These 111.60 m Energy Support IRM Vessels are built for inspection, maintenance, repair, cable laying, subsea construction, and decommissioning offshore operations. With a 21.50 m beam, 7.20 m scantling draft, and 1,340 m² cargo deck, each vessel accommodates 100 POB in 40 single and 30 double cabins, along with hospital facilities. Fuel and utility capacities include abt. 1,100 m³ MGO/Biodiesel, 600 m³ potable water, 100 m³ urea, and 900 m³ biomethanol/MEG. Designed for efficiency, each vessel reaches 13.5 kts at 5,000 kW under ITTC standards. 1-st Vessel Delivery in Q3 2027 from first-class Shipyard located in SE Asia.
HOS#400 | 3 Sister Newbuilds 111.60m | 100 POB Accommodation | DP2 Energy Support IRM Vessels | Delivery in Q3 2027

These state-of-the-art offshore support vessels are designed to accommodate up to 100 personnel and perform a wide range of offshore operations, including inspection, maintenance, and repair of wind farms and oil installations, cable laying, crane operations, subsea construction, SURF work, WROV operations, and decommissioning projects. With an LOA of 111.60 m, a beam of 21.50 m, and a scantling draft of 7.20 m, the vessels offer a spacious 1,340 m² cargo deck, ensuring ample capacity for mission-specific equipment.
The onboard accommodation includes 40 single-berth cabins, 30 double-berth cabins, a hospital treatment room, and a ward, providing comfortable living and working conditions for offshore personnel.
The vessels feature extensive fuel and utility storage capacities, including abt. 1,100 m³ of MGO/Biodiesel (HV0-100), 600 m³ of potable water, 100 m³ of urea, and 900 m³ of biomethanol/MEG, which can also be used for MOO operations. Designed for efficiency, each vessel achieves a service speed of at least 13.5 kts at 5,000 kW under standard ITTC sea trial conditions, ensuring reliable performance in harsh offshore environments.
All 3 units are subject to optional extras and final specification.
Brief Vessel Specification as follows:
Design : First-class Norwegian Design
LOA/ Beam : 111.6 m x 21.5 m
DP System : DP2
Deck Area : 1340m2
Berths : 100
Crane : 150t AHC Knuckle Boom Subsea Crane
Helideck : Fitted
WROV Hangars : Fitted
Moonpool : Fitted
The Vessel’s average speed during sea trials, executed according recognized standard ITTC 7.5-04-01-01.1 (2014) with clean hull, in calm weather not exceeding Sea State 2 with draft 6.0 meters shall be at least 13.5 knots at 5000 kW.
The vessel’s main duties will be:
• Accommodate service personnel for Inspection, Maintenance and Repair of offshore wind farms and oil installations
• Cable laying
• Crane operations
• Decommissioning and recycling
• Flex-lay with HLS/ VLS and reels
• Inspection, Maintenance and Repair of offshore wind farms and oil installations
• Subsea construction works
• SURF operations
• WROV work
Optional extras to be discussed.
Further details available upon request from qualified/ direct Parties if of interest.
Disclaimer:
HOS offers the details of these vessel(s) in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel(s). A Buyer should instruct his agents, or his marine surveyors, to verify all details, as per Buyer desires (project/ scopes of work) in due course.
This vessel(s) is offered subject to availability, price change, or withdrawal without notice.