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Classification
Fleet in Service
INSB Class ship classification program and our dedicated set of Rules and Regulations, assist you to meet sound operational reliability and endurance wherever you operate

INSB Class rules require that every classed vessel shall be subject to periodic surveys throughout its service life to determine whether it is maintained in accordance with classification standards.
Classification Surveys are based on a regular five-year cycle including Annual Surveys, an Intermediate Survey and a comprehensive Special Survey including dry docking or underwater inspection in lieu of dry docking twice in a five-year period.
INSB Class surveyors also attend repairs and / or modifications to determine that the work performed returns the unit to a condition that conforms to the INSB Rules.
Admission to INSB Class is smooth yet standards compliant process and can be enacted by contacting either with the INSB Head Office or your local INSB field station.
In order to commence the class admission process and to determine the applicable entry surveys requirements, the following information and documentation of the vessel should be transmitted to INSB Class:
- Application for Class Admission duly filled and signed
- Vessel’s Existing Classification Certificate and its Annexes
- Latest survey status report including memoranda, conditions of class or previously posed recommendations, if any.
- The list of continuous machinery survey items (when applicable)
- Copies of standing Statutory certificates, including DOC, SMC , ISSC and MLC.
- Main class plans, manuals and booklets, as INSB Class shall deemed necessary on account of the vessel’s type, class notation and type of service according to the society’s Rules.
- Copy of vessel’s Registry Certificate as issued by the flag Administration
- Copies of exemption certificates, if any.
A program of surveys will be then set forth based on the outcome of the first document review results plus ship’s existing periodical cycle of surveys of the loosing society.
A prompt schedule for vessel’s attendance shall be determined in contact with ship operators to ensure minimal disruption to vessel’s trading activity.
Statutory certificates are to be issued by INSB on behalf of the Flag Administration following satisfactory completion of the applicable technical surveys in accordance with the International Conventions and / or national applicable legislation.