Eastern Shipbuilding Group, Inc. has launched the HOS Black Watch offshore supply vessel for Hornbeck Offshore Services, LLC. The HOS Black Watch is Eastern’s fourth vessel in Hornbeck Offshore’s HOSMAX 310 class series.
The launching event was held at Eastern’s Allanton facility on June 6, 2014, with hundreds of Eastern Employees and guests.
The HOS Black Watch is the fourth of six Eastern vessels designated as the HOSMAX 310 series by Hornbeck Offshore and is a Diesel-Electric powered, twin Z-drive propelled OSV. These high-tech vessels feature four Caterpillar 3516C 16-cylinder turbo-charged Tier III diesel generator engines each rated at 1,825 kW at 1,800 rpm.
Main propulsion power is provided by two GE Energy furnished Hyundai 2,500 kW 690VAC electric motors driving two Schottel SRP 2020 FP Z-Drives with nozzles rated at 2,500 kW at 1,025 rpm each for a total of 6,704 Hp. Schottel is also providing two STT 4 fixed pitch tunnel thrusters rated at 1,180 kW at 1,170 rpm, each with direct coupled Hyundai 690VAC electric motors.
GE Energy Power Conversions is providing the complete system integrated diesel electric package, including the propulsion and thruster drives, motors, control systems, DP system, switchboards, motor control centers, automation and navigation/communication electronics. These vessels are capable of a maximum speed of 14 knots with a cruising speed of 12 knots. The fully integrated bridge is arranged for increased visibility and features the latest technology in navigation, communication equipment.