Hover or tap underlined Spanish terms to see their translation and exam tip.
De acuerdo con lo indicado en la Regla 18 del RIPA, “Obligaciones entre categorías de buques”, qué buques/naves NO estarán obligados a evitar, si las circunstancias lo permiten, estorbar el tránsito seguro de un buque restringido por su calado:Under Rule 18, which vessels are NOT required, if circumstances allow, to avoid impeding the safe passage of a vessel constrained by her draught?
Show the answer
Correct answer: c) Vessels restricted in their ability to manoeuvre.
Why it is correct
Vessels not under command and those restricted in their ability to manoeuvre cannot keep clear, so they have no such duty. All others must avoid impeding one constrained by draught.
Why the others are not
- a) They must avoid impeding.
- b) They must avoid impeding.
- d) They must avoid impeding.
How to work it out in the exam
- RAM and NUC: exempt.
Where this question comes from
- Ministerio de Transportes (Madrid) · 2025 · Convocatoria de noviembre · PER Test 2 · question 20 Official paper · Official answer key
- Ministerio de Transportes (Madrid) · 2025 · Convocatoria de noviembre · PER Test 4 · question 18 Official paper · Official answer key
Regulations
- IMO: Convention on the International Regulations for Preventing Collisions at Sea, 1972 (COLREGs) · Rule 18
- RIPA, consolidated text (BOE) · Rule 18
Pending instructor review. Machine translation, not reviewed.