Spanish original · English

Hover or tap underlined Spanish terms to see their translation and exam tip.

Una marca que tiene como marca de tope dos esferas negras superpuestas:A mark with a topmark of two black spheres one above the other:

Show the answer

Correct answer: a) Marks a danger of limited size entirely surrounded by navigable water

Why it is correct

Two black spheres mean isolated danger. It sits on a small danger with navigable water around.

IALA World Regions: Region A covers Europe (including Spain), Africa, Oceania and Asia (except Japan, South Korea and the Philippines); when entering from seaward, keep RED (can) marks to PORT and GREEN (cone) marks to STARBOARD. Region B covers the Americas (North, Central and South), Japan, South Korea and the Philippines; lateral colours are reversed (GREEN to port and RED to starboard when entering), while keeping the same shapes (can to port, cone to starboard) and identical cardinal, isolated danger, safe water and special marks.

Why the others are not

  • b) That is new danger.
  • c) That is cardinal.
  • d) That is cardinal.

How to work it out in the exam

  1. Two black balls: isolated danger.

Where this question comes from

Regulations

Try it: Buoyage pilotage

Pending instructor review. Machine translation, not reviewed.