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Una Marca cardinal NO puede ser utilizada para:A cardinal mark can NOT be used to:

Show the answer

Correct answer: b) Mark a channel entrance, harbour or estuary approach, or landfall.

Why it is correct

Marking a landfall or harbour approach is the safe water mark’s job. The others are proper uses of a cardinal.

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

  • a) A cardinal use.
  • c) A cardinal use.
  • d) A cardinal use.

How to work it out in the exam

  1. Landfall: safe water.

Where this question comes from

Regulations

Try it: Buoyage pilotage

Pending instructor review. Machine translation, not reviewed.