Human Factors Module Human Factors in the Investigation of ...
MANAGING HUMAN FACTORS IN AEROSPACE - … & Human Factors While not a new concept, “Human...
Transcript of MANAGING HUMAN FACTORS IN AEROSPACE - … & Human Factors While not a new concept, “Human...
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MANAGING HUMAN FACTORS
IN AEROSPACE PRESENTATION R.0
© 2012 Oxebridge Quality Resources International LLC. All rights reserved.
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Course Outline
1. Overview – what are “Human Factors?”
2. Human Factors to Consider
3. Managing Human Factors
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What Are “Human Factors?” Part
One
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AS9110 & Human Factors
While not a new concept, “Human Factors” was
introduced in AS9110 Rev A (2009), and so many
organizations were introduced to it for the first time.
AS9110 requires that:
Training on Human Factors be conducted
Analysis of data pertaining to “human factors events”
be performed
Consider Human Factors in corrective and preventive
action activities (CARs)
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Origins
The idea of considering “human factors” came
from World War II, because there became a
need to manage how people operate complex
systems and equipment, both safely and
accurately.
After the war, US industries built upon the
ideas to ensure a safe workplace and to
reduce errors in manufacturing.
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Definition
AS9110 defines “Human Factors” as:
The study of how humans behave physically and
psychologically in relation to particular environments,
products or services and the potential effect on safety.
Recognition that personnel performing tasks are affected
by physical fitness, physiological characteristics,
personality, stress, fatigue, distraction, communication and
attitude in order to ensure a safe interface between the
personnel and all other environmental elements such as
other personnel, equipment, facilities, procedures and
data.
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Definition (in normal English)
This means:
Considering how people have to interact
With tools and equipment
With their work areas
With each other
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Definition (in normal English)
This means:
Thinking about managing things that can affect
your staff’s:
Physical abilities
Mental state (awareness, exhaustion, etc.)
Comprehension (ability to understand instructions)
Safety of tasks (as done by people)
Safety of product (as used by people)
.
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Aerospace / Aviation Application
The intent of managing Human Factors in
aerospace is to ensure work is done
accurately in order to:
Ensure the quality of the product or service
Ensure the efficiency of the process
Ensure the safety of the employee
Ensure the safety of users of the product or the
public
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Myth: HF = HR Function
Human Factors is not solely a function of
Human Resources (HR), or any one
department
Instead, management of Human Factors is
cross-functional, across many departments,
including management, HR, safety,
engineering, production, service, stores, etc.
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Benefits
Methods are designed around people, not the
other way around.
Safety improvements (for workers and users of
product)
Training improvements
Process improvements – human error reduced
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Human Factors to Consider Part
Two
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Keeping Human Factors in Mind
We must consider Human Factors during the
following activities:
Work planning
Facility and equipment design and planning
Maintenance, repair and inspection
Product design
General management
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Physical Human Factors
Physical Fatigue
Ergonomics
Will the work result in injury?
Physical Ability
Can employees physically “fit” in the work area?
Can the work be done safely?
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Mental Human Factors
Mental Fatigue
Comprehension
Can instructions be understood?
Are they presented in the clearest way?
Distraction
Interruption
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Things that derail HF
“Common sense”
“Operator error”
Management / engineers assuming their
audience has equivalent technical skill
Conducting MORE training to compensate for
over-complicated instructions or design
Tasks designed purely to maximize speed
(speed ≠ efficiency)
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Managing Human Factors Part
Three
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Work Planning
MENTAL: Are instructions written in a manner
that can be clearly understood by all intended
users?
MENTAL: Are their alternate ways to provide
instruction – other than documents – which
may be easier to understand by the intended
users? (For example: signs, illustrations,
photos, flowcharts, physical samples, etc.)
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Work Planning
MENTAL: Is the wording used too technical
for the reader?
MENTAL: Are instructions presented in the
language used by the reader?
MENTAL / PHYSICAL: Are schedules too
aggressive – will they automatically result in
rushed work, stressed employees, fatigue,
etc.?
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Work Planning
MENTAL / PHYSICAL: Do the instructions
and schedules attempt to minimize
concurrent tasks? For example, is there
adequate time allowed for one task to be
completed before another is begun?
PHYSICAL: Do instructions call out when
multiple employees must be utilized for a
single task (i.e., heavy lifting, task
coordination, “spotters,” etc.)
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Facility / Equipment Planning
PHYSICAL: Consider physical limitations of
the human body, and specifically of the
workers employed by the company
PHYSICAL: Safety considerations (confined
workspaces, overhead dangers, etc.)
PHYSICAL/MENTAL: Are flooring,
temperature, sound levels and lighting
sufficient for the work to be done?
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Facility / Equipment Planning
PHYSICAL: Floor layout – is it efficient
Are work areas separated by large unused
areas, requiring more walking and carrying of
items over large distances?
PHYSICAL: Can the equipment be easily
used by the operators?
Consider physical design of the tooling or
equipment.
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Facility / Equipment Planning
PHYSICAL: Are all facility safety
requirements met, per OSHA and other
regulations?
PHYSICAL / MENTAL: Do instructions for
maintenance, repair and instruction consider
the safe usage and performance of the
aircraft component or final product?
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Facility / Equipment Planning
MENTAL: Does the work area minimize
distractions?
Minimize noises such as radios, PA’s, etc.
Disallow walk through by non-authorized
personnel.
GENERAL: Consider the relationship
between HF and FOD reduction!
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Maintenance, Repair & Inspection
PHYSICAL: Are the proper tools readily
available for use?
MENTAL: Do operators understand complex
regulations or instructions?
MENTAL: Are forms – which may be
necessary to record work results – designed
in a way that makes them easy to use and
understand, to ensure they are filled out
accurately?
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Maintenance, Repair & Inspection
PHYSICAL: Can the work be performed
without risk of injury, whether major or minor?
GENERAL: Do work and inspection steps
ensure that the component, system or
product will operate safely?
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Maintenance, Repair & Inspection
PHYSICAL / MENTAL: Is the staff trained,
and staff provided, to assist each other as
needed?
Providing a “second set of eyes” on critical
steps
Helping during heavy lifting
Double-checking work
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Product Design
PHYSICAL: Consider safe use of the product,
including safe integration with related
systems?
PHYSICAL: Consider compliance with all
safety requirements for the product?
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Product Design
PHYSICAL: Consider safe handling by staff
during manufacturing, assembly, inspection,
maintenance or repair?
PHYSICAL: Consider simplification of design
aspects to make handling and use easier?
MENTAL: Consider simplification of design
documentation to ensure technician
comprehension at their level of training.
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Other General Considerations
Top management must ensure that work is
scheduled and conducted in a way that
minimizes:
Concurrent tasks
Don’t design rushing and anxiety into the
process
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Other General Considerations
Avoid Concurrent tasks
Consider that multitasking leads to less
efficiency for each individual task
Pause occasionally for review of work to date
Manage Deferred tasks (“I’ll do it later”)
Create “reminder” methods so that when a
task must be deferred, it is communicated and
staff are formally reminded.
Alarm, notes, signage, status logs
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Other General Considerations
Limit Interruptions
Provide environment that reduces opportunity
for interruption
Train management that their role does not
include right to interrupt work for non-essential
communication
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When a nonconformity (whether product or
process) is discovered, the root cause
analysis shall consider the human factors
that led to the problem.
Other General Considerations
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When determining a corrective or
preventive action response to an existing or
possible nonconformity, consideration of
human factors shall be given to ensure an
effective and comprehensive action plan.
Other General Considerations
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As part of Management Review, an
analysis of any incidents related to human
factors shall be reviewed.
Other General Considerations
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