VTS Core Nautical Knowledge 3

Question 1

In IALA buoyage System B (used in the Americas), what color is the starboard-hand buoy when entering from seaward?

Accepted Answer

Red

Answer

In IALA System B, red buoys mark the starboard side when entering from seaward, following the 'red right returning' mnemonic.

Question 2

What is 'squat' in the context of vessel navigation?

Accepted Answer

The increase in a vessel's draft caused by its forward motion through water

Answer

Squat is the hydrodynamic phenomenon where a moving vessel sinks deeper in the water, increasing its draft, especially pronounced in shallow or restricted waters.

Question 3

What does the term 'LOA' mean when referring to vessel dimensions?

Accepted Answer

Length Overall

Answer

LOA stands for Length Overall, which is the maximum length of a vessel measured from the foremost to the aftermost point of the hull.

Question 4

A vessel displaying a black ball forward during daylight hours is indicating what?

Accepted Answer

The vessel is at anchor

Answer

A single black ball displayed forward is the day shape for a vessel at anchor, as required by COLREGS Rule 30.

Question 5

In VTS, what is a 'mandatory reporting point'?

Accepted Answer

A specific geographic position where vessels must report to VTS

Answer

A mandatory reporting point is a designated geographic position, often marked on charts, where vessels are required to call VTS and report their position and intentions.

(VTS) Vessel Traffic Services Operator Exam Practice Test

(VTS) Vessel Traffic Services Operator Exam Practice Test

VTS Core Nautical Knowledge 3