Hover or tap underlined Spanish terms to see their translation and exam tip.
Regla 23. ¿Qué buques están obligados a llevar dos luces de tope?Rule 23: which vessels must carry two masthead lights?
Show the answer
Correct answer: a) Power-driven vessels under way of 50 metres or more.
Why it is correct
A power vessel of 50 metres or more shows two masthead lights, the after one higher. Below that the second is optional.
Why the others are not
- b) Sail shows no masthead.
- c) Anchor lights.
- d) Two reds.
How to work it out in the exam
- Power ≥ 50 m: two masthead.
Where this question comes from
- Región de Murcia · 2023 · 2ª convocatoria · PER Tipo 1 · question 24 Official paper · Official answer key
Regulations
- IMO: Convention on the International Regulations for Preventing Collisions at Sea, 1972 (COLREGs) · Rule 23
- RIPA, consolidated text (BOE) · Rule 23
Pending instructor review. Machine translation, not reviewed.