1.1 General Philosophy
Clasification Society 2024 - Version 9.40
Statutory Documents - IMO Publications and Documents - International Codes - DSC Code - Code of Safety for Dynamically Supported Craft – Resolution A.373(X) - Chapter 1 - General - 1.1 General Philosophy

1.1 General Philosophy

  1.1.1 This Code represents the recommended requirements for the design and construction of dynamically supported craft, together with the appropriate equipment which should be provided, and the appropriate condition for their operation and maintenance. It is intended that the application of the Code, as applied to craft in accordance with the definition in 1.4.1, should result in a level of safety for the craft and persons carried equivalent to that required for conventional displacement ships by the Safety and Load Line Conventions.

  1.1.2 The provisions of this Code should be applied having regard to the general conditions set out in the Code, which are based on the following:

  • (a) that distances covered and the worst intended environmental conditions in which operations are permitted will be restricted;

  • (b) that the craft will at all times be in reasonable proximity to a place of refuge;

  • (c) that the facilities specified in 1.4.11 will be available at the base port from which the craft operates;

  • (d) the ability of the Administration to exercise strict control over the operation of the craft;

  • (e) the rapid availability of rescue facilities at all points in the intended service;

  • (f) that all passengers are provided with a seat and no sleeping berths are provided;

  • (g) facilities are provided for rapid evacuation into suitable survival craft.

  1.1.3 The safety of the passengers and crew of dynamically supported craft should be provided by appropriate standards of design and construction, by documentation complying with the requirements of Chapters 1 to 16 of this Code, by implementation of operational, maintenance and personnel competence requirements contained in Chapters 17 and 18, as well as by the system of surveys specified in this chapter. This Code should be treated as a unified document since non-compliance with any of its parts can be detrimental to the safety of passengers and crew.

  1.1.4 Dynamically supported craft, by their very novelty and because of their small number, have problems peculiar to themselves and hence designers and operators should have maximum freedom to achieve the acceptable safety level in the appropriate manner.

  1.1.5 New installation of materials containing asbestos used for the structure, machinery, electrical installations and equipment of a craft to which this Code applies should be prohibited except for:

  • .1 vanes used in rotary vane compressors and rotary vane vacuum pumps;

  • .2 watertight joints and linings used for the circulation of fluids when, at high temperature (in excess of 350°C) or pressure (in excess of 7 x 106 Pa), there is a risk of fire, corrosion or toxicity; and

  • .3 supple and flexible thermal insulation assemblies used for temperatures above 1000°C.


Copyright 2022 Clasifications Register Group Limited, International Maritime Organization, International Labour Organization or Maritime and Coastguard Agency. All rights reserved. Clasifications Register Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'Clasifications Register'. Clasifications Register assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant Clasifications Register entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract.