The log in a region with marine currents

February 6, 2017 SorinMStamate No comments exist
The log in a region with marine currecnts
The log in a region with marine currents

The log in a region with marine currents.

To determining the Log Correction or Coefficient in a region with marine currents, proceed as follow:

·         The ship takes a course parallel to the marine current direction;
·         The vessel executes 4 passes, on the same distance (2 in one direction and 2 in the opposite direction);
·         On every passage is measured the distance displayed by the log;
·         Determine the average of four distances indicated by the log.

To keep the original meaning of motion of the ship may be waived to 4th passing, hence LD₂ = LD₄

It is not necessary to know the current velocity to determine the Log Correction or Log Coefficient.

All other comments are the same as in previous articles.

The file contains various examples that can be deleted and edited with your data.

The log in a region with marine currents _ v1.0

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