Section A-III/7 Mandatory minimum requirements for certification of electro-technical rating
Clasification Society 2023 - Version 9.37

Section A-III/7 Mandatory minimum requirements for certification of electro-technical rating

Standard of Competence

1 Every electro-technical rating serving on a seagoing ship powered by main propulsion machinery of 750 kW propulsion power or more shall be required to demonstrate the competence to perform the functions at the support level, as specified in column 1 of table A-III/7.

  2 The minimum knowledge, understanding and proficiency required of an electro-technical rating serving on a seagoing ship powered by main propulsion machinery of 750 kW propulsion power or more is listed in column 2 of table A-III/7.

  3 Every candidate for certification shall be required to provide evidence of having achieved the required standard of competence in accordance with the methods for demonstrating competence and the criteria for evaluating competence specified in columns 3 and 4 of table A-III/7.

Table A-III/7 Specification of minimum standard of competence for electro-technical ratings

Function: Electrical, electronic and control engineering at the support level
Column 1 Column 2 Column 3 Column 4
Competence Knowledge, understanding and proficiency Methods for demonstrating competence Criteria for evaluating competence
Safe use of electrical equipment Safe use and operation of electrical equipment, including:
  • .1 safety precautions before commencing work or repair
  • .2 isolation procedures
  • .3 emergency procedures
  • .4 different voltages on board


Knowledge of the causes of electric shock and precautions to be observed to prevent shock
Assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 practical training
  • .3 examination
  • .4 approved training ship experience
Understands and follows safety instructions of electrical equipment and machinery

Recognizes and reports electrical hazards and unsafe equipment

Understands safe voltages for hand-held equipment

Understands risks associated with high-voltage equipment and onboard work
Contribute to monitoring the operation of electrical systems and machinery Basic knowledge of the operation of mechanical engineering systems, including:
  • .1 prime movers, including main propulsion plant
  • .2 engine-room auxiliary machineries
  • .3 steering systems
  • .4 cargo-handling systems
  • .5 deck machineries
  • .6 hotel systems


Basic knowledge of:
  • .1 electro-technology and electrical machines theory
  • .2 electrical power distribution boards and electrical equipment
  • .3 fundamentals of automation, automatic control systems and technology
  • .4 instrumentation, alarm and monitoring systems
  • .5 electrical drives
  • .6 electro-hydraulic and electro-pneumatic control systems
  • .7 coupling, load sharing and changes in electrical configuration
Assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 practical training
  • .3 examination
  • .4 approved training ship experience
Knowledge that ensures:
  • .1 operation of equipment and system is in accordance with operating manuals
  • .2 performance levels are in accordance with technical specifications
Use hand tools, electrical and electronic measurement equipment for fault finding, maintenance and repair operations Safety requirements for working on shipboard electrical systems

Application of safe working practices

Basic knowledge of:
  • .1 construction and operational characteristics of shipboard AC and DC systems and equipment
  • .2 use of measuring instruments, machine tools, and hand and power tools
Assessment of evidence obtained from one or more of the following:
  • .1 approved workshop skills training
  • .2 approved practical experience and tests
Implementation of safety procedures is satisfactory

Selection and use of test equipment is appropriate and interpretation of results is accurate

Selection of procedures for the conduct of repair and maintenance is in accordance with manuals and good practice
Contribute to shipboard maintenance and repair Ability to use lubrication and cleaning materials and equipment

Knowledge of safe disposal of waste materials

Ability to understand and execute routine maintenance and repair procedures

Understanding manufacturer’s safety guidelines and shipboard instructions
Assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 practical training
  • .3 examination
  • .4 approved training ship experience
Maintenance activities are carried out in accordance with technical, safety and procedural specifications

Selection and use of equipment and tools is appropriate
Contribute to the maintenance and repair of electrical systems and machinery on board Safety and emergency procedures

Basic knowledge of electro-technical drawings and safe isolation of equipment and associated systems required before personnel are permitted to work on such plant or equipment

Test, detect faults and maintain and restore electrical control equipment and machinery to operating condition

Electrical and electronic equipment operating in flammable areas

Basics of ship’s fire-detection system

Carrying out safe maintenance and repair procedures

Detection of machinery malfunction, location of faults and action to prevent damage

Maintenance and repair of lighting fixtures and supply systems
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, where appropriate
  • .4 approved laboratory equipment training
The effect of malfunctions on associated plant and systems is accurately identified, ship’s technical drawings are correctly interpreted, measuring and calibrating instruments are correctly used and actions taken are justified

Isolation, dismantling and reassembly of plant and equipment is in accordance with manufacturer’s safety guidelines and shipboard instructions
Function: Controlling the operation of the ship and care for persons on board at the support level
Column 1 Column 2 Column 3 Column 4
Competence Knowledge, understanding and proficiency Methods for demonstrating competence Criteria for evaluating competence
Contribute to the handling of stores Knowledge of procedures for safe handling, stowage and securing of stores Assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 practical training
  • .3 examination
  • .4 approved training ship experience
Stores stowage operations are carried out in accordance with established safety practices and equipment operating instructions

The handling of dangerous, hazardous and harmful stores complies with established safety practices

Communications within the operator’s area of responsibility are consistently successful
Apply precautions and contribute to the prevention of pollution of the marine environment Knowledge of the precautions to be taken to prevent pollution of the marine environment

Knowledge of use and operation of anti-pollution equipment/agents

Knowledge of approved methods for disposal of marine pollutants
Assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 practical training
  • .3 examination
  • .4 approved training ship experience
Procedures designed to safeguard the marine environment are observed at all times
Apply occupational health and safety procedures Working knowledge of safe working practices and personal shipboard safety, including:
  • .1 electrical safety
  • .2 lockout/tag-out
  • .3 mechanical safety
  • .4 permit to work systems
  • .5 working aloft
  • .6 working in enclosed spaces
  • .7 lifting techniques and methods of preventing back injury
  • .8 chemical and biohazard safety
  • .9 personal safety equipment
Assessment of evidence obtained from one or more of the following:
  • .1 approved in-service experience
  • .2 practical training
  • .3 examination
  • .4 approved training ship experience
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 at all times

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