Inverse Draft Survey
Mar17

Inverse Draft Survey

Few years ago, I have received the email from friend that asked regarding Inverse Draft Survey. The Inverse Draft Survey is doing when the ship has to split the cargo for two or more ports. The method is the same as common draft survey calculation, what the ship officer or surveyor needs to do is preventing cargo less or more discharge at the 1st port. What is the purpose? – To prevent cargo less or more discharge at one port....

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Improving Accuracy of Draft Survey
Jan28

Improving Accuracy of Draft Survey

Previously has posted about the accuracy and factors effecting draft survey, check this link if you need. Now, the post below will relate to the way for improving accuracy of Draft Survey. In draught survey operation several parties are involved and it is to advantage of each party to join the efforts to increase the accuracy. The parties involved are The buyers, the sellers, the charterers, the terminals and vessel’s staff. Assuming...

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SurveyorMates Video
Mar06

SurveyorMates Video

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Draft Survey: The Other Side
Oct08

Draft Survey: The Other Side

Distance Draft Mark From Perpendiculars The above picture show you the distance of draft mark to perpendiculars. Some of you may have finds the above arrangement. But how if you find it for the first time? How do you calculate it? Commonly in the table for draft correction, the distance of draft mark measures to the nearest perpendiculars such as; Distance of Aft Draft Mark to Aft Perpendicular, Distance of Mid Draft Mark to Mid...

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