Chapter 8905 — Customs Tariff Headings

Bucket Ladder Dredger

A bucket ladder dredger is a mechanical vessel equipped with an endless chain of buckets that excavate material from the seabed. It is used in coastal and river dredging operations where the primary function is excavation, with navigation being secondary. This vessel falls under tariff item 8905.10.00 as a dredger because its main purpose is dredging, not transport.

Clamshell Dredger

A clamshell dredger is a vessel equipped with multiple clamshell buckets used for efficient bulk seabed material removal in port maintenance. Its principal function is dredging via grabs, with navigability being auxiliary. This qualifies it as a dredger under tariff item 8905.10.00.

Cutter Suction Dredger

A cutter suction dredger is a self-propelled vessel with a rotating cutter head to loosen soil and pumps for excavation, primarily used for dredging channels and harbors. Its navigability is subsidiary to the main dredging function, making it a dredger under tariff item 8905.10.00.

Dippers Dredger

A dipper dredger is a backhoe-style vessel using a dipping bucket arm for excavating underwater material, common for precise trenching work. Its main function is dredging via the dipper mechanism, with subsidiary navigability, qualifying it under tariff item 8905.10.00.

Grab Dredger

A grab dredger is a vessel equipped with clamshell grabs suspended from cranes to scoop seabed material, used for grabbing and lifting dredged spoil. Its primary function is material grabbing for dredging, with navigability subsidiary, making it a dredger under tariff item 8905.10.00.

Non-Self-Propelled Dredger Pontoon

A non-self-propelled dredger pontoon is a floating platform towed to site, equipped with a dredging ladder and pumps for stationary excavation work. It lacks independent navigation, and its main function is dredging, so it is classified as a dredger under tariff item 8905.10.00.

Placer Gold Dredger

A placer gold dredger is a specialized floating vessel with sluice boxes and suction systems for alluvial gold mining dredging operations. Its primary function is mineral extraction via dredging, making it a dredger under tariff item 8905.10.00.

Self-Propelled Hopper Barge Dredger

A self-propelled hopper barge dredger is a barge with an integrated suction dredging system and hoppers for sand and gravel extraction in beach nourishment projects. Dredging is the essential function, with navigation support, so it falls under tariff item 8905.10.00.

Trailing Suction Hopper Dredger

A trailing suction hopper dredger is a hopper barge with trailing suction pipes that pumps dredged material into onboard hoppers for transport and disposal. Navigability supports but is secondary to the primary dredging and material handling function, fitting tariff item 8905.10.00.

8905.20.11

Column-Stabilized Drilling Platform

A column-stabilized drilling platform is a floating offshore structure with vertical columns that provide stability during drilling operations. It is used for exploration, delineation, or development of offshore projects, making it a drilling platform under tariff item 8905.20.11.

8905.20.11

Jack-Up Drilling Platform

A jack-up drilling platform is a mobile offshore unit with extendable legs that elevate the hull above the sea surface for stability on the seabed. Its primary function is drilling for exploration, delineation, or development of offshore projects, qualifying it under tariff item 8905.20.11.

8905.20.11

Semi-Submersible Drilling Rig

A semi-submersible drilling rig is an offshore platform with pontoons that allow partial submersion for stability in deep waters. It is primarily used for drilling activities in exploration, delineation, or development of offshore projects, falling under tariff item 8905.20.11.

Drillship Production Unit

A drillship production unit is a self-propelled vessel that has been modified to include both drilling and production facilities for offshore operations. Its primary function is drilling and production, with navigability being subsidiary, which aligns with the tariff item for production platforms. This classification applies because the vessel's essential character is defined by its production capabilities rather than its ability to navigate.

Floating LNG Production Platform

A floating LNG production platform is a specialized floating facility designed to extract natural gas from subsea wells, process it into liquefied natural gas (LNG), and store it before offloading. Its primary function is production and processing, with navigability being subsidiary, which qualifies it under tariff item 8905.20.20 as a production platform.

Floating Production Storage and Offloading Platform (FPSO)

A Floating Production Storage and Offloading platform (FPSO) is a floating facility that processes oil and gas from subsea wells, stores it, and offloads it to tankers. Its main function is production and storage, with navigation being secondary, making it eligible for tariff item 8905.20.20 as a production platform.

Gravity-Based Production Platform

A gravity-based production platform is a fixed-bottom structure that uses concrete ballast for stability and is used for oil and gas production. Although it is not floating, it falls under tariff item 8905.20.20 because it is a production platform, and its navigability is subsidiary to its main production function.

Mobile Offshore Production Unit (MOPU)

A Mobile Offshore Production Unit (MOPU) is a relocatable platform used for temporary oil and gas production, often supported by barges or mats. Its primary function is production, with navigability being secondary, which qualifies it under tariff item 8905.20.20 as a production platform.

Spar Production Platform

A spar production platform is a deepwater floating platform with a large cylindrical hull used for oil and gas production, moored in place with minimal navigation capability. Its primary function is production, making it eligible for tariff item 8905.20.20 as a production platform.

Submersible Oil Production Barge

A submersible oil production barge is a barge-type platform that can be submerged for transport and floated for production operations in inland or nearshore waters. Its main function is production, with navigation being auxiliary, which qualifies it under tariff item 8905.20.20 as a production platform.

Tension Leg Production Platform

A tension leg production platform is a floating platform anchored by vertical tendons under tension to maintain position for subsea well production. Its primary function is production, with navigability being subsidiary, making it eligible for tariff item 8905.20.20 as a production platform.

Tension-Leg Wellhead Platform

A tension-leg wellhead platform connects directly to subsea wells for production via tension legs, serving as a production platform. Its primary function is production, with navigability being subsidiary, which qualifies it under tariff item 8905.20.20 as a production platform.

8905.90.19

Cable Laying Barge

A non-self-propelled barge equipped with integrated cable laying machinery, tensioners, and storage reels for submarine cable installation. Its navigational capabilities are limited to positioning and transit, as its primary function is cable deployment, classifying it under tariff item 8905.90.19 as an 'other' vessel whose navigability is subsidiary to its main function.

8905.90.19

Pipe Laying Barge

A semi-submersible barge fitted with a stinger, welding stations, and pipe handling equipment for offshore pipeline installation. Its navigation is limited to moving between lay sites, as its main function is pipe welding and laying, making it classifiable under tariff item 8905.90.19 as an 'other' vessel with subsidiary navigability.

8905.90.20

Floating Crane Barge

A self-propelled barge equipped with a heavy-duty crane designed for lifting operations in ports and offshore sites. Its navigability is subsidiary to its primary crane function, and it has a minimum gross lift capacity of at least 1,200 tonnes, qualifying it under this tariff item.

8905.90.20

Floating Derrick

A converted barge with a permanently mounted derrick crane for heavy lift operations in marine salvage and construction. The crane function dominates over navigation, and with a minimum gross lift capacity of 1,200 tonnes, it fits the definition of a heavy lift crane vessel.

8905.90.20

Salvage Lifting Barge

A heavy lift barge with submersible pontoons, designed for salvage operations to recover sunken vessels. Its primary function is lifting and salvage, with navigability being subsidiary, which qualifies it under tariff item 8905.90.20 as a floating crane or heavy lift vessel. With a minimum gross lift capacity exceeding 1,200 tonnes, it meets the specific criteria for this classification.

Aluminum Pontoon Floating Dock

An aluminum pontoon floating dock is a lightweight, buoyant platform supported by aluminum pontoons, designed to provide stable mooring and access for recreational vessels. Its primary function is to serve as a stationary floating platform for berthing, with navigability being entirely subsidiary, which places it under tariff item 8905.90.90 as an 'other' floating dock.

Commercial Marina Floating Dock

A commercial marina floating dock is a large-scale, multi-berth floating platform system designed to accommodate numerous yachts and boats in busy marinas. Its main function is to provide stable, stationary berthing and pedestrian access, with no navigational purpose, qualifying it as an 'other' floating dock under tariff item 8905.90.90.

Concrete Floating Breakwater Dock

A concrete floating breakwater dock is a heavy-duty floating structure made of reinforced concrete, serving dual purposes as a dock for mooring and as a wave barrier to protect harbors. Its principal role is providing sheltered mooring and wave attenuation, with negligible navigability, making it classifiable as an 'other' floating dock under tariff item 8905.90.90.

Diving Support Vessel - Light Duty

A vessel equipped with saturation diving systems and ROV deployment for underwater inspection, where positioning capability is secondary to diving operations. This falls under the 'Other' tariff item as its navigability is subsidiary to its main function of supporting diving activities.

Drive-On Floating Boat Dock

A drive-on floating boat dock is a pontoon-based platform equipped with a ramp that allows small boats to drive directly onto the dock for storage or maintenance. Its primary function is to provide a stationary platform for convenient vessel access, with navigability being incidental, thus falling under tariff item 8905.90.90 as an 'other' floating dock.

Eco-Friendly Bamboo Floating Dock

An eco-friendly bamboo floating dock is a sustainable floating platform constructed from bamboo composites over foam-filled pontoons, designed for environmentally conscious mooring applications. Its main function is to provide a stable, stationary docking surface, with no navigational capability, qualifying it under tariff item 8905.90.90 as an 'other' floating dock.

Floating Accommodation Platform

A jack-up platform providing temporary worker housing during construction projects, with navigation only for relocation. Its primary function is accommodation, making its navigability subsidiary, which fits the 'Other' tariff item for vessels with non-navigational main functions.

Floating Dry Dock - Small

A compact self-docking unit for small vessel repairs, capable of limited relocation. Its dry docking function is primary over navigation, fitting the 'Other' tariff item for vessels where navigability is subsidiary to the main function.

Floating Pump Station

A barge-mounted high-capacity pump system for flood control and water transfer operations. The pumping function is primary, with positioning navigation only, making it suitable for the 'Other' tariff item for vessels with subsidiary navigability.

Floating Work Platform

A modular floating platform for marine construction support with minimal propulsion, primarily used as a stable work surface for welding and assembly. Its navigability is incidental to its platform function, fitting the 'Other' tariff item.

Geotechnical Survey Vessel

A small vessel with seabed sampling and CPT equipment for foundation investigation, where station-keeping is primary over transit. This classifies as an 'Other' specialized vessel under the tariff item for vessels with subsidiary navigability.

Heavy-Duty Industrial Floating Dock

A heavy-duty industrial floating dock is a robust steel and composite structure used in shipyards for berthing and servicing large vessels. Its primary purpose is to provide a stationary docking platform for ship repair and maintenance, with navigability being subsidiary, placing it under tariff item 8905.90.90 as an 'other' floating dock.

Marine Incineration Vessel

A floating incinerator barge for hazardous waste disposal at sea, with navigation only for site positioning. Its waste processing function is primary, making it eligible for the 'Other' tariff item for vessels with subsidiary navigability.

Pile Driving Vessel

A specialized floating platform fitted with pile drivers for installing foundation piles in marine construction. Navigability serves only to position the vessel at work sites, qualifying it under the 'Other' tariff item for vessels with subsidiary navigability.

Portable Plastic Floating Dock

A portable plastic floating dock is a modular dock made from high-density polyethylene, designed for easy assembly and use in lakes or rivers. Its main function is to provide a stable, movable floating platform for boat access, with movement being incidental and not navigational, classifying it under tariff item 8905.90.90 as an 'other' floating dock.

Residential Lake Floating Dock

A residential lake floating dock is a compact, easy-to-install floating platform designed for private lakefront properties, providing personal boat mooring and water access. Its primary function is to serve as a stationary docking structure, with no navigational capability, making it classifiable under tariff item 8905.90.90 as an 'other' floating dock.

Rock Installation Vessel

A split-hopper barge for placing rock armor in coastal protection works, with navigation subsidiary to material placement. This fits the 'Other' tariff item for vessels where navigability is not the primary function.

ROV Support Vessel - Small

A compact vessel with ROV handling crane and control station for underwater inspection. Its support function is primary over navigation capability, making it eligible for the 'Other' tariff item for vessels with subsidiary navigability.