Mixed Deck — All CMI Topics Flashcards

The 'SHELL model' in human factors analysis is used to examine interactions between which components?

Answer: Software, Hardware, Environment, Liveware (human), and Liveware (others)

The SHELL model evaluates the interfaces between the central human (Liveware) and Software, Hardware, Environment, and other humans to identify failure points.

Under the USCG marine investigation process, a 'formal investigation' (Marine Board of Investigation) is convened when:

Answer: A casualty involves loss of life, serious injury, major environmental damage, or significant public interest warranting a formal proceeding

A Marine Board of Investigation is convened for the most serious casualties — those involving loss of life, severe injuries, substantial pollution, or significant public interest — where a formal adversarial proceeding is warranted.

What is the MOST effective way for new CMI professionals to build competency?

Answer: Combining formal education, mentored practice, and ongoing professional development

Building competency requires formal education, mentored practice, and ongoing development.

What is the purpose of flag state jurisdiction?

Answer: To regulate ships under their flag

Flag state jurisdiction refers to the authority a country has over vessels registered under its flag, regardless of where they are operating. This jurisdiction means the flag state is responsible for ensuring its ships comply with international maritime conventions and national laws concerning safety, environmental protection, and crew welfare. It is a fundamental principle of international maritime law that assigns accountability for vessel operations.

Which document would a CMI most likely use to establish a vessel's navigational track during an incident investigation?

Answer: AIS (Automatic Identification System) data records

AIS data provides a timestamped navigational track of a vessel's position, speed, and course, making it critical evidence in casualty investigations.

When a CMI cites 'human factors' as a contributing cause in a report, which model is most commonly referenced to explain how errors occur in complex systems?

Answer: The 'Swiss cheese model' of accident causation developed by James Reason

James Reason's Swiss cheese model illustrates how multiple layers of defense with individual weaknesses can align to allow errors to propagate through a system and cause accidents.

Under 46 CFR Part 4, what is the required timeframe for a vessel operator to report a marine casualty involving a death to the nearest Coast Guard sector?

Answer: Immediately, by the most practicable means

46 CFR 4.05-1 requires immediate notification by the most practicable means for casualties involving death, serious injury, or significant property damage.

The International Convention on Standards of Training, Certification and Watchkeeping (STCW) primarily governs which aspect of maritime operations?

Answer: Seafarer competency and certification

STCW establishes minimum qualification standards for masters, officers, and watch personnel on seagoing vessels.

What does the GZ curve (righting lever curve) represent in a vessel's stability diagram?

Answer: The righting lever (arm) distance at various angles of heel

The GZ curve plots the righting lever—the horizontal distance between the lines of action of buoyancy and gravity—at successive angles of heel, providing a complete picture of the vessel's stability across its range of inclination.

How should evidence be presented in reports?

Answer: Linked to findings

Evidence in investigation reports must be directly linked to the findings to establish credibility and demonstrate a factual basis for conclusions. This structured presentation allows readers to clearly understand how specific pieces of evidence support the assertions made in the report. It ensures transparency and helps verify the thoroughness of the investigative process.

Which statement BEST describes the relationship between Certified Marine Investigator certification and industry evolution?

Answer: Requirements evolve periodically to reflect advances in knowledge and practice

Certification requirements evolve to keep pace with professional and technological advances.

Which of the following best describes the 'funnel technique' used during witness interviews in marine investigations?

Answer: Starting with broad open-ended questions and progressively narrowing to specific details

The funnel technique starts with open narrative questions to allow free recall, then narrows to specific follow-up questions without leading the witness.

What type of evidence is crucial in forensic marine investigations?

Answer: Physical evidence

Physical evidence is crucial in forensic marine investigations because it provides tangible, objective proof directly related to the incident. This can include wreckage, machinery components, electronic data, or material samples, offering concrete facts that are less susceptible to bias than witness accounts. Analyzing physical evidence scientifically allows investigators to reconstruct events, determine causes, and validate other information.

In vessel structural terminology, 'hogging' is best described as:

Answer: The midship section of the hull bending upward relative to the bow and stern

Hogging occurs when buoyancy is concentrated amidships (e.g., when a vessel rides a wave crest) causing the midship section to arch upward, placing the deck in compression and the keel in tension—resembling a hog's arched back.

MARPOL Annex I regulates the discharge of which pollutant from ships?

Answer: Oil and oily mixtures

MARPOL Annex I specifically addresses prevention of pollution by oil, setting discharge limits and requiring oil record books.

Which organization publishes the York-Antwerp Rules that govern general average adjustments in international marine practice?

Answer: The Comité Maritime International (CMI)

The Comité Maritime International (CMI) is the private international law organization responsible for drafting and periodically revising the York-Antwerp Rules on general average.

Which statement BEST describes the relationship between Certified Marine Investigator certification and industry evolution?

Answer: Requirements evolve periodically to reflect advances in knowledge and practice

Certification requirements evolve to keep pace with professional and technological advances.

Under the Oil Pollution Act of 1990 (OPA 90), a responsible party for a vessel oil spill is required to:

Answer: Establish financial responsibility up to the applicable liability limit and pay removal costs and damages

OPA 90 requires vessel owners and operators to demonstrate financial responsibility (via COFR) and makes them strictly liable for removal costs and specified damages up to statutory limits.

What is the first step in a marine accident investigation?

Answer: Securing the accident scene

The first and most critical step in any marine accident investigation is securing the accident scene. This action prevents further damage, preserves crucial evidence from being lost or tampered with, and ensures the safety of personnel. A properly secured scene allows investigators to accurately document conditions and collect reliable information for analysis.

A marine investigator discovers that a vessel's fire detection system was inoperable for weeks prior to a casualty. Under ISM Code, this most likely indicates a failure of:

Answer: The company's Safety Management System maintenance procedures

A persistent equipment deficiency indicates a breakdown in the ISM Code's requirement for systematic preventive maintenance procedures within the Safety Management System.