Rules and Regulations for the Classification of Special Service Craft

LR Rules and Regulations for the Classification of Special Service Craft 1 July 2023 can be accessed via Regs4Ship, these have been updated by approved rule changes.

Recent updates

1. Notice No.6 Rules and Regulations for the Classification of Special Service Craft, July 2022
2. Notice No.7 Rules and Regulations for the Classification of Special Service Craft, July 2022
3. Notice No.8 Rules and Regulations for the Classification of Special Service Craft, July 2022
4. Notice No.9 Rules and Regulations for the Classification of Special Service Craft, July 2022 (Corrigenda) 

Contents

The Rules and Regulations for the Classification of Special Service Craft apply to sea-going motor, sailing and auxiliary craft of normal form, proportions and speed, generally not exceeding a Rule length, LR of 150 m.

These Rules are applicable to the following craft types constructed from steel, aluminium alloy, composite materials or combinations of these materials: 

1. High-speed craft.
2. Light displacement craft.
3. Multi-hull craft.
4. Yachts of overall length, LOA, 24 metres or greater.
5. Craft with a draught-to-depth ratio less than or equal to 0,55.

In addition, the following craft types will be considered upon request on the basis of the Rules: 

1. Amphibious air cushion vehicles.
2. Rigid inflatable boats.
3. Hydrofoil craft.
4. Foil-assisted craft.
5. Craft with a Rule length, LR, less than 24 metres and draught to depth ratio greater than 0,55.