Question Sheet Flashcards
What is human factors
How people have an influence over procedures within aviation
What percentage of maintenance and inspection deficiencies contributed to aircraft accidents
12%
Human factor displins
Clinical psychology
Experimental psychology
Anthropometric
Computer science
Cognitive science
Safety engineering
Medical science
Organisation psychology
Educational psychology
Industrial psychology
What is the SHEL model
Software
Hardware
Environmental
Live ware
What is the error chain
A chain that can lead to a bigger problem
What is Murphy law
If something can go wrong sooner or later it will
How often should you have to do human factors training
Every 2 years
What is the function of the Cornea in the eye
The window of the eye which allows light in
What does the iris control
Controls the pupil and is coloured
What is the function of the pupil
Controls how much light enters the eye
What’s the name of the muscle that changes the shape of the lens
Ciliary muscles
What are the 2 types of light sensitive cells found in the retina
Cones and rods
What’s the function of the fovea
Makes the vision clearer
What is the function of the rods and cones
To direct the picture
What’s important about where the optic nerve joins the back of the eye
It’s a blind spot
What does 20/20 vision mean
Perfect vision
If the fovea is angled at 5 degrees how much does acuity drop by
50%
What ways can someone’s vision be effected
Drugs
Medication
Alcohol
Cigarettes
Amount of light
Clarity of air
What is the name given to longsitedness
Hypermetropia
What is the name given shortedness
Myopia
What is cataracts
Clouding of the lense
What are the problems with astigmatism
Causes objects to be irregularly shaped
What are the problems with glaucoma
The build up of fluid
What is presbyopia
When an older persons lens becomes less flexible
What is another term for colour blindness
Colour vision deficiency
What is the most common defect in the structure of the colour sensitive cones in the retina
Distinguish the difference between green and red
What are the 2 functions of the ear
To detect sound and help with balance
Which part of the ear directs sound
Auditory canal
What makes up the ossicles in the middle ear
Hammer, anvil and stirrup
How does the middle ear protect against sounds above 80dB
The tympani muscle tightens the eardrum and moves the stirrup back
How is the middle ear refreshed with air
Eustachian tube
What is the function of the cochlea
Seances the fluid in the ear
Where is the basilar membrane found
In the chochlea
What is noise induced hearing loss
Hearing loss from intermittent and sudden noises
What is noise dose
The amount of noise you hear
What is the term for hearing naturally deteriorating
Presbycusis
What are the 5 information sensory receptors
Taste
Touch
Hear
Smell
See
Describe the information processing model
You sence it, gets your attention, make a disistion, do it, remember it
What are the 4 types of attention
Selective, divided, focused, sub stained
What are the 3 processes memory depends on
Encoding, storage and retrieval
Describe the short term memory
Stores memory long enough for the task we are doing
(5-9 items for 10 - 20 seconds)
Describe long term memory
Stores all your memory for an unlimited amount of time.
(Things you have done in your life)
What is the diffusion of responsibility
When someone who needs to make a decision waits for someone else to act instead
What are the 3 phenomena associated with group or team working
Group polarisation
Social loafing
Intergroup
What is motivation
Reflects what a person can do and what a person will do
What is at the bottom of Mallow’s hierarchy
Physiological
What are the 4 elements to team working
Communication
Co operation
Co ordination
Mutual support
When carrying out exercise how do you ensure you are carrying it out sufficiently
Your pulse rate doubles
What are the 3 causes of stress
Phycological
Physical
Reactive
What are the 2 forms of stress
Acute and chronic
What are the 2 strategies that we come to once we become aware of stress
Defence and coping
What is arousal
The willingness to do work
What are the 2 types of fatigue
Psychological and subjective
What frequency’s are the ears sensitive to sound at
20-20
How is vibratory induced white finger syndrome caused
Vibrations from hand tools with the frequency from 50 - 100
What are the 2 engineer specialties and there licence types
Mechanics and avionics
B1 & B2
What are the 2 engineer specialty’s
Mechanical and avionics
B1 and B2
Questions an engineer should ask himself before doing a task
What is the task?
Do I have the skills/ knowledge for the task?
Are the resources available for the task?
What effect does age have in the musculoskeletal system
It stiffens up and muscles become weaker
What should you do to ward of the onset of fatigue
Take a break
What is the main danger with repetitive tasks
The engineer will become too practised and more likely to make a mistake
What steps can be taken to help with visual inspections
Know the area you need to inspect
Make sure you got enough light
Move eyes from side to side, up and down
What are the 5 elements of communication
Transmit, encode, decode, revive, feedback
What are the rules of thumb to minimise poor communication
Think about it before you say it
Speak/ write clearly
Listen/ read clearly
3 potential physical hazards in aircraft maintenance
Hazards fluids
Moving parts
Moving vehicles
What legislation governs health and safety in the UK
Health and safety at work act 1974
What is a slip
When an action is not carried out as intended or planned
What is a lapse
Mixed action or omission
E.g.
(Something distracting you)
What is a mistake
A faulty plan or intention
What is a violation
Deliberate illegal actions
E.g.
(Cutting corners on a job to get it done on time)
Describe the Swiss cheese model
The cheese are the defence measures and the holes in the cheese are the issues and when the issues (holes) all line up then you get an incident or accident
What is an error iceberg
On the part of the iceberg below the water you get incidents that haven’t been reported and operational incidents (where there’s no injuries or deaths) and above the water you get things that do get noticed by the outside World that have injuries and deaths e.g. ( a plane crash)
What is semantic memory
The storage of general info
E.g
Rules and your language
What is episodic memory
The memory of pacific events
E.g.
people, events and objects
