# The Merchant Shipping (Load Line) (Amendment) Rules 1990, Article 3


In Rule 33(1) of the principal Rules the following definitions shall be inserted in the appropriate alphabetical order:
“column stabilised” means, in relation to a unit, constructed with the main deck of the unit connected to its underwater hull or footings by columns or caissons;
“mobile offshore drilling unit” means a ship capable of engaging in drilling operations for the exploration or exploitation of resources beneath the sea bed such as liquid or gaseous hydrocarbons, sulphur or salt;
“mobile offshore support unit” means a ship used in connection with the offshore petroleum industry to provide ancillary services such, as accommodation, cranes or repair facilities.

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Source: https://www.legislation.gov.uk/uksi/1990/2128/article/3 (the official version)
Page: https://openlegislation.uk/merchant-shipping-load-line-amendment-rules-1990/article-3
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.