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5 Classification Society Terms You Need to Understand Now

It is something that no ship can sail without.

Drydocks surveys, statutory surveys, ship building, ship repairs, ISM, ISPS surveys. You will deal with Classification Society of the ship during all these and more.

If the classification society is so much connected with the ship, doesn’t it make necessary for us to know everything about how it works?

In this post, we will discuss 5 terms related to the classification society of the ship.

Let us get started.

1. Class notations

When a master or chief engineer joins the vessel, this is one of the first things that they must look at. The class notations of the vessel.

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Comments (22)

Gentle boy June 9, 2022

Port To Port Distance

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Gentle Boy June 9, 2022

Please keep a button to delete comment. so that a person can delete his comment if he wants

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Hardeepak Sandhu June 2, 2022

Could you please tell the difference between Condition of Class and Class Dispensation? Thank you in advance.

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HOANG April 8, 2021

Dear sir, Pls kindly help me to define herwith: A1, AH, Offshore support vessel (FFV 1, OSR-C1, Supply-HNLS), TOW, AMS, DPS-2 Looking fwd return wz thanks HOANG (Mr)

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GAMMA Marine March 11, 2021

Thank you for providing such great information. Please find the details below for uk class 2 coc

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zaw phone mo February 17, 2021

This is very informative to me Sir.Understand clearly about Memorandum and Condition of class as you explain in simple words.Thank you very much indeed Sir.

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Amar anand July 15, 2020

nice blog sir

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Glenn A. Juezan August 4, 2019

This was very informative sir. But please tell me sir, what is the difference between dispensation letter and the mentioned condition of class. I thanked you already sir.

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Andrei Drozd June 5, 2019

Great blog. You have explained some difficult to understand in simple words and examples which are very informative. Thanks

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Rohan April 13, 2019

Is Outstanding recommendations in NKK same as condition of class

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Mahbob bin Shahril April 13, 2019

Interesting topic sir.. i would like to seek opinion from all marine community here on what is class items and what can be consider as not class items. As for example if we are going to install a new machinery onboard for example a welding machine it is class required to be made known. Perhaps most of us might have the impression yes since it is going to be some wiring modification needed etc however some might say the other way round. Therefore it boils back to either it is a class related or not .. looking forward for some brief explanation. Thank you mariners where ever you are ..

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Om Chatterjee January 9, 2019

Sir, thank you very much for such an informative article. I still have a doubt regarding the Certificate of Class. My question is that what all surveys are required actually for the Certificate of Class? Is it only intermediate and renewal survey ? Or do we need to undergo annuals as well. Sir, kindly clarify my doubt.

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ALLI December 29, 2018

i like you posts please i would like to get all for my knowledge thanks

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John Regan Delos Santos December 26, 2018

Hi sir, can you explain what is recommendation of class. Does it differ from the condition of class and memoranda? thanks in advance!

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Ishant singh July 19, 2018

Sir I read your blog very nice . Cleared my most of doubts . Sir I want to now about the difference between dispensation given by flag and condition of class

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Sulaiman Malek May 19, 2018

I am working at Khafji Joint Operation in Saudi Arabia. We have several vessels owned by the company. These vessels are certified by ABS. The certification will be expired soon and we need to renew it. If we approached other societies than ABS, is there any potential that we need to modify the vessels to match other societies criteria.

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Rajeev Jassal May 19, 2018

ABS is the member of IACS which sets the common standards for all the classification societies that are members of IACS. So if you need to change the class of the ships that are already classed with ABS, most likely the ships already comply with the requirements of the new classification society that you would choose. So there would most likely be no need to modify the vessel in any way.

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Abhishek Singh October 23, 2017

Sir in case of Condition of class, Is original class certificate is being replaced by condition of class by class surveyor or it is given in addition to the class certificate??

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Rajeev Jassal November 17, 2017

No.. even with condition of class, class certificate remains valid. As the name suggests the class certificate is valid but with a condition. Condition can be something like “dent on port side need to be repaired within 14 days”

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Aruna Liyanage July 6, 2017

Great blog. You have explained some difficult to understand areas in simple words and examples which are very informative. I had some doubts in this topic and most of them got cleared. Can you please mention where I can find class requirements and flag state requirements on board? Is there any file or document?

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Rajeev Jassal July 6, 2017

I hope this would help. Where can I find class requirements onboard?

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Anant Batra June 25, 2017

Good day sir, is there any difference between COC and Recommendation

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About Capt Rajeev Jassal

Capt. Rajeev Jassal has sailed for over 24 years mainly on crude oil, product and chemical tankers. He holds MBA in shipping & Logistics degree from London. He has done extensive research on quantitatively measuring Safety culture onboard and safety climate ashore which he believes is the most important element for safer shipping.