Marine order 30—Prevention of collisions

Provides information about: prevention of collisions, internationally agreed measures for navigation, and lights and signals required and to be used on a vessel.

Last updated
1 August 2016

Read Marine Order 30 (Prevention of collisions) 2016.

Related information

  • International conventions
  • International regulations for preventing collisions at sea 1972, attached to the Prevention of Collisions Convention (access or purchase)
  • Adoption of the performance standards for navigation lights, navigation light controllers and associated equipment, annex to IMO Resolution MSC.253(83)
  • Ships’ Routeing 2017, an IMO publication (access, borrow or purchase)
  • Additional guidance for the uniform application of Rule 1(e) of the International Regulations for Preventing Collisions at Sea 1972, as amended. IMO circular MSC/Circ.1144 (register)


Last updated: 

Friday 14 June 2019