Please select a discipline to view performance criteria, underpinning knowledge and assessment plan documentation.


Air Diving Supervisor

Job Summary:

An Air Diving Supervisor is regarded as someone who is fully conversant in all air diving activities associated with the subsea marine operations.

They can successfully supervise the Dive Team during operations and will report directly to the Diving Superintendent/Offshore Project Manager when offshore.

The Air Diving Supervisor is expected to coach and assess members of the Dive Team and act as a witness during the competence assessment process.

Entry Level Specifications:

  • An appropriate HSE/IMCA diving qualification
  • min 3 years as an Air Diver
  • Demonstrated competence as an offshore Air Diver (in accordance with IMCA C003) and has completed 200 commercial dives as an Air Diver
  • Complete and pass Air Dive Supervisor training courses
  • 200 hours as a trainee Supervisor on the air control panel on a minimum of 100 surface dives over a minimum period of 60 days
  • Demonstrated competence as an air diving Supervisor in accordance with IMCA guidelines C003 by the end of the period as a 'trainee' supervisor
  • Sit and pass IMCA Air Diving Supervisor examination
  • Current and valid survival certificate
  • Current and valid medical certificate
  • Has received training in the aspects of leadership
  • Completed employer company familiarisation

The following competencies will be assessed through performance criteria:

CompetenciesPerformance CriteriaUnderpinning Knowledge Questions
1) The ability to implement and supervise company safety management systems in accordance with legislative and operating company requirements PDF Icon PDF Icon
2) The ability to supervise air diving operations in a safe and reliable manner PDF Icon PDF Icon
3) The ability to supervise diving decompression in a safe and reliable manner PDF Icon PDF Icon
4) The ability to supervise a team during all operational activities in a safe and reliable manner PDF Icon PDF Icon
5) The ability to supervise emergency procedures as required on the vessel or installation where operations take place PDF Icon PDF Icon
6) The ability to supervise umbilical handling requirements during dive operations PDF Icon PDF Icon
Supporting Documentation (click on arrow head to expand):
Assessment Plan
  • An assessment planning meeting should be conducted before an activity is assessed.
  • In practice this may take place at the beginning of the project and include your Assessor and if applicable any witnesses who may be involved in the assessment.
  • The Assessment form allows you to record what will be assessed, when, where and how it will be assessed.
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Assessment Feedback Form
  • An Assessment Feedback meeting should take place between you and your assessor once the assessment is complete.
  • It should provide an opportunity for your Assessor to inform you what went well or perhaps not so well.
  • Most importantly it will allow your Assessor to provide you with constructive feedback on how to address areas of weakness, if applicable, and achieve competence.
  • The Assessment Feedback form provides a written record of your feedback.
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Assessor Sign off Form
  • The Assessor Sign Off Form should be downloaded, printed and completed by your Assessors.
  • It provides the MTCS verification team with a 'snapshot' overview of the competencies you have completed and who has assessed them over a Range of at least 3 activities.
  • You should ensure this form is filled in each time you do an assessment, and eventually submitted as part of your evidence.
  • Please note that MTCS reserve the right contact an assessor, as part of the verification process, to confirm authenticity of evidence submitted.
  • Please use one sign off form per assessor.
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Record of Witnesses Form
  • The Record of Witness Form should be downloaded, printed and completed by anyone who acts as a Witness during your assessments.
  • It provides the MTCS verification team with a 'snapshot' overview of the competencies you have completed and who has acted as a witness.
  • You should ensure this form is filled in each time you do an assessment, and eventually submitted as part of your evidence.
  • Please note that MTCS reserve the right contact a Witness, as part of the verification process, to confirm authenticity of evidence submitted. Please use one record of witness form per witness.
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Witness Statement
  • The Witness Statement should be completed by your line manager, Offshore Manager (or equivalent) or Agent.
  • It confirms that you are working in the role for you which you are certifying, and have the required amount of operational time in the role.
  • It also requires them to confirm you are deemed competent against IMCA guidelines for the role.
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