Tugs are compulsory for vessels over 500 GRT. There are 3 tugs in Sevastopol Commercial Port. Additional tugs can be ordered in the Sevastopol Fishing Port. Ship's lines are used. In case of anchorage within inner roads, for any reason, a tug should be ordered by the Master to ensure safe manoeuvring. Expenses are on ship's account. For shifting on a distance exceeding the length of the vessel, tugs are compulsory.