Abstract
The process of digitalization in our society is undeniable and unstoppable and ships are adapting more and more to this new environment. This offers great advantages, since ships can send/receive all the information on all aspects of their current status (allowing more efficient management during the ship's life and even opening the door to autonomous navigation), but this presents a number of intrinsic difficulties due to their connected state (cybersecurity). All the above will be developed with a massive sensorization of the ships, which will indicate their condition, going from a reactive maintenance to a predictive maintenance. This requires the figure of the digital twin, which digitally represents the physical reality of the ship, and which will be a single source of information for all actors.
 This digital twin opens the door to "Digital Classification" by Bureau Veritas, in which traditional 2D plans are no longer necessary, but work is done directly in 3D on the Digital Twin. Bureau Veritas, as a reference classification society, has adapted to the current situation of the industry, favoring the digitalization process in all its aspects. 
 The objective of this article is to present the current state and foreseeable evolution of the technology leading to the Digital Twin concept, its implications in the design and maintenance of ships, all from the point of view of a Classification Society while exemplifying the digitalization process of a Classification Society in different aspects.
Highlights
Digital transformation in detailSince those times (19th century) when Classification Societies worked exclusively on paper plans, a lot of time has passed, which Bureau Veritas has ceased the opportunity to continuously adapt to the information management needs of clients
As far as the first phase implementations are concerned and have been in operation for a long time, both for Bureau Veritas and for external clients, it can be said that the deeper development is already implemented at Bureau Veritas, with several pilots being executed with clients and feeding back the system with their answers, consists of digital modelling, the socalled "Digital Twin", which Bureau Veritas has implemented through the VeriSTAR AIM 3D system, which consists of Asset Integrity Management
As far as the first phase implementations are concerned and have been in operation for a long time, both for Bureau Veritas and for external clients, it can be said that the deeper development is already implemented at Bureau Veritas, with several pilots executed with clients and feeding back the system with their answers, 22 Ship Science & Technology - Vol 13 - n.° 26 - (19-28) January 2020 - Cartagena (Colombia) consists of digital modelling, the so-called "Digital Twin", which Bureau Veritas has implemented through the VeriSTAR AIM 3D system, which consists of Asset Integrity Management
Summary
Since those times (19th century) when Classification Societies worked exclusively on paper plans, a lot of time has passed, which Bureau Veritas has ceased the opportunity to continuously adapt to the information management needs of clients. This new information technology and digitalization process has been implemented in Bureau Veritas in certain aspects that fully confer the characteristics of a Classification Society in the 21st century. Digital services include the generation of a "digital twin" of the ship, which includes all the ship's information This model will be very useful, for Bureau Veritas, and for shipyards in the construction phase and shipowners in operation (facilitating groundings, etc.) 2) Customer experience.
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