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Entramos al puerto de Barbate a la hora de la 2ª Pleamar del día, cuya altura es de 1,80 metros y atracamos en un lugar con sonda de carta de 2 metros, siendo nuestro calado máximo de 1,20 metros. - Calcular la sonda bajo quilla en el momento de atracar:We enter the port of Barbate at the time of the 2nd High Water of the day, height 1.80 metres, and berth at a charted sounding of 2 metres, our maximum draught being 1.20 metres. Calculate the water under the keel at the moment of berthing:

Show the answer

Correct answer: d) 2.60 metres

Why it is correct

At high water there is no correction: 2 + 1.80 − 1.20 = 2.60 m.

Why the others are not

  • a) The result is different.
  • b) The result is different.
  • c) The result is different.

How to work it out in the exam

  1. Water under the keel = charted sounding + height of tide − draught.
  2. The height of tide is the low water plus the additive correction from the Anuario.

Where this question comes from

Try it: Tide trainer

Pending instructor review. Machine translation, not reviewed.