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Cargo

Browse Cargo terms for maritime professionals.

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Acolchado del tanque

Process of introducing inert gas (often nitrogen) into the tank vapor space to maintain safe conditions, prevent air ingress, and control tank atmosphere.

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Acumulación Estática

The buildup of electrical charge on surfaces in a tank or pipeline during cargo transfer, creating a risk of discharge and fire or explosion.

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Alarma de Alto Nivel

A critical warning system that alerts crew when the liquid in a tank approaches a designated high point, preventing overflow and ensuring safe loading procedures.

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Alarma de Sobrellenado

An automatic safety device that activates an audible and visual alert when liquid in a tank approaches a critical high level to prevent overflow during cargo operations.

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Atmósfera del tanque

The composition and quality of gases present inside a cargo tank, monitored to ensure safety from flammable, toxic, or inert conditions.

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Bandeja de Goteo

A shallow container placed beneath piping joints or hoses to catch leaks or drips during cargo transfer operations and prevent spillage on deck.

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Bloqueo de vapor

A condition where vapor forms in a pipeline or pump, blocking the flow of liquid cargo and potentially disrupting operations.

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Bomba de despojo

A pump specifically used for removing remaining cargo or residues from tanks, pipelines, or bilges after main discharge operations.

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Brazo de Carga

A movable articulated mechanical arm used at terminals to transfer liquid cargo between ship and shore through the cargo manifold.

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Calentamiento de Carga

The controlled application of heat to cargo in tanks to maintain pumpability and product quality, especially with heavy or viscous cargoes.

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Carga Cerrada

A cargo transfer method where tanks are loaded via closed systems to prevent vapour emissions, following ISGOTT and MARPOL requirements.

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Cargar encima

A cargo operation method in which the slops or residues in a tank are allowed to settle and then new cargo is loaded above the separated water phase.

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Chequeo de Loadicator

A procedure to verify cargo and ballast loading plans and actual weights using a shipboard stability calculator (loadicator) to ensure vessel safety.

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Compatibilidad de carga

Assessment of whether different cargoes can be safely loaded, carried, or stored together without risk of dangerous chemical reaction, contamination, or regulatory breach.

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Conexión de manguera

The act of securing cargo hoses between ship and shore, or between tanks and manifolds, ensuring a leak-free and safe cargo transfer system.

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Control de Vapores

System and procedures used to contain, monitor, and safely manage vapours generated during loading or discharging of cargo.

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Control de viscosidad

The process of monitoring and adjusting the viscosity of liquid cargo, often by heating or blending, to ensure efficient transfer and compliance with charter requirements.

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Corte de Agua

A measurement indicating the percentage of water present in a liquid cargo, essential for determining product quality and correct cargo quantity.

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Cruce de colectores

A pipe or valve arrangement that allows transfer between different cargo manifolds, enabling flexibility in cargo handling or emergency operations.

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Cruce de colectores

A pipe or valve arrangement that allows transfer between different cargo manifolds for flexible or emergency cargo handling.

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Cumplimiento de la Línea de Carga

The act of ensuring that a vessel's draft and freeboard remain within limits set by the assigned Plimsoll mark and international loadline regulations.

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Cálculo de Estabilidad

The process of determining a vessel’s ability to remain upright and safe under current loading conditions by calculating stability parameters.

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Desgasificación

The process of removing hazardous or toxic vapours from tanks by ventilation, rendering them safe for entry, inspection, or hot work.

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Deshidratación de carga

The process of removing water from cargo, especially crude oil, by settling, heating, or chemical means, to meet quality or contract requirements.

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Deshidratación de carga

The process of removing water from cargo, especially crude oil, by settling, heating, or chemical means to meet quality or contract requirements.

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Desplazamiento de Línea

The process of clearing a pipeline by pushing cargo or liquid out with another medium, usually to ensure product segregation or minimize loss during transfer.

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Drenaje de carga

Controlled removal of cargo residues or small remaining quantities from tanks and lines after main discharge, ensuring tanks are as empty as safely possible.

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Drenaje de carga

Removal of cargo residues or small quantities from tanks and pipelines after main discharge, ensuring tanks are as empty as safely possible.

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Emisión de vapor

Release of vapours from cargo tanks or lines, controlled and monitored to prevent hazardous exposure, pollution, or breach of port regulations.

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Encuesta de Calado

A method of determining the weight of cargo loaded or discharged by measuring the vessel’s draft marks before and after cargo operations.

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Encuesta de Ullage

The process of measuring the empty space (ullage) in a cargo tank to determine the amount of liquid cargo loaded or remaining.

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Enjuague de línea

Process of cleaning cargo or ballast pipelines by circulating water, air, or another fluid to remove remaining product and contaminants.

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Enjuague de línea

Process of cleaning pipelines by circulating water, air, or another fluid to remove product and contaminants.

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Enlace terminal

The appointed person or office responsible for communication and coordination between ship and terminal during cargo operations.

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Enlace terminal

The person or office responsible for communication and coordination between ship and terminal during cargo operations.

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Escotilla de Ullage

A small tank opening used for manual ullage measurements and sampling of cargo on oil and chemical tankers.

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Evaluación del sloshing

Evaluation of the movement and impact of liquid cargo within a tank caused by ship motion, to assess risks of structural damage or stability issues.

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Expansión de carga

The increase in cargo volume due to temperature rise, requiring careful calculation and monitoring to avoid overflow or tank overpressure.

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Filtro de bomba

A filtering device fitted to the suction side of cargo or ballast pumps to prevent entry of solid particles and debris that could damage the pump or impede flow.

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Gas Inerte

A non-flammable gas used to reduce the oxygen content in cargo tanks, preventing explosion risks during the transport or handling of petroleum and chemical cargoes.

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Intercambio de Lastre

The procedure of replacing ballast water taken from one area with water from another, to minimize the spread of invasive species and comply with ballast water management regulations.

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Lastre Segregado

Ballast water held in tanks completely separated from cargo oil and fuel systems, used to ensure no contamination occurs, per MARPOL requirements.

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Lavado con Crudo

The process of cleaning cargo tanks using high-pressure crude oil jets during or after discharge to reduce residual cargo and improve safety.

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Limpieza de tanque

Process of removing residues or remaining liquids from cargo tanks after discharge, often using air, inert gas, or pumps for safety and cleanliness.

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Llenado final

The final stage of tank filling during cargo loading, requiring slow rates and careful monitoring to prevent overfilling or spillage.

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Línea de Descenso

A flexible line or pipe used to transfer liquids vertically in a tank, commonly for sampling, loading, or discharging at specific depths.

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Línea de despojo

A dedicated pipeline onboard a tanker used to remove the final residues or small quantities of cargo remaining in tanks and lines after main transfer.

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Línea de retorno

A pipeline connecting cargo manifold or transfer system back to the tank, used for circulation or pressure control during loading, stripping, or line clearing.

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Línea de retorno

A pipeline connecting the manifold or transfer system back to a tank, used for circulating cargo, line clearing, or pressure control during loading and stripping.

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Maestro de Carga

The senior person responsible for supervising all cargo operations on board a tanker during loading, ensuring safety, communication, and regulatory compliance as per port and company procedures.

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Manguera de Carga

A flexible hose designed for transferring liquid cargo between ship and shore, constructed and tested for strength and compatibility with the handled product.

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Manómetro de Pistón

A pressure measurement device using a piston and cylinder assembly, typically used to calibrate pressure systems on tankers and monitor line pressures.

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Medición Cerrada

A method of measuring tank levels or taking samples without exposing tank contents to the atmosphere, using closed devices per ISGOTT and MARPOL standards.

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Medición por radar

Use of radar technology to measure tank level, ullage, or interface without contact, widely used for precise monitoring of liquid cargo.

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Mezcla de Carga

The controlled mixing of different cargoes or grades in a tank to achieve a specified product quality or specification, under terminal or charterer instructions.

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Monitoreo de tensiones

Continuous assessment of ship or tank structure for stress levels, especially during cargo operations, to ensure limits are not exceeded and prevent hull or tank damage.

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Muestreo de carga

Procedure for collecting representative samples of cargo for quality analysis, documentation, and regulatory compliance.

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Muestreo de Fondo

The process of collecting liquid samples from the bottom of a cargo tank to check for water, contaminants, or stratification before or after transfer.

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Muestreo de vapor

Procedure to collect representative samples of vapour from tanks or lines for safety, quality, or regulatory compliance testing.

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Muestreo de vapor

Procedure to collect samples of vapour from tanks or lines for safety, quality, or regulatory compliance testing.

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Máquina Butterworth

A mechanical rotating cleaning device used for washing and gas freeing ship cargo tanks using pressurized jets of water or cleaning fluid.

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Múltiple de Carga

A pipe assembly on a ship’s deck used for connecting shore hoses and controlling the transfer of liquid cargo to or from storage tanks.

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Operación de Inertización

The process of introducing inert gas into cargo tanks to reduce oxygen concentration, preventing flammable mixtures during loading, discharging, or tank cleaning.

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Parada de emergencia

Immediate cessation of cargo or bunker transfer operations, activated by crew or terminal, to prevent accidents or mitigate hazards.

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Pigging de línea

Mechanical cleaning of pipelines using a device known as a 'pig' to remove residues or blockages and ensure efficient flow in cargo lines.

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Presión de golpe de ariete

A sudden increase in pressure within a cargo pipeline or tank, usually caused by rapid valve closure or pump operation, posing risks of structural damage.

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Presión del Múltiple

The pressure measured at the cargo manifold during loading or discharging, crucial for monitoring safe and efficient cargo transfer.

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Presurización del Tanque

Maintaining a set positive pressure in a cargo tank, often using inert gas, to prevent air entry and reduce fire or explosion risk during volatile cargo operations.

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Prueba de Manguera

The procedure of pressure-testing cargo hoses with water or air before use to ensure integrity and compliance with international standards for safe cargo transfer.

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Purgado con nitrógeno

Introduction of nitrogen gas into tanks or pipelines to remove oxygen or flammable vapours, ensuring an inert atmosphere for safety during cargo operations.

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Radar de tanque

Radar-based electronic device for real-time measurement of cargo tank level, ullage, or interface, providing accurate, non-contact gauging.

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Recibidor de pig

A pressure vessel or chamber installed at the end of a pipeline to receive the pig after cleaning, used in cargo or ballast line maintenance.

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Recibidor de pig

A pressure vessel or chamber at the end of a pipeline to receive the pig after cleaning or product transfer, used in cargo or ballast line maintenance.

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Recirculación de tanque

The process of circulating cargo within a tank, using pumps and pipelines, to maintain uniform temperature and prevent stratification during storage or heating.

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Registro de temperatura

The continuous recording of temperature measurements within cargo tanks or lines to ensure safe transport and quality control of cargo.

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Rendimiento de la bomba

Assessment and monitoring of cargo pump efficiency, capacity, and operation to ensure optimal transfer rates and detect malfunction or wear.

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Retorno de Vapor

A pipeline or hose system connecting ship and shore to return displaced cargo vapours to the terminal during loading.

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Secuencia de carga

The planned order and method for loading cargoes into tanks to maintain vessel stability, prevent contamination, and comply with charter requirements.

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Secuencia de carga

The planned order and method for loading cargoes into tanks to maintain stability, prevent contamination, and comply with charter requirements.

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Secuenciación de Carga

The planned order and timing for loading, transferring, or discharging cargoes in different tanks to maintain stability and prevent contamination.

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Serpentina de calefacción

A tubular device installed inside cargo tanks for indirect heating of cargoes, especially heavy oils, to maintain suitable viscosity and flow.

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Sulfuro de hidrógeno

A highly toxic and flammable gas (H₂S) present in some crude oils and products; detection and management are critical for crew safety and compliance with regulations.

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Tratamiento de Lodos

The onboard process of managing and separating oil residues, tank washings, and mixtures for discharge or retention in slop tanks in compliance with MARPOL.

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Ventilación cerrada

Method of venting tank vapours through a controlled, closed system to prevent release of gases to the atmosphere, complying with port and MARPOL requirements.

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Ventilación de Tanques

The controlled release of vapours from a cargo tank through dedicated venting systems to prevent overpressure or vacuum during loading, discharge, or temperature changes.

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Válvula de pie

A non-return valve installed at the lower end of a suction line in cargo or ballast tanks, designed to prevent backflow and maintain pump prime.

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Válvula de Presión-Vacío

A safety device on cargo tank vent lines that automatically opens or closes to maintain safe pressure and prevent overpressure or vacuum conditions in the tank.

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Válvula de purga

A valve used to expel unwanted gases or residues from cargo lines, tanks, or machinery spaces, ensuring safe and inert conditions.

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Válvula de recirculación

A valve installed to control the return flow of condensed vapors or liquids back into a tank or system for process or safety reasons, commonly used in cargo tank inerting and heating cycles.

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