ISO 11209:2012 gives guidelines for the minimum structural scantling of lifting appliances for large yachts.

It is applicable to the following lifting appliances:

· cranes;

· access gangways (including side ladders);

· access gangways when used as a lifting appliance.

ISO 11209:2012 is not applicable to lifting means for life saving appliances, which are covered by recognized rules and/or international regulations.

ISO 11209:2012 covers mainly the following aspects:

· service class;

· applied loads;

· design criteria;

· allowable stress;

· strength check;

· elastic stability check;

· connections.