Hover or tap underlined Spanish terms to see their translation and exam tip.
Regla 21. Las "luces de costado" son unaRule 21. "Sidelights" are a
Show the answer
Correct answer: b) green light on the starboard side and a red light on the port side
Why it is correct
Rule 21 b) places the green light to starboard and the red light to port. So if you see a vessel's red light, it is crossing from your starboard side.
Why the others are not
- a) The colours are reversed.
- c) Yellow is for the towing light, not sidelights.
- d) Yellow is not used for sidelights.
How to work it out in the exam
- Tip: port and red are the short words; starboard and green are the long ones.
Where this question comes from
- Región de Murcia · 2017 · 1ª convocatoria · PER Tipo 1 · question 23 Official paper · Official answer key
- Región de Murcia · 2018 · 2ª convocatoria · PER Tipo 1 · question 23 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.