Hover or tap underlined Spanish terms to see their translation and exam tip.
De acuerdo con la Regla 21, “Definiciones”, de la Parte C “Luces y marcas” del RIPA, la «luz centelleante» es una luz que produce centelleos:Under Rule 21, definitions, a “flashing light” flashes:
Show the answer
Correct answer: a) At 120 or more flashes per minute, at regular intervals.
Why it is correct
The rules define a flashing light by frequency: 120 or more per minute, regular. That sets it apart.
Why the others are not
- b) It is faster.
- c) Not the definition.
- d) It is regular.
How to work it out in the exam
- Flashing: 120 or more a minute.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2025 · Convocatoria de abril · PER Test 2 · question 21 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2025 · Convocatoria de abril · PER Test 4 · question 26 Official paper · Official answer key
Regulations
- IMO: Convention on the International Regulations for Preventing Collisions at Sea, 1972 (COLREGs) · Rule 21
- RIPA, consolidated text (BOE) · Rule 21
Pending instructor review. Machine translation, not reviewed.