B-09 HUMAN FACTORS

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Questions and Answers

What percentage of airplane accidents today are attributed to human error?

80% (correct)

100%

50%

20%

According to findings from the FAA, what proportion of maintenance failures involves human factors?

50%

70%

60%

80% (correct)

In a study of major accidents, what percentage was attributed to maintenance and inspection factors?

20%

12% (correct)

30%

What was the ratio of machine-related accidents to human error-related accidents in the early days of flight?

80% machine, 20% human Signup and view all the answers

What is the current distribution of causes for airplane accidents?

80% human error, 20% machine failure Signup and view all the answers

What is the primary focus of Maslow’s Hierarchy of Needs?

Understanding motivation and human needs Signup and view all the answers

Which of the following contributes to a positive safety culture within an organization?

Encouraging reporting of errors without punishment Signup and view all the answers

What concept describes the cycle that occurs when individuals or organizations place blame for failures?

The Blame Cycle Signup and view all the answers

What is a characteristic of a blame-free culture that is mentioned as undesirable?

It discourages open communication Signup and view all the answers

Which of the following best describes peer pressure?

Positive or negative influence from others in one's social group Signup and view all the answers

What is meant by 'culpability' in organizational behavior?

The responsibility for actions or lack thereof Signup and view all the answers

What is a key component of teamwork?

Effective communication among team members Signup and view all the answers

What does the term 'safety culture' encompass in an organization?

The shared beliefs and practices regarding safety Signup and view all the answers

Why is it advisable to provide a detailed checklist for tasks with complex, multi-step processes?

It helps workers remember all the steps. Signup and view all the answers

What is one of the basic principles of error management mentioned?

Errors can originate from any level of experience. Signup and view all the answers

How can human limitations in aircraft maintenance be countered?

Through strategic design of work practices. Signup and view all the answers

What is a common error factor identified in different organizations?

Repetitive errors across various settings. Signup and view all the answers

What is a recommended practice when workers are engaged in complex tasks?

They should not be disturbed by others. Signup and view all the answers

What is one characteristic of humans that affects their performance in aircraft maintenance?

Humans are not nocturnal animals. Signup and view all the answers

Which element does NOT contribute to effective error management strategies?

Random chance. Signup and view all the answers

What aspect of human factors is critical to aircraft maintenance performance?

Awareness of human limitations. Signup and view all the answers

Which factor does not affect visual acuity?

Temperature of the environment Signup and view all the answers

What causes long sightedness?

A shorter than normal eyeball Signup and view all the answers

Which type of lens corrects short sightedness?

Concave lens Signup and view all the answers

What happens to the lens of the eye as a person ages?

It cannot adjust sufficiently Signup and view all the answers

Which of the following environmental factors can limit visual acuity?

Distance of the object from the viewer Signup and view all the answers

How does a convex lens improve long sightedness?

By bending light inwards before it reaches the cornea Signup and view all the answers

Which of the following can impair visual acuity due to ingestion?

Alcohol Signup and view all the answers

What visual impairment occurs when the eyeball is longer than normal?

Short sightedness Signup and view all the answers

What does parallax error primarily affect in older instruments?

The accuracy of the instrument readings Signup and view all the answers

How can smoking cigarettes specifically affect eyesight?

By causing hypoxia through carbon monoxide buildup Signup and view all the answers

What is a potential consequence of not noticing deteriorating vision for aircraft maintenance workers?

Increased likelihood of accidents due to impaired vision Signup and view all the answers

Which factors can adversely affect vision?

Drugs, alcohol, and smoking Signup and view all the answers

Why might airlines set eyesight standards for their workers?

For insurance purposes and safety considerations in aircraft maintenance Signup and view all the answers

What action is crucial for aircraft maintenance engineers to ensure their vision remains adequate?

Undergo regular vision testing Signup and view all the answers

What is one of the impacts of alcohol on eyesight?

It can cause temporary visual impairments Signup and view all the answers

Which of the following is NOT a method to recognize impaired vision for maintenance tasks?

Relying on recommendations from family and friends Signup and view all the answers

What is the primary factor influencing the degree of hearing impairment due to noise exposure?

Intensity of the noise Signup and view all the answers

What causes temporary hearing loss due to loud sounds?

Hair-like cells in the inner ear bending Signup and view all the answers

What is tinnitus associated with in terms of hearing exposure?

Sudden exposure to loud sound Signup and view all the answers

Which of the following measures must employers take regarding noise exposure?

Provide free ear protection and explain its use Signup and view all the answers

What is presbycusis?

Age-related deterioration of hearing Signup and view all the answers

How does continuous exposure to high noise levels affect hearing over time?

Causes irreversible damage to hair-like cells Signup and view all the answers

Which strategy is recommended for managing noise in the workplace?

Creating physical barriers to reduce noise exposure Signup and view all the answers

What is the first type of sound that is usually affected by presbycusis?

High-pitched sounds Signup and view all the answers

Study Notes

Module 09: Human Factors

This module covers human factors in aviation, specifically aircraft maintenance
It outlines knowledge levels for Category B1 and B2 licences
Knowledge levels are defined as 1, 2, or 3

Knowledge Levels

Level 1: Basic understanding of the subject, able to give a simple description using common words and examples
Level 2: General knowledge of theoretical and practical aspects; ability to apply that knowledge
Level 3: Detailed knowledge of theoretical and practical aspects; ability to combine and apply knowledge in a logical and comprehensive manner

Table of Contents Summary

General human factors information (including the need to account for human factors)
Models and models relating to aircraft maintenance and the workforce
Case studies of incidents and accidents
Human performance limitations (Vision and Hearing)
Error management
Organisational culture
Responsibility, motivation, and demotivation
Fatigue and stress
Dealing with people and their differing motivations
Hazards and safety
Work, including workloads, procedures, and tools
Other study topics

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Description

Test your knowledge on the impact of human error in aviation accidents and maintenance failures. This quiz also explores the principles of safety culture and Maslow’s Hierarchy of Needs as they relate to organizations. Challenge yourself with these critical concepts in aviation safety.