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 is the length of this vessel?

A The vessel is more than 50 metres in length.

B The vessel is less than 50 metres in length.

C The vessel’s length cannot be determined from these lights.

Питання 2

Based on the lights shown, from which direction is this vessel seen?

A From the port side

B From astern

C From starboard side

D From ahead

E Direction cannot be determined

Питання 3

The vessel is underway and crossing from your port side.

A True

B False

Питання 4

What is the length of this power-driven vessel?

A More than 50 m

B Less than 50 m

C Equal to 50 m

D Unknown

Питання 5

A power-driven vessel less than 50 metres, towing another vessel alongside, when seen from ahead, must display:

A Two masthead lights in a vertical line and both sidelights

B One masthead light and a towing light

C Three masthead lights in a triangle and sidelights

D Red over white all-round lights

E One all-round green light and a sternlight

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