Hover or tap underlined Spanish terms to see their translation and exam tip.
Una marca emite una luz blanca durante dos segundos, está apagada durante dos segundos, y así sucesivamente de forma ininterrumpida. Se trata de una marca:A mark shows a white light for two seconds, dark for two seconds, and so on without a break. It is:
Show the answer
Correct answer: c) A safe water mark.
Why it is correct
Equal light and dark is isophase. White isophase is safe water.
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) Continuous quick.
- b) Two flashes.
- d) Yellow.
How to work it out in the exam
- White isophase: safe water.
Where this question comes from
- Junta de Andalucía · 2020 · Convocatoria de e · PER Modelo A · question 17 Official paper · Official answer key
- Junta de Andalucía · 2020 · Convocatoria de e · PER Modelo B · question 16 Official paper · Official answer key
Regulations
Pending instructor review. Machine translation, not reviewed.