The IMO CC4/10 recommendation was adopted by the Maritime Committee in 1965 and entered into force in 1969. It provides guidance on the design, construction and equipment of vessels engaged on international voyages in the least hazardous circumstances. The Recommendation applies to vessels of 500 gross tonnage and above, constructed on or after 1 January 1969, for the purpose of international voyages.
The main points of the IMO CC4/10 are:
1. Hull Strength: Vessels should have sufficient strength reserves to withstand damage from collision, grounding, and heavy weather.
2. Structures and Equipment: The vessel should be designed and equipped with sufficient bulkheads, decks, hatchways, bulkheads and other structures necessary to withstand stresses and strains resulting from the intended service.
3. Machinery and Propulsion: Vessels should be constructed with the necessary propulsion and maneuvering systems required to meet international voyage requirements, including adequate reserve power and redundancy systems.
4. Navigation Equipment: Boats should be equipped with navigation equipment and devices suitable for the intended voyage and sufficient to ensure navigation in end-of-voyage and emergency situations.
5. Communications Equipment: All vessels should be provided with radiotelephone and maritime satellite communications systems with reception abilities in various frequency bands and power outputs, as well as radiotelegraph systems.
6. Survivability: Coastal vessels should have sufficient buoyancy for the passengers and crew to survive in the event of a capsize. Derelict protection should be provided to prevent the vessel from being set adrift.
7. Rescue, Renewal and Recovery: All vessels should be provided with rescue and recovery systems suitable for the intended voyage.
8. Fire Prevention and Fire Fighting: Vessels should be provided with firefighting systems and arrangements, as well as detection, alarm, and extinguishing systems and extinguishing agents.
9. Life-Saving Equipment: Vessels should be equipped with sufficient life-saving and emergency equipment, including an emergency means of communication, life-saving appliances, and emergency lighting.
10. On-board Training: Vessels should incorporate an appropriate training program, including emergency drills, and provide adequate documentation to the Flag State Operation Inspectorate.