It presented these three eRA series tugs at Riviera Maritime Media’s 27th International Tug & Salvage (ITS) Convention & Exhibition in Dubai, UAE, which was held on 21-23 May 2024.

Uzmar is able to build eRA 2100, eRA 2500 and eRA 2800 tugs with energy storage systems ranging from 2,900 kWh up to 5,600 kWh capacity depending on requirements for power and time between charging.

eRA 2100 has an overall length of 21 m, a moulded beam of 11 m and a navigational draught of 4 m for vessel handling in harbours with shallow water. Uzmar said this vessel will have a bollard pull of up to 50 tonnes, a hull depth of 4 m, battery capacity of 2,900 kWh and accommodation for four crew members.

Its eRA 2500 is a 25-m harbour tug with a 12 m beam, a depth of 5 m, a navigational draught of 5 m, a bollard pull of 70 tonnes, batteries with 4,000 kWh capacity and accommodation for six crew and options for a FiFi class off-ship fire-fighting system.

Uzmar’s most powerful tug of this range would be built to a eRA 2800 design, with 85 tonnes of bollard pull coming from batteries with total capacity of 5,600 tonnes.

This 28-m tug will have a moulded beam of 13 m, a depth and draught of around 5 m, accommodation for eight crew members and a FiFi1 system.

These tugs will come with classification by Bureau Veritas, battery rooms on port and starboard sides, two azimuth thrusters on the stern, back-up generator sets in a central engineroom, a wheelhouse with 360° of view and the latest integrated bridge systems for navigation, propulsion control and commanding winches.