Hover or tap underlined Spanish terms to see their translation and exam tip.
Una marca que emite una luz blanca cuyo ritmo consiste en un destello largo cada 10 segundos es una marca:A mark showing a white light with one long flash every 10 seconds is a mark:
Show the answer
Correct answer: d) Safe water
Why it is correct
One long flash every 10 seconds is one of the safe water rhythms.
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) A special mark’s light is yellow.
- b) A north cardinal flashes quickly without stopping.
- c) A south cardinal gives six quick flashes before the long flash.
How to work it out in the exam
- Long flash alone: safe water. After six quick flashes: south cardinal.
Where this question comes from
- Junta de Andalucía · 2025 · 1ª convocatoria · PER Modelo A · question 14 Official paper · Official answer key
- Junta de Andalucía · 2025 · 1ª convocatoria · PER Modelo B · question 17 Official paper · Official answer key
Regulations
Pending instructor review. Machine translation, not reviewed.