IMCA Trainee Bell Diving Supervisor (TBDS) Course

(7 customer reviews)

From: 1,300.00


This intensive 24 hour course covers diving physics, diving physiology, leadership and chamber practice, dive bell procedures and legislation. The path to supervisor is covered in IMCA D013 Diving Supervisor and LST Certificate

What Does The TBDS E-Course Include?

E-Learning is IMCA’s preferred training method during the COVID19 Pandemic & TRAUMA Training e-learning courses are fully approved (IMCA-COVID Note).

  • This intensive 24 hour course covers diving physics, diving physiology, leadership and control, legislation and the duties of the Closed Bell diving supervisor (In U.K. & International sector).
  • From the point of booking, the student has access to a comprehensive pre-recorded e-learning lesson package. The lessons have helpful quizzes which guides you through the Physics, Anatomy, Legislation & procedures.
  • The course will run from Tuesday  to Friday and will consist of daily hour long ZOOM lectures hosted by a highly experienced Offshore Supervisor.
  • You will receive daily confirmation exams, which cover all the aspects of TADS program, the exams auto mark with instant feedback.
  • We will support you throughout the program & are able to identify areas of weakness to increase student specific support.
  • The Friday will consist of the final exam, this is conducted on the e-learning platform & monitored via zoom. The subjects include; Physics, Physiology, Diving Bell Practices, Chamber Practices & Legislation. You have 3hrs (you get an extra hr if English is your 2nd language).
  • With the new program, the student can elect to plough through the course at their own speed… over weeks (from the point of booking) or intensively over the course of the week.
TBDS Pre-Requisites For Course: 
  • Hold an IMCA recognised Closed Bell Diving Qualification (IMCA-Briefing Note)
  •  Have completed 400 closed bell lockout hours.
  • Hold an IMCA ADS certificate or completed the IMCA TADS course.
    • We offer a TADS fast-track course for guys needing both the TADS & TBDS Course. E-mail for information (

Upon successfully passing the TBDS Exam, you will receive:

  • A free ALST qualification.
  • Free enrolment onto our IMCA BDS Prep course. This will give you continued access to our extensive e-learning database and greatly increase your success in the eventual IMCA BDS exam.

The Path to BDS (Bell Diving Supervisors)

To be appointed as a Bell Diving Supervisor you must;

  • Have been recommended by a company  in accordance with the IMCA guidance on competence assurance and assessment.
  • Acted as a Trainee Air Diving Supervisor on at least 10 offshore commercial air dives.
    • Note: it is possible to do the TADS and TBDS Courses simultaneously.
  • Logged at least 350 panel hours (under direct supervision) offshore on a minimum of 50 bell runs over a minimum period of 90 days working as a Trainee Bell Diving Supervisor.
  • Logged at least 360 panel hours at any time working either as an LST or ALST.
  • Passed the IMCA Air & Closed Bell Diving Supervisor examinations.
  • NOTE: Application to sit the IMCA examination must be made within 3 years of successful completion of the TBDS training course and at least half the required panel hours logged within the 2 years prior to the application. 

IMCA Policy on BDS EXAM Failure & Resits: IMCA-InformationNote-1438

7 reviews for IMCA Trainee Bell Diving Supervisor (TBDS) Course

  1. Rory Bell (verified owner)

    I recently completed my courses, I found the e learning format great, it allows flexibility.

    The modules are very well presented and informative and the Zoom meetings are hosted by a very experienced former Diving OCM.

    I now feel confident moving forward in my new career and preparing for my final IMCA exams.

  2. surender (verified owner)

    I have completed my course in the month of Apr 2022. The modules were so easy to understand and those made me confident for my finals. Doubt clearing zoom meetings were organised by well experienced instructor. Quiz were nicely prepared. All the way I enjoyed the course and would recommend my diving colleagues to under go courses in this centre

  3. John Osborne (verified owner)

    Just completed TADS/TBDS as @ 5 Aug. Found the medium of online learning quite new…and if honest, took me some getting used. Ultimately, you get the training and resources required to allow you to take development to the next stage.

    Many thanks to Ian and Norman


  4. simon nicholson (verified owner)

    The TADS and TBDS courses run by Trauma Training are very well constructed courses, the elearning is good and gives the flexibility to study when you want to. Ian is always on hand to answer questions via email or phone, and the zoom lectures given by Norman are very useful for talking through different working scenarios.

    All in all an excellent basis for progressing onto the job of trainee supervisor.

  5. Jeffrey Scott (verified owner)

    What a great course. The information is so clearly presented, with references to the IMCA and legislative documents in each lecture clearly labeled. Ian’s strong background in critical care/hyperbaric medicine and life support is able to give far deeper and clearer explanations of physiology, physics, gases, diving medicine than anybody else in the industry.

    The online system worked flawlessly and lets you study at any time anywhere with an internet connection.

    My only mistake was signing up for the course a few days before thinking it would be all day lectures.

    I wish I had signed up sooner as it is just a great resource and I would have had more time to absorb the info at my own pace.

    Thanks you to Trauma Training I know how much effort this must have taken!

  6. Stephen Orr (verified owner)

    Trauma Training provide a great course. Having taken the DMTR course with Ian several times over the years, it’s great to see the no nonsense approach to teaching transfers so well to the TBDS course. The online learning makes this course very convenient. Being able to access the lessons from the minute you book means you can chip away at it over several weeks. Ian’s vast experience in the areas of advance trauma life support makes for some interesting tutorials and Normans daily zoom meetings talking through real life scenarios are a valuable insight to any would be supervisors. Can’t recommend the Trauma Training team enough, appreciate all your help and guidance, guys.

  7. David Mackay (verified owner)

    Great course provided by the trauma training team,
    the online Tads and Tbds course’s are well presented on a easy to use platform that is accessible 24/7.
    I was able to work through the homework at my own pace going back and forth till the material was understood.
    Ian was always available for any questions I had and was very helpful with getting me a start date for my courses in between my work rotation,
    Norman’s zoom lectures where very insightful , informative and bases on actual incidents within the offshore diving industry.
    Thanks very much to all at Trauma Training.

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