1726 | Tank Ship Liquefied Gases

Course Number: 1726
Course Length: 40 hours
Minimum Class Size: 2
Maximum Class Size: 12
Price: $2,000.00

Please bring picture ID on first day of class

SKU: 1726 Category:


Any applicant who successfully completes the Tank Ship Liquefied Gases (MIDATL-508) course will satisfy:

1. The training requirements of 46 CFR 13.201)c)(4) for an endorsement as Tankerman-PIC LG and 13.201(c)(4) for an endorsement as Tankerman-PIC (Barge) LG; and

2. The requirements of 46 CFR 13.607(a)(2), 46 CFR 13.607(b)(2), 46 CFR 13.607(c)(2) and STCW, as amended 2010, Table A-V/1-2-2 for an STCW endorsement for Advanced Liquefied Gas Tanker Cargo Operations.

NOTE: The course will also satisfy training requirements for endorsements as Tankerman-Assistant LG, Tankerman-Engineer LG, and STCW, as amended 2010, Table A-V/1-2-1 for an STCW endorsement for Basic Liquefied Gas Tanker Cargo Operations.

Successful completion of this course will provide the seafarer with an advanced understanding of the operations of tank vessels including the international and federal regulations under which they operate. Special attention is given to the prevention of air and water pollution and to the development of a safety culture. Specifically, this course covers the training of tankermen in the characteristics, arrangements, operations and systems of tank ships, the regulatory environment under which they operate, and measures to prevent or mitigate pollution of the air and sea as required by 46 CFR Part 13 and the STCW Code, Regulations V/1-2 and Sections A-V/1-2-1, A-V/1-2-2. Upon completion of this course and meeting the relevant experience requirements, the student should qualify for USCG endorsement as Tankerman – PIC Liquefied Gas, be knowledgeable of, and have proficiency in the following areas:

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


Ability to safely perform and monitor all cargo operations

Knowledge, understanding, and proficienc

Design and characteristics of a liquefied gas tanker

  •  Knowledge of liquefied gas tanker design, systems and equipment, including:
      1. types of liquefied gas tankers and cargo tanks construction
      2. general arrangement and construction
      3. cargo containment systems, including materials of construction and insulation
      4. cargo-handling equipment and instrumentation, including:
          1. cargo pumps and pumping arrangements
          2. cargo pipelines and valves
          3. expansion devices
          4. flame screens
          5. temperature monitoring systems
          6. cargo tank level-gauging systems
          7. tank pressure monitoring and control systems
      5. cargo temperature maintenance system
      6. tank atmosphere control systems (inert gas, nitrogen), including storage, generation and distribution systems
      7. cofferdam heating systems
      8. gas-detecting systems
      9. ballast system
      10. .boil-off systems
      11. reliquefaction systems
      12. cargo Emergency Shut Down system (ESD)
      13. custody transfer system
  • Knowledge of pump theory and characteristics, including types of cargo pumps and their safe operation
  • Loading, unloading, care and handling of cargo
  • Knowledge of the effect of bulk liquid cargoes on trim and stability and structural integrity
  • Proper loading, stowage and unloading of liquefied gas cargoes ensures that stability and stress conditions remain within safe limits at all times
  • Proficiency in tanker safety culture and implementation of safety management requirements
  • Proficiency to apply safe preparations, procedures and checklists for all cargo operations, including:
      1. post docking and loading:
        1. tank inspection
        2. inerting (O2 reduction, dewpoint reduction)
        3. gassing-up
        4. cooling down
        5. loading
        6. deballasting
        7. sampling, including closed-loop sampling
      2. sea passage:
        1. cooling down
        2. pressure maintenance
        3. boil-off
        4. inhibiting
      3. unloading:
        1. unloading
        2. ballasting
        3. stripping and cleaning systems
        4. systems to make the tank liquid-free
      4. pre-docking preparation:
        1. warm-up
        2. inerting
        3. gas-freeing
      5. ship-to-ship transfer
  • Proficiency to perform cargo measurements and calculations, including:
      1. liquid phase
      2. gas phase
      3. On Board Quantity (OBQ)
      4. Remain On Board (ROB)
      5. boil-off cargo calculations
  • Proficiency to manage and supervise personnel with cargo-related responsibilities

Competence:  Familiarity with physical and chemical properties of liquefied gas cargoes

Knowledge, understanding, and proficiency

  • Knowledge and understanding of basic chemistry and physics and the relevant definitions related to the safe carriage of liquefied gases in bulk in ships, including:
    1. the chemical structure of gases
    2. the properties and characteristics of liquefied gases (including CO2) and their vapours, including:
      1. simple gas laws
      2. states of matter
      3. liquid and vapour densities
      4. diffusion and mixing of gases
      5. compression of gases
      6. reliquefaction and refrigeration of gases
      7. critical temperature of gases and pressure
      8. flashpoint, upper and lower explosive limits, auto-ignition temperature
      9. compatibility, reactivity and positive segregation of gases
      10. polymerization
      11. saturated vapour pressure/reference temperature
      12. dewpoint and bubble point
      13. lubrication of compressors
      14. hydrate formation
    3. the properties of single liquids
    4. the nature and properties of solutions
    5. thermodynamic units
    6. basic thermodynamic laws and diagrams
    7. properties of materials
    8. effect of low temperature – brittle fracture
  • Understanding the information contained in a Material Safety Data Sheet (MSDS)

Competence:  Take precautions to prevent hazards

Knowledge, understanding, and proficiency

  • Knowledge and understanding of the hazards and control measures associated with liquefied gas tanker cargo operations, including:
      1. flammability
      2. explosion
      3. toxicity
      4. reactivity
      5. corrosivity
      6. health hazards
      7. inert gas composition
      8. electrostatic hazards
      9. polymerizing cargoes
  • Proficiency to calibrate and use monitoring and gas-detection systems, instruments and equipment
  • Knowledge and understanding of dangers of non-compliance with relevant rules/regulations

Competence:  Apply occupational health and safety precautions

Knowledge, understanding, and proficiency

  • Knowledge and understanding of safe working practices, including risk assessment and personal shipboard safety relevant to liquefied gas tankers, including:
      1. precautions to be taken when entering enclosed spaces (such as compressor rooms), including the correct use of different types of breathing apparatus
      2. precautions to be taken before and during repair and maintenance work, including work affecting pumping, piping, electrical and control systems
      3. precautions for hot and cold work
      4. precautions for electrical safety
      5. use of appropriate Personal Protective Equipment (PPE)
      6. precautions for cold burn and frostbite
      7. proper use of personal toxicity monitoring equipment

Competence:  Respond to emergencies

Knowledge, understanding, and proficiency

  • Knowledge and understanding of liquefied gas tanker emergency procedures, including:
  1. ship emergency response plans
  2. cargo operations emergency shutdown procedure
  3. emergency cargo valve operations
  4. actions to be taken in the event of failure of systems or services essential to cargo operations
  5. fire-fighting on liquefied gas tankers
  6. jettisoning of cargo
  7. enclosed space rescue
  • Actions to be taken following collision, grounding or spillage and envelopment of the ship in toxic or flammable vapour
  • Knowledge of medical first-aid procedures and antidotes on board liquefied gas tankers, with reference to the Medical First Aid Guide for Use in Accidents involving Dangerous Goods (MFAG)

Competence:  Take precautions to prevent pollution of the environment

Knowledge, understanding, and proficiency

  • Understanding of procedures to prevent pollution of the atmosphere and the environment

Competence:  Monitor and control compliance with legislative requirements

Knowledge, understanding, and proficiency

  • 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 and IGC Codes and related documents

Recommended Study Material:

Tanker Operations: A Handbook for the Person-in-Charge (PIC); 4th Edition Mark Huber, based on three earlier editions by Greg Marton 2001. 392 pp. Illustrations. Tables. Index. 6 x 9. Cornell Maritime Press P.O. Box 456 Centreville, MD 21617 800-638-7641 ISBN 0-87033-528-6

Upcoming Course Dates:
Call 757-464-6008 For Class Availability

Class Starts at:   8:00 a.m.

Check-in Time Starts at:   7:00 a.m.

Required Course Tools:
No tools required for this course

Additional information

1726 Course Dates -->>

Call 757-464-6008 For Class Availability