Article 87 Requirements for lifebuoys

Lifebuoys carried in every vessel of 17 metres in length and over to which these Rules apply shall comply with the requirements of Part I of Schedule 10 to these Rules.

Lifebuoys carried in every vessel of less than 17 metres in length to which these Rules apply shall comply with the requirements of either Part I or Part II of Schedule 10 to these Rules. The lifebuoys carried shall not be so mixed as to comprise at any one time lifebuoys complying with Part I and lifebuoys complying with Part II of the said Schedule.

Lifebuoys carried in every vessel to which these Rules apply shall weigh not less than 4.3 kilogrammes where the release of a self-igniting light depends upon the weight of the lifebuoy.