Hover or tap underlined Spanish terms to see their translation and exam tip.
Para indicar peligros aislados de dimensiones limitadas enteramente rodeados de aguas navegables, se utilizan las…To show isolated dangers of limited size, entirely surrounded by navigable water, we use...
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Correct answer: b) Isolated danger marks
Why it is correct
An isolated danger mark is placed on a danger of limited extent with navigable water all around it.
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
- a) Cardinals show which quadrant holds the safe water.
- c) Special marks do not show a navigational danger.
- d) Safe water says the opposite: no danger.
How to work it out in the exam
- The key word is isolated, and it appears in the answer.
Where this question comes from
- Región de Murcia · 2017 · 3ª convocatoria · PER Tipo 1 · question 17 Official paper · Official answer key
- Región de Murcia · 2021 · 2ª convocatoria · PER Tipo 1 · question 15 Official paper · Official answer key
- Región de Murcia · 2026 · 2ª convocatoria · PER Tipo 1 · question 15 Official paper · Official answer key
Regulations
Pending instructor review. Machine translation, not reviewed.