Naval Safety Supervisor Chapter 4

Questions and Answers

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?

Mishap

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?

Mishap cause Signup and view all the answers

According to studies, what minimum percentage of mishaps are caused by the person involved in the mishap?

50% Signup and view all the answers

What technology deals with workplace designs that minimize body stress and maximize production?

Ergonomics Signup and view all the answers

If a mishap occurs because of a person's faulty depth perception, you should report which of the following cause factors for the incident?

Physical impairment Signup and view all the answers

The most common form of polydrug abuse is a mixture of which drugs?

Alcohol and any other drug (combined) Signup and view all the answers

Experience has shown that when people tackle new tasks, mishaps occur for what reason?

Lack of training Signup and view all the answers

Supervisors sometimes contribute to mishaps because they have a lack in which area?

Knowledge of the capabilities of their personnel Signup and view all the answers

To counterbalance the lack of understanding on a new job, an inexperienced person should be provided with what?

Training Signup and view all the answers

A mishap resulting from failure to require personnel to meet personnel qualification standards is called?

Administrative and supervisory factors Signup and view all the answers

A mishap caused by metal fatigue failure is classified as?

Material failure factors Signup and view all the answers

A mishap resulting from lack of quality assurance (QA) is termed?

Maintenance and support factors Signup and view all the answers

A mishap resulting from the accidental use of incorrect procedures is known as?

Administrative and supervisory factors Signup and view all the answers

The process used to eliminate mishap-producing causes before a mishap occurs is called mishap?

Mishap prevention Signup and view all the answers

Which method is preferred for controlling the impact of hazards?

Preventing the hazard at the design stage Signup and view all the answers

A barrier used to physically separate people from contact with hazards is known as?

Engineering controls Signup and view all the answers

Replacing an existing piece of equipment with a similar item having a lower hazard potential is called?

Substitution Signup and view all the answers

Using special operating procedures to reduce personnel exposure to hazards is termed?

Administrative controls Signup and view all the answers

Using chemical gloves, safety goggles, and so forth, when working with acids is referred to as?

Use of personal protective equipment (PPE) Signup and view all the answers

Using local exhaust ventilation to prevent airborne contaminants from passing through the worker's breathing zone is an example of?

Engineering controls Signup and view all the answers

An alleged imminent danger situation hazard report is received. An investigation should be conducted within what minimum amount of time?

24 hours Signup and view all the answers

When not satisfied with the response to a hazard report, military personnel can appeal through the chain of command to whom?

Deputy Assistant Secretary of Defense Signup and view all the answers

A safety-gram is used to report a hazard within a particular ship.

True Signup and view all the answers

What code expresses the risk that combines the elements of hazard severity and mishap probability?

Risk assessment code (RAC) Signup and view all the answers

A hazard that could cause death is assigned what hazard severity category?

I Signup and view all the answers

What RAC is assigned to a hazard that is immediately likely to cause a mishap and could result in death?

1 Signup and view all the answers

Which document contains the Hazard Abatement Plan for forces afloat?

CSMP Signup and view all the answers

Afloat, the interim control for a RAC 1 or 2 hazard must be approved by whom?

Commanding Officer Signup and view all the answers

Which elements improve hazard awareness in personnel?

Experience, education, training Signup and view all the answers

Who is responsible for mishap investigations?

All levels of supervision Signup and view all the answers

A mishap occurred in your shop. As the supervisor, you should conduct the mishap investigation for what reason?

Knowledge of the experience and characteristics of your personnel Signup and view all the answers

When conducting a mishap investigation, you should NOT ask witnesses what type of questions?

Who Signup and view all the answers

Mishaps and injuries are two separate occurrences.

True Signup and view all the answers

Privileged information is usually gathered by using which method?

Promise of confidentiality Signup and view all the answers

Witnesses will provide statements to mishap investigation boards under oath.

False Signup and view all the answers

Which item is considered privileged information?

Witness statements Signup and view all the answers

Which factor is key to a good investigation?

Investigator's training Signup and view all the answers

What is the first priority when mishaps occur?

Save lives Signup and view all the answers

A diagram of a mishap scene has what advantage over a photograph?

Shows less clutter Signup and view all the answers

A witness is defined as an insight provider to a mishap. Which elements can be classified as a witness?

Parts, People, Paper, Position Signup and view all the answers

Which witnesses or situations provide the most valuable information about how the mishap occurred?

People Signup and view all the answers

During a safety investigation afloat, how can you minimize the withholding of information?

Promise of confidentiality Signup and view all the answers

To assure witnesses that the information they provide will not be used against them, what form does a formal mishap investigation board use?

Advice to witnesses form Signup and view all the answers

When interviewing several witnesses, which step should you take to prevent them from forming a homogenized testimony?

Assign witnesses separate tasks at different locations Signup and view all the answers

You do NOT use Advice to Witness forms when performing which type of investigations?

Local mishap investigations Signup and view all the answers

What is considered the most difficult part of a mishap investigation?

Determining the sequence of events Signup and view all the answers

You may obtain information on previous mishaps from which commands?

Naval Safety Center, Systems commands and Type commanders Signup and view all the answers

YOU found criminal evidence during an informal investigation. Which action should you take?

Stop your investigation and inform your chain of command Signup and view all the answers

A departure from the norm which could become an element in the chain of events leading to a mishap is called?

Change Analysis Signup and view all the answers

A method of determining if a particular system, component, or equipment required planned maintenance is known as?

Fault tree analysis Signup and view all the answers

An analysis directed more at management than at hardware is called?

Technique of operations review Signup and view all the answers

An analysis that takes into account more supervisory and human factors is known as?

Management oversight and risk tree Signup and view all the answers

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.

Studying That Suits You

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Explore key concepts from Chapter 4 of the Naval Safety Supervisor course through these flashcards. Understand the critical definitions related to mishap investigations and learn how to prevent future occurrences. This quiz will help reinforce your understanding of safety protocols in a naval context.