Definition(s)
Freeboard
Freeboard is the distance measured vertically downwards amidships from the upper edge of the deck line to the upper edge of the related load line.
Source: IMO Resolution A.1023(26), Code for the Construction and Equipment of Mobile Offshore Drilling Units (2009 MODU Code), 2009. Global Standards
Source: Rules and Regulations for the Classification of Mobile Offshore Units, Part 4, Steel Unit Structures, June 2013, Lloyd’s Register, Global Standards
Freeboard
Freeboard is the distance between the assigned load line and freeboard deck.
Source: IMO resolution MSC.267(85), International Code on Intact Stability, 2008 (2008 IS Code), 4 December 2008, International Maritime Organization. Regulatory Guidance
Freeboard
Freeboard is the distance between the assigned load line and freeboard deck.
Note: For the purposes of application of chapters I and II of Annex I of the International Convention on Load Lines, 1966 or the Protocol of 1988 as amended, as applicable to open-top containerships, freeboard deck is the freeboard deck according to the International Convention on Load Lines, 1966 or the Protocol of 1988as amended, as applicable as if hatch covers are fitted on top of the hatch cargo coamings.
Source: IMO Resolution MSC.267(85), adoption of the International Code on Intact Stability, 2008 (2008 IS Code), 4 December 2008, International Maritime Organization. Regulatory Guidance