Spanish original · English

Hover or tap underlined Spanish terms to see their translation and exam tip.

Una embarcación se encuentra con una corriente de proa de 3 nudos y en el GPS se lee una velocidad de 4 nudos, ¿cuál será el valor de la SOG en ese momento?A boat meets a current from ahead of 3 knots and the GPS reads a speed of 4 knots. What is the SOG at that moment?

Show the answer

Correct answer: c) 4.

Why it is correct

SOG is speed over ground, which is what the GPS gives: 4 knots.

Why the others are not

  • a) The GPS already includes the current.
  • b) That is the current.
  • d) That would be speed through the water.

How to work it out in the exam

  1. GPS: always over the ground.

Where this question comes from

Try it: Navigation calculations

Pending instructor review. Machine translation, not reviewed.