Hover or tap underlined Spanish terms to see their translation and exam tip.
Si navegando de noche, avistamos una luz de color blanco en grupos de 2 destellos tras 1 periodo de oscuridad, nos encontramos frente a una Marca de:At night we sight a white light in groups of 2 flashes after a dark period. We are facing a mark of:
Show the answer
Correct answer: a) Isolated danger.
Why it is correct
Groups of two white flashes is isolated danger. Safe water is isophase, occulting or Mo(A).
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) (2+1).
- c) Another rhythm.
- d) Another rhythm.
How to work it out in the exam
- Fl(2): isolated danger.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2025 · Convocatoria de noviembre · PER Test 2 · question 13 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2025 · Convocatoria de noviembre · PER Test 4 · question 14 Official paper · Official answer key
Regulations
Pending instructor review. Machine translation, not reviewed.