IMCA ROV Competence Assessment: How to Prepare and Pass (2026 Guide)

The IMCA competency assessment is the gateway to formally recognised grades in the ROV industry. It's not a written exam and it's not a course — it's an evaluation of demonstrated competence in your actual work environment. Understanding what assessors look for helps you prepare properly and avoid common pitfalls.

The Framework: IMCA D 036

IMCA D 036 ('Guidance on Competence Assurance and Assessment for ROV Personnel') is the document that defines the competency standard. It's publicly available and worth reading in full before your assessment. It outlines the specific competencies required at each grade, the evidence required, and the assessment methodology.

What the Assessment Actually Evaluates

Assessors are looking for evidence across three domains:

• Knowledge: can you explain why you do things, not just what you do?
• Skills: can you demonstrate the practical tasks to the required standard?
• Behaviour: do you operate safely, communicate effectively, and respond appropriately to unexpected situations?

The third domain — behaviour — is frequently underestimated by candidates. An assessor is watching how you handle a system fault, how you communicate with your supervisor when something unexpected happens, and whether you make decisions that prioritise safety over task completion. Technical competence without sound judgement does not pass.

The Role of Your Logbook

Your logbook is the primary evidence document for the assessment. Assessors will review it in detail before any practical evaluation. What they're looking for:

• Complete entries for every dive — no gaps or missing fields
• Supervisor signatures on every relevant entry
• Breadth of experience — varied system types, depths, and task types
• Hours that meet the threshold for the grade being assessed
• Evidence of progressive responsibility over time
• Anomalies or incidents logged honestly with corrective action noted

Practical Assessment Components

The practical component varies by grade and the assessor's approach, but typically covers:

• Pre-dive inspection of the vehicle — demonstrating systematic check procedure
• Vehicle operation — flying the ROV to complete a defined task
• Fault diagnosis — responding to a simulated or real equipment fault
• Maintenance tasks — demonstrating specific procedures (o-ring replacement, connector maintenance, etc.)
• Documentation — completing a dive log entry to the required standard
• Emergency procedures — knowledge and response to simulated emergencies

Common Reasons for Assessment Failure

• Logbook does not support the hours or experience claimed
• Missing supervisor signatures on key entries
• Unable to explain the reasoning behind procedures — can do but can't explain
• Poor communication during practical tasks — talking over the supervisor, not confirming instructions
• Unsafe decision-making during fault scenarios — prioritising task completion over safety
• Gaps in knowledge about the specific systems operated

Preparing for Your Assessment

• Review IMCA D 036 — know the competency criteria for your target grade
• Audit your logbook before submission — check for gaps, missing signatures, and consistency
• Be able to explain every procedure you perform, not just perform it
• Practice talking through what you're doing while operating — assessors value candidates who communicate naturally
• Know the emergency procedures for the systems you're assessed on
• Be honest about gaps in your experience — an assessor respects self-awareness; they don't respect people who bluff

After the Assessment

If successful, your grade is recorded by your employer and recognised across IMCA member companies. If unsuccessful, assessors are required to provide specific feedback — use it. A failed assessment with clear feedback is more valuable than an untested claim of competence. Most pilots who fail and reapply with targeted preparation pass on the second attempt.