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Marcación

Definición

La dirección de la brújula desde su posición hasta un objeto. Una marcación constante indica riesgo de colisión.

Marcación in practice

A bearing is measured in degrees clockwise from north, from 000 to 359. A hand-bearing compass gives a magnetic bearing; convert it to true (by applying variation) before plotting.

Two or three bearings of charted objects crossing on the chart give a position fix. A bearing of another vessel that stays steady while the range closes means a risk of collision.

Common questions

What is a compass bearing versus a relative bearing?
A compass bearing is measured from north; a relative bearing from the boat's bow.
Why does a steady bearing mean danger?
If the angle to another vessel doesn't change while it gets closer, you are on a collision course (COLREGs Rule 7).

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