IMCA Trainee Bell Diving Supervisor (TBDS) Course

From: 1,300.00

This intensive 24 hour course is for experienced commercial offshore divers who wish to progress to the internationally recognised IMCA Bell Diving Supervisor exam.

Course Pre-Requsite

  • Hold an IMCA approved Clossed Bell Diving Qualification
  • Completed 400 lockout hours
  • Hold an IMCA-approved Trainee Air Dive Supervisor certificate (this can be obtained simultaneously with the TBDS course).
  • IMCA D013 Diving Supervisor and LST Certificate


TBDS Course Structure

This intensive 24 hour course covers diving physics, diving physiology, leadership and chamber practice, dive bell procedures and legislation.

Because of the effects COVID-19, IMCA have permitted the use of an E-Learning approach with this program.

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

TRAUMA Training has been one of the pioneering training centres who have rapidly developed effective E-learning formats that have proved very popular with students. Since rolling out this style of learning the student success rates have dramatically increased.

From the point of booking, the student has access to a comprehensive pre-recorded lesson package. The lessons have helpful quizzes which guides you through the content. The lessons have the appropriate legislation embedded into to lessons, greatly reducing student study time. The student can work through the content at their own pace & use our interactive tools to perfect their physics.

The course will run from Monday to Friday and will consist of daily hour long ZOOM lectures hosted by a highly experienced Offshore Supervisor / OCM. You will receive daily confirmation exams, which cover all the aspects of TDBS program, the exams auto mark with instant feedback / working-out. 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 hosted on our e-learning platform and monitored via ZOOM.

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.

Enrolment on the TBDS Course Comes With:

  • 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.

Closed Bell (Sat) Diving Supervisors

To be appointed as a Bell Diving Supervisor in writing by a Diving Contractor,  you must fulfill the following requirements:

  • 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 training course and at least half the required panel hours logged within the 2 years prior to the application.


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