Standard of competence
Clasification Society 2024 - Version 9.40

Standard of competence

  1 Every candidate for certification in basic training for oil and chemical tanker cargo operations shall be required to:

  • .1 demonstrate the competence to undertake the tasks, duties and responsibilities listed in column 1 of table A-V/1-1-1; and

  • .2 provide evidence of having achieved:

    • .2.1 the minimum knowledge, understanding and proficiency listed in column 2 of table A-V/1-1-1, and

    • .2.2 the required standard of competence in accordance with the methods for demonstrating competence and the criteria for evaluating competence tabulated in columns 3 and 4 of table A-V/1-1-1.

  2 Every candidate for certification in advanced training for oil tanker cargo operations shall be required to:

  • .1 demonstrate the competence to undertake the tasks, duties and responsibilities listed in column 1 of table A-V/1-1-2; and

  • .2 provide evidence of having achieved:

    • .2.1 the minimum knowledge, understanding and proficiency listed in column 2 of table A-V/1-1-2, and

    • .2.2 the required standard of competence in accordance with the methods for demonstrating competence and the criteria for evaluating competence tabulated in columns 3 and 4 of table A-V/1-1-2.

  3 Every candidate for certification in advanced training for chemical tanker cargo operations shall be required to:

  • .1 demonstrate the competence to undertake the tasks, duties and responsibilities listed in column 1 of table A-V/1-1-3; and

  • .2 provide evidence of having achieved:

    • .2.1 the minimum knowledge, understanding and proficiency listed in column 2 of table A-V/1-1-3, and

    • .2.2 the required standard of competence in accordance with the methods for demonstrating competence and the criteria for evaluating competence tabulated in columns 3 and 4 of table A-V/1-1-3.

Table A-V/1-1-1 Specification of minimum standard of competence in basic training for oil and chemical tanker cargo operations

Column 1 Column 2 Column 3 Column 4
Competence Knowledge, understanding and proficiency Methods for demonstrating competence Criteria for evaluating competence
Contribute to the safe cargo operation of oil and chemical tankers Basic knowledge of tankers:
  • .1 types of oil and chemical tankers
  • .2 general arrangement and construction


Basic knowledge of cargo operations:

  • .1 piping systems and valves
  • .2 cargo pumps
  • .3 loading and unloading
  • .4 tank cleaning, purging, gas-freeing and inerting


Basic knowledge of the physical properties of oil and chemicals:

  • .1 pressure and temperature, including vapour pressure/temperature relationship
  • .2 types of electrostatic charge generation
  • .3 chemical symbols


Knowledge and understanding of tanker safety culture and safety management
Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
Communications within the area of responsibility are clear and effective

Cargo operations are carried out in accordance with accepted principles and procedures to ensure safety of operations
Take precautions to prevent hazards Basic knowledge of the hazards associated with tanker operations, including:
  • .1 health hazards
  • .2 environmental hazards
  • .3 reactivity hazards
  • .4 corrosion hazards
  • .5 explosion and flammability hazards
  • .6 sources of ignition, including electrostatic hazards
  • .7 toxicity hazards
  • .8 vapour leaks and clouds


Basic knowledge of hazard controls:

  • .1 inerting, water padding, drying agents and monitoring techniques
  • .2 anti-static measures
  • .3 ventilation
  • .4 segregation
  • .5 cargo inhibition
  • .6 importance of cargo compatibility
  • .7 atmospheric control
  • .8 gas testing


Understanding of information on a Material Safety Data Sheet (MSDS)
Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
Correctly identifies, on an MSDS, relevant cargo-related hazards to the vessel and to personnel, and takes the appropriate actions in accordance with established procedures

Identification and actions on becoming aware of a hazardous situation conform to established procedures in line with best practice
Apply occupational health and safety precautions and measures Function and proper use of gas-measuring instruments and similar equipment

Proper use of safety equipment and protective devices, including:
  • .1 breathing apparatus and tank-evacuating equipment
  • .2 protective clothing and equipment
  • .3 resuscitators
  • .4 rescue and escape equipment


Basic knowledge of safe working practices and procedures in accordance with legislation and industry guidelines and personal shipboard safety relevant to oil and chemical tankers, including:
  • .1 precautions to be taken when entering enclosed spaces
  • .2 precautions to be taken before and during repair and maintenance work
  • .3 safety measures for hot and cold work
  • .4 electrical safety
  • .5 ship/shore safety checklist
Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
Procedures for entry into enclosed spaces are observed.

Procedures and safe working practices designed to safeguard personnel and the ship are observed at all times

Appropriate safety and protective equipment is correctly used
  Basic knowledge of first aid with reference to a Material Safety Data Sheet (MSDS)   First aid do’s and don’ts
Carry out fire-fighting operations Tanker fire response organization and action to be taken

Fire hazards associated with cargo handling and transportation of hazardous and noxious liquids in bulk

Fire-fighting agents used to extinguish oil and chemical fires

Fixed fire-fighting foam system operations

Portable fire-fighting foam operations

Fixed dry chemical system operations

Spill containment in relation to fire-fighting operations
Practical exercises and instruction conducted under approved and truly realistic training conditions (e.g., simulated shipboard conditions) and, whenever possible and practicable, in darkness Initial actions and follow-up actions on becoming aware of fire on board conform with established practices and procedures

Action taken on identifying muster signal is appropriate to the indicated emergency and complies with established procedures

Clothing and equipment are appropriate to the nature of the fire-fighting operations

The timing and sequence of individual actions are appropriate to the prevailing circumstances and conditions

Extinguishment of fire is achieved using appropriate procedures, techniques and fire-fighting agents
Respond to emergencies Basic knowledge of emergency procedures, including emergency shutdown Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
The type and impact of the emergency is promptly identified and the response actions conform to the emergency procedures and contingency plans
Take precautions to prevent pollution of the environment from the release of oil or chemicals Basic knowledge of the effects of oil and chemical pollution on human and marine life

Basic knowledge of shipboard procedures to prevent pollution

Basic knowledge of measures to be taken in the event of spillage, including the need to:
  • .1 report relevant information to the responsible persons
  • .2 assist in implementing shipboard spill-containment procedures
Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
Procedures designed to safeguard the environment are observed at all times

Table A-V/1-1-2 Specification of minimum standard of competence in advanced training for oil tanker cargo operations

Column 1 Column 2 Column 3 Column 4
Competence Knowledge, understanding and proficiency Methods for demonstrating competence Criteria for evaluating competence
Ability to safely perform and monitor all cargo operations Design and characteristics of an oil tanker

Knowledge of oil tanker design, systems and equipment, including:
  • .1 general arrangement and construction
  • .2 pumping arrangement and equipment
  • .3 tank arrangement, pipeline system and tank venting arrangement
  • .4 gauging systems and alarms
  • .5 cargo heating systems
  • .6 tank cleaning, gas-freeing and inerting systems
  • .7 ballast system
  • .8 cargo area venting and accommodation ventilation
  • .9 slop arrangements
  • .10 vapour recovery systems
  • .11 cargo-related electrical and electronic control system
  • .12 environmental protection equipment, including Oil Discharge Monitoring Equipment (ODME)
  • .13 tank coating
  • .14 tank temperature and pressure control systems
  • .15 fire-fighting systems


Knowledge of pump theory and characteristics, including types of cargo pumps and their safe operation

Proficiency in tanker safety culture and implementation of safety-management system

Knowledge and understanding of monitoring and safety systems, including the emergency shutdown

Loading, unloading, care and handling of cargo

Ability to perform cargo measurements and calculations

Knowledge of the effect of bulk liquid cargoes on trim, stability and structural integrity

Knowledge and understanding of oil cargo-related operations, including:
  • .1 loading and unloading plans
  • .2 ballasting and deballasting
  • .3 tank cleaning operations
  • .4 inerting
  • .5 gas-freeing
  • .6 ship-to-ship transfers
  • .7 load on top
  • .8 crude oil washing


Development and application of cargo-related operation plans, procedures and checklists

Ability to calibrate and use monitoring and gas-detection systems, instruments and equipment
Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
Communications are clear, understood and successful

Cargo operations are carried out in a safe manner, taking into account oil tanker designs, systems and equipment

Cargo operations are planned, risk is managed and carried out in accordance with accepted principles and procedures to ensure safety of operations and avoid pollution of the marine environment

Potential non-compliance with cargo-operation-related procedures is promptly identified and rectified

Proper loading, stowage and unloading of cargoes ensures that stability and stress conditions remain within safe limits at all times

Actions taken and procedures followed are correctly applied and the appropriate shipboard cargo-related equipment is properly used

Calibration and use of monitoring and gas-detection equipment comply with operational practices and procedures

Procedures for monitoring and safety systems ensure that all alarms are detected promptly and acted upon in accordance with established emergency procedures
  Ability to manage and supervise personnel with cargo-related responsibilities   Personnel are allocated duties and informed of procedures and standards of work to be followed, in a manner appropriate to the individuals concerned and in accordance with safe operational practices
Familiarity with physical and chemical properties of oil cargoes Knowledge and understanding of the physical and chemical properties of oil cargoes

Understanding the information contained in a Material Safety Data Sheet (MSDS)
Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
Effective use is made of information resources for identification of properties and characteristics of oil cargoes and related gases, and their impact on safety, the environment and vessel operation
Take precautions to prevent hazards Knowledge and understanding of the hazards and control measures associated with oil tanker cargo operations, including:
  • .1 toxicity
  • .2 flammability and explosion
  • .3 health hazards
  • .4 inert gas composition
  • .5 electrostatic hazards


Knowledge and understanding of dangers of non-compliance with relevant rules/regulations
Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
Relevant cargo-related hazards to the vessel and to personnel associated with oil tanker cargo operations are correctly identified, and proper control measures are taken
Apply occupational health and safety precautions Knowledge and understanding of safe working practices, including risk assessment and personal shipboard safety relevant to oil tankers:
  • .1 precautions to be taken when entering enclosed spaces, including correct use of different types of breathing apparatus
  • .2 precautions to be taken before and during repair and maintenance work
  • .3 precautions for hot and cold work
  • .4 precautions for electrical safety
  • .5 use of appropriate Personal Protective Equipment (PPE)
Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
Procedures designed to safeguard personnel and the ship are observed at all times

Safe working practices are observed and appropriate safety and protective equipment is correctly used


Working practices are in accordance with legislative requirements, codes of practice, permits to work and environmental concerns

Correct use of breathing apparatus

Procedures for entry into enclosed spaces are observed
Respond to emergencies Knowledge and understanding of oil tanker emergency procedures, including:
  • .1 ship emergency response plans
  • .2 cargo operations emergency shutdown
  • .3 actions to be taken in the event of failure of systems or services essential to cargo
  • .4 fire-fighting on oil tankers
  • .5 enclosed space rescue
  • .6 use of a Material Safety Data Sheet (MSDS)


Actions to be taken following collision, grounding, or spillage
Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
The type and impact of the emergency is promptly identified and the response actions conform with established emergency procedures and contingency plans

The order of priority, and the levels and time-scales of making reports and informing personnel on board, are relevant to the nature of the emergency and reflect the urgency of the problem

Evacuation, emergency shutdown and isolation procedures are appropriate to the nature of the emergency and are implemented promptly



  Knowledge of medical first aid procedures on board oil tankers   The identification of and actions taken in a medical emergency conform to current recognized first aid practice and international guidelines
Take precautions to prevent pollution of the environment Understanding of procedures to prevent pollution of the atmosphere and the environment Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
Operations are conducted in accordance with accepted principles and procedures to prevent pollution of the environment
Monitor and control compliance with legislative requirements Knowledge and understanding of relevant provisions of the International Convention for the Prevention of Pollution from Ships (MARPOL), as amended, and other relevant IMO instruments, industry guidelines and port regulations as commonly applied Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
The handling of cargoes complies with relevant IMO instruments and established industrial standards and codes of safe working practice

Table A-V/1-1-3 Specification of minimum standard of competence in advanced training for chemical tanker cargo operations

Column 1 Column 2 Column 3 Column 4
Competence Knowledge, understanding and proficiency Methods for demonstrating competence Criteria for evaluating competence
Ability to safely perform and monitor all cargo operations Design and characteristics of a chemical tanker

Knowledge of chemical tanker designs, systems, and equipment, including:
  • .1 general arrangement and construction
  • .2 pumping arrangement and equipment
  • .3 tank construction and arrangement
  • .4 pipeline and drainage systems
  • .5 tank and cargo pipeline pressure and temperature control systems and alarms
  • .6 gauging control systems and alarms
  • .7 gas-detecting systems
  • .8 cargo heating and cooling systems
  • .9 tank cleaning systems
  • .10 cargo tank environmental control systems
  • .11 ballast systems
  • .12 cargo area venting and accommodation ventilation
  • .13 vapour return/recovery systems
  • .14 fire-fighting systems
  • .15 tank, pipeline and fittings’ material and coatings
  • .16 slop management


Knowledge of pump theory and characteristics, including types of cargo pumps and their safe operation

Proficiency in tanker safety culture and implementation of safety management system
Examination and assessment of evidence obtained from one or more of the following:
.1 =

approved in-service experience

.2 =

approved training ship experience

.3 =

approved simulator training

.4 =

approved training programme

Communications are clear, understood and successful

Cargo operations are carried out in a safe manner, taking into account chemical tanker designs, systems and equipment

Cargo operations are planned, risk is managed and carried out in accordance with accepted principles and procedures to ensure safety of operations and avoid pollution of the marine environment
  Knowledge and understanding of monitoring and safety systems, including the emergency shutdown system

Loading, unloading, care and handling of cargo

Ability to perform cargo measurements and calculations

Knowledge of the effect of bulk liquid cargoes on trim and stability and structural integrity

Knowledge and understanding of chemical cargo-related operations, including:
  • .1 loading and unloading plans
  • .2 ballasting and deballasting
  • .3 tank cleaning operations
  • .4 tank atmosphere control
  • .5 inerting
  • .6 gas-freeing
  • .7 ship-to-ship transfers
  • .8 inhibition and stabilization requirements
  • .9 heating and cooling requirements and consequences to adjacent cargoes
  • .10 cargo compatibility and segregation
  • .11 high-viscosity cargoes
  • .12 cargo residue operations
  • .13 operational tank entry


Development and application of cargo-related operation plans, procedures and checklists
  Procedures for monitoring and safety systems ensure that all alarms are detected promptly and acted upon in accordance with established procedures

Proper loading, stowage and unloading of cargoes ensures that stability and stress conditions remain within safe limits at all times

Potential non-compliance with cargo-related procedures is promptly identified and rectified

Actions taken and procedures followed are correctly identified and appropriate shipboard cargo-related equipment is properly used
  Ability to calibrate and use monitoring and gas-detection systems, instruments and equipment   Calibration and use of monitoring and gas-detection equipment are consistent with safe operational practices and procedures
  Ability to manage and supervise personnel with cargo-related responsibilities   Personnel are allocated duties and informed of procedures and standards of work to be followed, in a manner appropriate to the individuals concerned and in accordance with safe operational practices
Familiarity with physical and chemical properties of chemical cargoes Knowledge and understanding of the chemical and the physical properties of noxious liquid substances, including:
  • .1 chemical cargoes categories (corrosive, toxic, flammable, explosive)
  • .2 chemical groups and industrial usage
  • .3 reactivity of cargoes


Understanding the information contained in a Material Safety Data Sheet (MSDS)
Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
Effective use is made of information resources for identification of properties and characteristics of noxious liquid substances and related gases, and their impact on safety, environmental protection and vessel operation
Take precautions to prevent hazards Knowledge and understanding of the hazards and control measures associated with chemical tanker cargo operations, including:
  • .1 flammability and explosion
  • .2 toxicity
  • .3 health hazards
  • .4 inert gas composition
  • .5 electrostatic hazards
  • .6 reactivity
  • .7 corrosivity
  • .8 low-boiling-point cargoes
  • .9 high-density cargoes
  • .10 solidifying cargoes
  • .11 polymerizing cargoes


Knowledge and understanding of dangers of non-compliance with relevant rules/regulations
Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
Relevant cargo-related hazards to the vessel and to personnel associated with chemical tanker cargo operations are correctly identified, and proper control measures are taken
Apply occupational health and safety precautions Knowledge and understanding of safe working practices, including risk assessment and personal shipboard safety relevant to chemical tankers:
  • .1 precautions to be taken when entering enclosed spaces, including correct use of different types of breathing apparatus
  • .2 precautions to be taken before and during repair and maintenance work
  • .3 precautions for hot and cold work
  • .4 precautions for electrical safety
  • .5 use of appropriate Personal Protective Equipment (PPE)
Examination and assessment of evidence obtained from one or more of the following:
  • .1approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
Procedures designed to safeguard personnel and the ship are observed at all times

Safe working practices are observed and appropriate safety and protective equipment is correctly used

Working practices are in accordance with legislative requirements, codes of practice, permits to work and environmental concerns

Correct use of breathing apparatus

Procedures for entry into enclosed spaces are observed
Respond to emergencies Knowledge and understanding of chemical tanker emergency procedures, including:
  • .1 ship emergency response plans
  • .2 cargo operations emergency shutdown
  • .3 actions to be taken in the event of failure of systems or services essential to cargo
  • .4 fire fighting on chemical tankers
  • .5 enclosed space rescue
  • .6 cargo reactivity
  • .7 jettisoning cargo
  • .8 use of a Material Safety Data Sheet (MSDS)


Actions to be taken following collision, grounding, or spillage

Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
The type and impact of the emergency is promptly identified and the response actions conform with established emergency procedures and contingency plans

The order of priority, and the levels and time-scales of making reports and informing personnel on board, are relevant to the nature of the emergency and reflect the urgency of the problem

Evacuation, emergency shutdown and isolation procedures are appropriate to the nature of the emergency and are implemented promptly
  Knowledge of medical first aid procedures on board chemical tankers, with reference to the Medical First Aid Guide for Use in Accidents involving Dangerous Goods (MFAG)   The identification of and actions taken in a medical emergency conform to current recognized first aid practice and international guidelines
Take precautions to prevent pollution of the environment Understanding of procedures to prevent pollution of the atmosphere and the environment Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
Operations are conducted in accordance with accepted principles and procedures to prevent pollution of the environment
Monitor and control compliance with legislative requirements Knowledge and understanding of relevant provisions of the International Convention for the Prevention of Pollution from Ships (MARPOL) and other relevant IMO instruments, industry guidelines and port regulations as commonly applied

Proficiency in the use of the IBC Code and related documents
Examination and assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 approved training ship experience
  • .3 approved simulator training
  • .4 approved training programme
The handling of cargoes complies with relevant IMO instruments and established industrial standards and codes of safe working practice

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