLREG – Lights & Shapes Identification

This test focuses on COLREG requirements regarding navigation lights and day shapes. It assesses your ability to identify vessel types, status, and movements based on visual signals. The questions are designed to reinforce knowledge of lights and shapes essential for safe watchkeeping at sea.

Питань 18

Час 9 min

Мова Англійська

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Питання 1

What does the International Code of Signals flag “Q” (Quebec) mean when displayed alone?

A "My ship is quarantined."

B "My vessel is healthy, and I request free pratique."

C "I am taking in or discharging dangerous goods."

D "I am disabled; communicate with me."

Питання 2

What do these lights indicate?

A A towing vessel less than 50 metres in length.

B Tow length less than 200 metres.

C Restricted in ability to deviate from her course.

D A vessel not under command.

E A vessel engaged in diving operations.

F A sailing vessel under way.

Питання 3

What direction is the vessel moving?

A To starboard.

B To port.

C Directly toward us.

D Away from us.

Питання 4

What does the International Code of Signals flag “J” (Juliet) mean when displayed alone?

A "I am altering my course to port."

B "I require assistance."

C "I am on fire and have dangerous cargo on board; keep well clear of me."

D "My vessel is stopped and making no way through the water."

Питання 5

Select the correct answer:

A Power-driven vessel, longer than 50 meters, underway.

B Power-driven vessel, less than 50 meters long, underway.

C Hovercraft underway, in non-displacement mode.

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