Reference is made to the revised LSA Code, applicable from 1 January 2012, where the person weight
for the design and testing of liferafts has been increased from 75 to 82.5 kg:

Until further notice, the following preliminary IACS position shall be DNV practice:

All ships constructed (keel laid) on or after 1 January 2012 should carry liferafts approved on the basis of an average person mass of occupants of 82.5kg.

The SWL of any davits installed for launching these liferafts should be approved on the basis of an average person mass of occupants of 82.5kg.

All ships constructed before 1 January 2012 may continue to use inflatable
liferafts approved on the basis of an average person mass of occupants of
75kg unless such rafts are “replaced”.

More info download attachement Technical Letter issued by DNV

Infomarine On-Line Technical Library

File	Description	File size
DNV_person-weight_liferafts_Feb2012.pdf	New person weight for liferafts from 1 January 2012 – what are the consequences	329 Kb