2.4 However, in some cases a human factors specialist may also be of significant value in the investigation. 3 Criteria for selecting whom to interview and the sequence of interviews Established maritime accident investigation procedures should be used in determining whom to interview for investigations involving consideration of fatigue. Safety concerns should be paramount in the scheduling of interviews. 4 Topics to be covered by investigator Among the topics relative to fatigue to be addressed during an investigation are the following: Personal experience, condition and behavior - Implementation of safety policy onboard - Activities prior to incident - Assigned duties at time of incident - Actual behavior at time of incident - Training and professional experience - Physical condition - Psychological, emotional, mental condition - Workload - Work-period/rest-period pattern - Relationship with other crewmembers - Living conditions Ship-specific factors and shipboard practices - Safety policy of company - Watchkeeping practices - Manning level - Shipboard organization - Master’s standing orders - Complexity of tasks - Level of automation - Reliability of equipment - Motion characteristics - Vibration, heat and noise levels - Quality of working and living environment - Cargo characteristics - Ship design - Use of multinational crew - Time reserved for safety training Crew-specific factors - Thoroughness of training - Experience - Crew composition (cohesiveness, morale, turnover, etc.) - In port duties - Opportunities for recreation - Crew competency and quality - Period on board the vessel - Period of continuous sea service External environmental factors - Weather and sea conditions - Port conditions - Density of vessel traffic - Ice conditions Shore-side management decisions - Scheduling of work and rest periods - Manning levels - Watchkeeping practices - Assignment of duties - Shore-ship-shore support and communication - Management policies - Voyage planning and port call schedules - Recreational facilities - Contractual and or industrial arrangements and agreements Government regulations - Implementation of International Conventions and Recommendations - Manning requirements - Training and certification requirements - Watchkeeping requirements - Workhour/rest period rules - Fitness standards and testing Appendix 1 POTENTIAL AREAS OF INQUIRY INTO FATIGUE FACTORS Note: The following questions are not designed to establish a chronological record, but to suggest areas of inquiry which might elicit subjective information from a seafarer who may or may not claim to have been in a state of "fatigue" at the time an accident occurred. Skillful questioning can help the investigator eliminate irrelevant lines of inquiry and focus on areas of greater potential significance.