Podcast
Questions and Answers
What is the primary purpose of a mishap investigation?
What is the primary purpose of a mishap investigation?
To determine the causes and prevent recurrences
An unplanned event that interrupts work and causes damage or injury describes what?
An unplanned event that interrupts work and causes damage or injury describes what?
Mishap
As a supervisor, you need to understand why mishaps occur for what reason?
As a supervisor, you need to understand why mishaps occur for what reason?
To better equip you to prevent mishap occurrence
Anything contributing to a mishap can be referred to as a/an?
Anything contributing to a mishap can be referred to as a/an?
According to studies, what minimum percentage of mishaps are caused by the person involved in the mishap?
According to studies, what minimum percentage of mishaps are caused by the person involved in the mishap?
What technology deals with workplace designs that minimize body stress and maximize production?
What technology deals with workplace designs that minimize body stress and maximize production?
If a mishap occurs because of a person's faulty depth perception, you should report which of the following cause factors for the incident?
If a mishap occurs because of a person's faulty depth perception, you should report which of the following cause factors for the incident?
The most common form of polydrug abuse is a mixture of which drugs?
The most common form of polydrug abuse is a mixture of which drugs?
Experience has shown that when people tackle new tasks, mishaps occur for what reason?
Experience has shown that when people tackle new tasks, mishaps occur for what reason?
Supervisors sometimes contribute to mishaps because they have a lack in which area?
Supervisors sometimes contribute to mishaps because they have a lack in which area?
To counterbalance the lack of understanding on a new job, an inexperienced person should be provided with what?
To counterbalance the lack of understanding on a new job, an inexperienced person should be provided with what?
A mishap resulting from failure to require personnel to meet personnel qualification standards is called?
A mishap resulting from failure to require personnel to meet personnel qualification standards is called?
A mishap caused by metal fatigue failure is classified as?
A mishap caused by metal fatigue failure is classified as?
A mishap resulting from lack of quality assurance (QA) is termed?
A mishap resulting from lack of quality assurance (QA) is termed?
A mishap resulting from the accidental use of incorrect procedures is known as?
A mishap resulting from the accidental use of incorrect procedures is known as?
The process used to eliminate mishap-producing causes before a mishap occurs is called mishap?
The process used to eliminate mishap-producing causes before a mishap occurs is called mishap?
Which method is preferred for controlling the impact of hazards?
Which method is preferred for controlling the impact of hazards?
A barrier used to physically separate people from contact with hazards is known as?
A barrier used to physically separate people from contact with hazards is known as?
Replacing an existing piece of equipment with a similar item having a lower hazard potential is called?
Replacing an existing piece of equipment with a similar item having a lower hazard potential is called?
Using special operating procedures to reduce personnel exposure to hazards is termed?
Using special operating procedures to reduce personnel exposure to hazards is termed?
Using chemical gloves, safety goggles, and so forth, when working with acids is referred to as?
Using chemical gloves, safety goggles, and so forth, when working with acids is referred to as?
Using local exhaust ventilation to prevent airborne contaminants from passing through the worker's breathing zone is an example of?
Using local exhaust ventilation to prevent airborne contaminants from passing through the worker's breathing zone is an example of?
An alleged imminent danger situation hazard report is received. An investigation should be conducted within what minimum amount of time?
An alleged imminent danger situation hazard report is received. An investigation should be conducted within what minimum amount of time?
When not satisfied with the response to a hazard report, military personnel can appeal through the chain of command to whom?
When not satisfied with the response to a hazard report, military personnel can appeal through the chain of command to whom?
A safety-gram is used to report a hazard within a particular ship.
A safety-gram is used to report a hazard within a particular ship.
What code expresses the risk that combines the elements of hazard severity and mishap probability?
What code expresses the risk that combines the elements of hazard severity and mishap probability?
A hazard that could cause death is assigned what hazard severity category?
A hazard that could cause death is assigned what hazard severity category?
What RAC is assigned to a hazard that is immediately likely to cause a mishap and could result in death?
What RAC is assigned to a hazard that is immediately likely to cause a mishap and could result in death?
Which document contains the Hazard Abatement Plan for forces afloat?
Which document contains the Hazard Abatement Plan for forces afloat?
Afloat, the interim control for a RAC 1 or 2 hazard must be approved by whom?
Afloat, the interim control for a RAC 1 or 2 hazard must be approved by whom?
Which elements improve hazard awareness in personnel?
Which elements improve hazard awareness in personnel?
Who is responsible for mishap investigations?
Who is responsible for mishap investigations?
A mishap occurred in your shop. As the supervisor, you should conduct the mishap investigation for what reason?
A mishap occurred in your shop. As the supervisor, you should conduct the mishap investigation for what reason?
When conducting a mishap investigation, you should NOT ask witnesses what type of questions?
When conducting a mishap investigation, you should NOT ask witnesses what type of questions?
Mishaps and injuries are two separate occurrences.
Mishaps and injuries are two separate occurrences.
Privileged information is usually gathered by using which method?
Privileged information is usually gathered by using which method?
Witnesses will provide statements to mishap investigation boards under oath.
Witnesses will provide statements to mishap investigation boards under oath.
Which item is considered privileged information?
Which item is considered privileged information?
Which factor is key to a good investigation?
Which factor is key to a good investigation?
What is the first priority when mishaps occur?
What is the first priority when mishaps occur?
A diagram of a mishap scene has what advantage over a photograph?
A diagram of a mishap scene has what advantage over a photograph?
A witness is defined as an insight provider to a mishap. Which elements can be classified as a witness?
A witness is defined as an insight provider to a mishap. Which elements can be classified as a witness?
Which witnesses or situations provide the most valuable information about how the mishap occurred?
Which witnesses or situations provide the most valuable information about how the mishap occurred?
During a safety investigation afloat, how can you minimize the withholding of information?
During a safety investigation afloat, how can you minimize the withholding of information?
To assure witnesses that the information they provide will not be used against them, what form does a formal mishap investigation board use?
To assure witnesses that the information they provide will not be used against them, what form does a formal mishap investigation board use?
When interviewing several witnesses, which step should you take to prevent them from forming a homogenized testimony?
When interviewing several witnesses, which step should you take to prevent them from forming a homogenized testimony?
You do NOT use Advice to Witness forms when performing which type of investigations?
You do NOT use Advice to Witness forms when performing which type of investigations?
What is considered the most difficult part of a mishap investigation?
What is considered the most difficult part of a mishap investigation?
You may obtain information on previous mishaps from which commands?
You may obtain information on previous mishaps from which commands?
YOU found criminal evidence during an informal investigation. Which action should you take?
YOU found criminal evidence during an informal investigation. Which action should you take?
A departure from the norm which could become an element in the chain of events leading to a mishap is called?
A departure from the norm which could become an element in the chain of events leading to a mishap is called?
A method of determining if a particular system, component, or equipment required planned maintenance is known as?
A method of determining if a particular system, component, or equipment required planned maintenance is known as?
An analysis directed more at management than at hardware is called?
An analysis directed more at management than at hardware is called?
An analysis that takes into account more supervisory and human factors is known as?
An analysis that takes into account more supervisory and human factors is known as?
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Study Notes
Mishap Investigation
- The primary purpose is to identify causes and prevent future incidents.
- Mishaps are unplanned events resulting in damage or injury.
Misunderstanding Mishap Causes
- Understanding mishap occurrences is crucial for effective prevention strategies.
- Any factor contributing to a mishap is termed a "mishap cause."
Human Factors in Mishaps
- Studies indicate that over 50% of mishaps are attributed to human error.
- Lack of training when individuals engage in new tasks often leads to mishaps.
Supervisory Factors
- Supervisors may contribute to mishaps due to insufficient understanding of their personnel's capabilities.
- Effective mishap prevention requires thorough training for inexperienced workers.
Types of Failure Factors
- Administrative and supervisory factors arise when personnel fail to meet qualification standards.
- Material failure factors can include issues like metal fatigue.
- Maintenance factors result from inadequate quality assurance.
Hazard Control
- Prevention at the design stage is preferred for minimizing hazards.
- Engineering controls involve barriers separating people from hazards.
- Substitution refers to replacing equipment with safer alternatives.
Personal Protective Equipment (PPE)
- Using PPE, such as gloves and goggles, is essential for protection against dangerous substances.
Hazard Reporting
- Investigations for reported imminent danger situations must happen within 24 hours.
- Military personnel can escalate hazard report dissatisfaction to the Deputy Assistant Secretary of Defense.
Risk Assessment
- The Risk Assessment Code (RAC) classifies hazards, with Category I indicating a potential death risk.
- RAC 1 is assigned to hazards that could cause immediate mishaps and potentially result in death.
Investigation Responsibility
- All supervisory levels are responsible for mishap investigations.
- Supervisors should conduct investigations due to their familiarity with personnel factors.
Investigation Techniques
- Avoid "who" questions during investigations to prevent leading witnesses.
- Information is more reliable when gathered under the promise of confidentiality.
- Witnesses can include people, documents, and physical evidence from the mishap scene.
Analysis and Documentation
- Changing processes can lead to mishaps, necessitating effective change analysis methods.
- Fault tree analysis is a technique for assessing required maintenance needs in systems.
Challenges in Investigations
- Determining the correct sequence of events is often the most challenging aspect of an investigation.
- Criminal evidence found during informal investigations must be reported to the chain of command immediately.
Reporting and Compliance
- Safety-grams can be used to report hazards specific to ships.
- Witness statements are considered privileged information in investigations.
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