CMI Cheat Sheet 2026

The 30 highest-yield CMI facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Under the principle of subrogation in marine insurance, after paying a claim the insurer: → Acquires the right to pursue recovery from the party legally responsible for the loss
2. What distinguishes a Certified Marine Investigator certified professional from a non-certified practitioner? → Certification validates competency through standardized assessment against benchmarks
3. Which statement BEST describes the relationship between Certified Marine Investigator certification and industry evolution? → Requirements evolve periodically to reflect advances in knowledge and practice
4. When a CMI professional faces pressure to compromise professional standards, the BEST response is to: → Document the pressure and uphold professional standards
5. How does the CMI body of knowledge relate to daily professional practice? → It provides the foundational framework guiding decision-making and standard practices
6. What is the importance of case documentation in investigations? → Provides permanent record
7. What is the MOST effective way for new CMI professionals to build competency? → Combining formal education, mentored practice, and ongoing professional development
8. Which method helps preserve evidence integrity? → Chain of custody
9. During a marine structural failure investigation, which categories of documentary evidence should be collected as the highest priority? → Pre-existing defects, repair history, maintenance logs, and operational loading patterns
10. What is the PRIMARY purpose of obtaining CMI certification in Certified Marine Investigator? → To demonstrate verified competency and adherence to professional standards
11. In marine casualty assessment, 'proximate cause' is best defined as: → The dominant, effective cause of a loss without which the loss would not have occurred
12. In marine structural investigation, 'wasting' refers to which condition? → Reduction in metal plate or member thickness caused by corrosion or erosion
13. When a witness displays signs of trauma or emotional distress during an interview, the CMI investigator should: → Pause the interview, offer support, and resume only when the witness is ready to continue
14. When conducting a risk assessment for CMI operations, which factor should receive the HIGHEST priority? → Probability and severity of potential harm
15. What distinguishes a Certified Marine Investigator certified professional from a non-certified practitioner? → Certification validates competency through standardized assessment against benchmarks
16. Which body sets international maritime safety standards? → International Maritime Organization (IMO)
17. Which risk management approach is MOST effective for CMI professionals when evaluating potential workplace hazards? → Proactive hazard identification and assessment
18. Stress corrosion cracking in marine structural steel most commonly occurs when: → Sustained tensile stress combines simultaneously with exposure to a corrosive environment
19. What is the MOST effective way for new CMI professionals to build competency? → Combining formal education, mentored practice, and ongoing professional development
20. A CMI certified professional is asked to provide services outside their scope of competence. The CORRECT ethical response is to: → Decline and refer to a qualified professional
21. Fatigue cracks in a vessel's hull structure preferentially initiate at: → Stress concentration points such as cutouts, bracket toes, and weld terminations
22. A CMI investigator assisting with a marine insurance claim would most likely be asked to determine: → Whether the loss arose from a covered peril and the proximate cause of the casualty
23. What role do port state control inspections play? → Verify compliance with regulations
24. What distinguishes a Certified Marine Investigator certified professional from a non-certified practitioner? → Certification validates competency through standardized assessment against benchmarks
25. Which foundational principle is MOST important for success in Certified Marine Investigator? → Commitment to continuous learning, ethical practice, and quality outcomes
26. Which statement BEST describes the relationship between Certified Marine Investigator certification and industry evolution? → Requirements evolve periodically to reflect advances in knowledge and practice
27. In Certified Marine Investigator practice, what is the FIRST step when a safety hazard is identified in the workplace? → Immediately secure the area and report the hazard
28. Which documents are essential for marine accident investigations? → Maintenance records
29. When conducting a risk assessment for CMI operations, which factor should receive the HIGHEST priority? → Probability and severity of potential harm
30. Which document formally declares a vessel to be a constructive total loss in US marine insurance practice? → A Notice of Abandonment submitted by the shipowner to the insurer