Anchor Handling Tugboat Product Introduction
(1) Specifications and Product Parameters
The Anchor Handling Tugboat (AHT) is a robust offshore support vessel engineered for anchor deployment, retrieval, and towing operations in demanding marine environments. Key specifications: overall length (LOA) 50-80 m; beam 15-20 m; moulded draft 5-7 m. Bollard pull (BP) capacity 150-250 tonnes, powered by quadruple main engines totalling 10,000-20,000 kW. Propulsion via azimuthing thrusters or controllable pitch propellers (CPP) for omnidirectional control. Deck equipment includes anchor handling winches with 300-500 tonne line pull, tow pins, shark jaws, and stern rollers rated for 500-1,000 tonnes SWL. Bunker capacity 1,000-2,000 tonnes; endurance up to 30 days. Compliant with IMO PSPC and CCS class notations for unrestricted service.
(2) Product Features, Performance, and Materials
Performance highlights: maximum speed 12-15 knots; heave-compensated cranes with 50-100 tonne lift at 20 m outreach; integrated ROV interfaces for subsea monitoring. Low-emission SCR/DPF exhaust systems meet IMO Tier III NOx standards; hybrid battery options provide 20-30% fuel savings during low-load modes. Hull constructed from EH36/FH40 high-tensile steel with ice-class reinforcements (Ice-1A); deck machinery from duplex stainless steel for corrosion resistance in saline environments. Advanced automation includes PLC-based winch controls, load-monitoring sensors, and ECDIS with ARPA radar for enhanced situational awareness and reduced fatigue.
(3) Product Actual Application Ranges/Scenarios
Primarily deployed in offshore oil and gas fields for anchor handling of semi-submersible rigs, FPSOs, and drillships under IMCA guidelines, including mooring line installation and buoy recovery in water depths up to 3,000 m. Supports subsea construction, pipeline towing, and platform supply in harsh environments like the North Sea or the Gulf of Mexico. Versatile for emergency response, such as rig relocation during storms or salvage towing per IMO conventions. Suitable for renewable energy sectors, including wind farm cable laying and turbine foundation anchoring, with operations in wave heights up to 5 m and compliance with the ISM Code for global maritime domains.
