There is essential equipment that must be kept on board for use in hazardous times. If this equipment is not kept on board, there is a safety risk to the crew or passengers on board. Oxygen cylinders are one of this essential equipment. They must be kept on board. Tubes are used in emergencies and when needed. These cylinders are legally required to be kept on board. This mandatory equipment is included in the Dön Return to Life ”equipment.

 A, B and C type ships;

• Portable Oxygen Set,
• Oxygen Cylinder (must be kept up to 2 liters),
• Replacement Oxygen Cylinder (must be kept up to 2 liters).

It should be kept as tam 1 full set de on C type ships. This requirement is determined by Turkey General Directorate of Border and Coastal Health.