ADAS Part 1:

Commercial Scuba Diving to 30 m

Your diving certification begins here.

This entry-level commercial diving qualification allows you to undertake commercial scuba diving operations to a maximum of 30 metres.

This diving course takes 4 weeks and runs directly before Part 2, so you can complete the combined course if you wish.

Tasks include:

  • Search techniques
  • Simple hand tool use
  • Surveys – visual and video
  • Full face masks with voice communications
  • Reserve air systems
  • Emergency rescue techniques
  • Nil visibility diving.


You must:

  • Be at least 18 years of age
  • Swim 200m unassisted
  • Hold a recreational dive ticket (e.g. PADI)
  • Hold a recognised first aid qualification, Current CPR and  Oxygen Management (or Advanced Resuscitation) qualifications
  • Complete a commercial divers medical (for a list of Hyperbaric doctors see
  • Have a Unique Student Identifier number (USI). You can create this at

Please bring all your original entry requirement paperwork to Day One of your course, including your USI number.

The enrolment process.

  • Use the Contact Us form or call us for further information and enrolment details.
  • You have secured your place on your selected course once we’ve received your enrolment form and deposit.We’ll send you a confirmation of receipt and an electronic copy of our handbook. This gives you all the information about the course, accommodation, what is expected of you and what you need to bring. We recommend you print it off and bring it with you to your first class.
  • Important Note:
    You don’t need to have all your entry requirements upon enrolment. However, it’s up to you to make sure you’ve met all these requirements before starting your course.




    DURATION: 4 weeks

    (all followed by ADAS Part 2)

    • 21 October 2024

    Units of Competency.

      Work safely in hyperbaric operations
      • Apply knowledge of hyperbaric operations
      • Identify hazards and risk controls
      • Apply knowledge of the changes on the hyperbaric worker
      • Recognise and report illnesses
      Maintain effective working relationships within dive or hyperbaric operations team
      • Communicate effectively within a team
      • Establish and maintain effective working relationships
      • Contribute to effective teamwork.
      • Follow routine instructions.
      Calculate with whole numbers and familiar fractions, decimals and percentages for work
      • Identify and interpret routine mathematical information
      • Undertake routine mathematical processes
      • Check and communicate results
      Contribute to health and safety of self and others
      • Work safely
      • Implement work safety requirements
      • Participate in WHS consultative processes
      Apply knowledge of anatomy, physiology and diving physics to diving
      • Apply knowledge to diving safety
      • Use common units of measurement for pressure, volume and temperature
      • Apply knowledge to diving operations
      • Apply knowledge of implications to diving operations
      • Apply knowledge of pressure and gases and their effect on diving operations
      • Use decompression tables to calculate safe diving profiles
      • Apply knowledge of the principle of buoyancy
      • Apply knowledge of the behaviour of light and sound underwater
      Assess diving casualty and assist with treatment of diving conditions
      • Assess and establish the needs of a diving casualty
      • Give first aid to a diving casualty
      • Assist in treatment of diving related ill health conditions / illnesses
      • Identify and explain the uses and limitations of compression chambers
      • Identify and describe the layout and explain the functions of compression chambers
      Utilise and maintain SCUBA equipment
      • Operate, inspect and maintain personal dive equipment
      • Use, inspect and maintain compressors
      • Fill gas cylinders, applying appropriate safety procedures
      • Outline air quality testing procedures
      Undertake pre-dive preparations for a SCUBA diving operation
      • Check and prepare equipment
      • Dress correctly
      • Assist another diver to dress correctly
      • Assist the dive supervisor to prepare a plan
      Undertake underwater deployment in a SCUBA diving operation
      • Demonstrate appropriate safety-critical underwater skills
      • Dive in open water to a maximum depth of 30 m using SCUBA diving equipment
      • Communicate using hand and line signals and voice communications equipment
      • Use decompression procedures
      • Act as diver’s attendant in a SCUBA diving operation
      Implement emergency procedures for SCUBA
      • Act as surface standby diver
      • Act as in-water standby diver
      • Act in an emergency situation
      • Act in a self rescue emergency situation
      • Identify and describe the conduct of a therapeutic recompression
      Undertake post-dive procedures for a SCUBA diving operation
      • Conduct immediate post-dive personal and equipment checks
      • Undress correctly on completion of a SCUBA diving operation
      • Assist another diver to undress correctly on completion of a SCUBA diving operation
      • Carry out post dive equipment checks
      • Clean equipment
      • Ensure proper care and storage of equipment
      Perform underwater tasks for a diving operation
      • Identify techniques for underwater lifting tasks
      • Use underwater measurement and inspection techniques
      • Undertake simple underwater searches and surveys of seabed and objects
      • Use, inspect and maintain hand tools to complete simple construction tasks
      Ensure health and safety in occupational diving in compliance with legislation
      • Conform to statutory requirements for occupational health and safety in diving operations
      • Conform to general requirements of Standards and codes of practice
      • Maintain health and safety of individual and others
      • Undertake site and task specific risk assessment and select appropriate risk control measures
      Work effectively in the occupational diving industry
      • Work effectively in the occupational diving industry
      • Read and interpret conditions of certification and renewal requirements
      • Identify professional development options through workplace experience
      • Keep relevant records to demonstrate workplace experience

      Take the first step towards a successful career in diving today.