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EASA PART 66 MODULE 14
CERTIFICATION SCRIPT 2026 QUESTIONS
WITH SOLUTIONS GRADED A+
◍ When inspecting an airframe structure for small cracks, to avoid a crack being missed you should· hold the vision stationary for several seconds on each area to allow the eye to focus correctly.· constantly move the eye across and around the area of interest to avoid the crack falling into the eye's natural blind spot.· not use a mirror as mirrors absorb and refract light and may obscure a crack. Answer: constantly move the eye across and around the area of interest to avoid the crack falling into the eye's natural blind spot
◍ Hazards found in the workplace are the result of unsafe· environmental conditions only· human conditions only· human and environmental conditions. Answer: human and environmental conditions
◍ Your doctor has prescribed you tranquillizers as you are suffering from depression. You should· not work at all when taking the tranquillizers· not tell your employer and carry on work as normal· tell your employer and carry on work as normal. Answer: not work at all when taking the tranquillizers
◍ A company's safety policy should be defined inthe Maintenance ScheduleCAP 716the Maintenance Organization Exposition. Answer: the Maintenance Organization Exposition
◍ Visual inspection by an 'experienced' maintenance engineer is· knowledge and rule base behaviour· skill and knowledge based behaviour· skill and rule based behaviour.
Answer: knowledge and rule base behaviour
◍ When evacuating casualties you would first move· fatalities· walking wounded· the most seriously wounded if incapacitated. Answer: walking wounded
◍ The three basic steps in dealing with an emergency are· summon assistance, assess and then make safe· make safe, summon assistance and then assess· assess, make safe and then summon assistance. Answer: assess, make safe and then summon assistance
◍ 'Confirmation bias' is· an inspection of work carried out by an independent inspector or supervisor· error in work carried out by a supervisor who has also inspected and signed for his own work· the subconscious attention to evidence which confirms an engineer's beliefs, and inattention to evidence which contradicts his beliefs. Answer: the subconscious attention to evidence which confirms an engineer's beliefs, and inattention to evidence which contradicts his beliefs
◍ The most effective form of communication is· verbal communication· written communication· implicit communication. Answer: verbal communication
◍ Little black books are· a good time saving device for an engineer· permissible as long as the information stored is from an approved source· not to be used as information stored may be out of date. Answer: not to be used as information stored may be out of date
◍ The Otoliths detect· both angular and linear acceleration· angular acceleration· linear acceleration. Answer: linear acceleration
◍ How long is the short term memory good for remembering 7 items?Up to 30 seconds30 to 60 secondsAbove 60 seconds. Answer: Up to 30 seconds
◍ In the 'slips, lapses and mistakes' definition of errors, forgetting to replace an
equally important to technicians, engineers, planners and managers· technicians and engineers· planners and managers. Answer: It is equally important to technicians, engineers, planners and managers
◍ Paradoxical sleep is also known as· Stage 3 sleep· Stage 4 sleep· REM sleep. Answer: REM sleep
◍ Working excessively long shifts during unsociable hours can lead to· increased ability to detect defects during aircraft maintenance· decreased ability to detect defects during aircraft maintenance· an increased immunity to stress. Answer: decreased ability to detect defects during aircraft maintenance
◍ How many stages of sleep are there?· 5· 3· 4. Answer: 5
◍ If, during a ground-run, the engine catches fire, and the technician carries out the fire drill, this is· knowledge based action· skill based action· rule based action. Answer: rule based action
◍ Diffusion of responsibility may occur· with certain people whether they are working in a team or alone· to an individual working as a member of a team· to an individual working alone. Answer: to an individual working as a member of a team
◍ The amount of light which is allowed to enter the eye can vary by a factor of· 5:1· 500:1· 50:1. Answer: · 5:
◍ An engineer who has developed his own way of performing a task· is in regular violation· should be commended for his resourcefulnessis improving maintenance efficiency. Answer: is in regular violation
◍ What part of the SHEL model would the writing and interpretation of maintenance manuals fit into?· Software· Environment· Hardware. Answer: Software
◍ Myopia is _______ and a ______ lens is needed to correct it· short sightedness and convex· long sightedness and concave· short sightedness and concave. Answer: short sightedness and concave
◍ 'Asynchronous' communication includes· immediate voice communication by radio link· technical manuals, memos, Advisory Circulars and Airworthiness Directivesface-to-face communications. Answer: technical manuals, memos, Advisory Circulars and Airworthiness Directives
◍ You are taking prescribed drugs.· Do not carry out aircraft maintenance· Carry on working, as long as you know the primary and secondary side effectsCarry on as normal. Answer: Carry on working, as long as you know the primary and secondary side effects
◍ In theory, human error is most likely to occur· when the body temperature is at its lowest· when the body temperature is stable· during very hot weather. Answer: when the body temperature is at its lowest
◍ An aircraft engineer who has 'responsibility'· are liable to be called to account as being in charge or control of, or answerable for something· must be licensed on the particular type of aircraft· is in a management position within their company hierarchy. Answer: are liable to be called to account as being in charge or control of, or answerable for something
◍ Human error can be caused by· normal body temperature· low body temperaturehigh body temperature. Answer: low body temperature
◍ One unit of alcohol is equivalent to· two pints of beer· one pint of beer· half
Concave. Answer: Convex
◍ For a person with normal Circadian rhythms, the body temperature will be lowest· at midday· upon waking· between 4 and 6 o'clock in the morning. Answer: between 4 and 6 o'clock in the morning
◍ Information in the short term memory not rehearsed will be lost in· 2 - 3 weeks· 1 - 3 months· 10 - 20 seconds. Answer: 10 - 20 seconds
◍ If an image formed on the retina of the eye is inverted relative to the viewers normal perception of the image, the viewer will· consciously mentally revert the image so as to make sense of his/her surroundings· become disoriented and dizzybehave and feel normal. Answer: behave and feel normal
◍ Circadian Rhythms have a cycle of· 24 Hours· 23 Hours25 Hours. Answer: 25 Hours
◍ What is a latent failure?Receiving bad instruction from a manager who is out of touch with maintenanceA failure which could not have been predictedA mistake that has already been made, but has not yet caused an accident. Answer: A mistake that has already been made, but has not yet caused an accident
◍ To perform a visual inspection efficiently, what is the best condition set?· Temperature, light and accessibility· Torch, mirror and steps· Temperature, light and quality equipment. Answer: Temperature, light and accessibility
◍ If a written handover is complicated, but an overstressed engineer makes an extra effort to complete it without compliance with Rules and Regulations of the maintenance organization. This is· a Maintenance Organization Rule· motivationinitiative. Answer: motivation
◍ What is meant by a 'mind set'?You have preconceived ideas about somethingYou are unsure of a situationYou are unwilling to change your mind about something. Answer: You are unwilling to change your mind about something
◍ If a 737 had both engines serviced and lost oil from both engines in flight. Thiswould be a direct result of human errorcan be considered an acceptable probabilitycan be expected to happen statistically due to the number of aircraft in service. Answer: would be a direct result of human error
◍ A regular behavior of an individual is known as· habit· the normculture. Answer: habit
◍ Group polarisation can result in· a group making a better decision than the individual· members of the group not talking to one another· a group making a more cautious or extreme decision. Answer: a group making a more cautious or extreme decision
◍ The type of memory which is most easily influenced by a person's expectations of what should have happened is the• long term memory• episodic memory• semantic memory. Answer: episodic memory
◍ Sleeping tablets can· slow reaction and dull the senses· increase alertness after waking the following morning· help REM sleep and realign circadian rhythms. Answer: slow reaction and dull the senses
◍ In the 'slips, lapses and mistakes' definition of errors, a mistake would typically occur at the· execution stage· storage (memory) stage· planning stage. Answer: planning stage
◍ Stressors in the environment of noise and heat will cause· a total loss of attention· no loss of attention· a loss of attention and a distraction.
◍ Due to our circadian rhythms, maintenance errors are more likely to occur when the body temperature· reaches its lowest point· is mid-way between its highest and lowest point· reaches its highest point. Answer: reaches its lowest point
◍ Consumption of 3 - 4 units of alcohol before sleep can· increase REM sleep· decrease the quality of sleep· lower the body temperature. Answer: decrease the quality of sleep
◍ Ultra short term memory has a duration of about· 2 seconds· 10 to 20 seconds· 80 - 100 milliseconds. Answer: · 2 seconds
◍ What is the main effect of having hypertension?· Migraine· Angina· Stroke. Answer: Stroke
◍ A type 1 visual inspection error occurs whena faulty item is misseda duplicate inspection is not carried outa good item is incorrectly identified as faulty. Answer: a good item is incorrectly identified as faulty
◍ What constitutes a good work handover?· A written documentation of the work done· A written and verbal account of the work doneA verbal account of the work done. Answer: A written and verbal account of the work done
◍ Iconic memory· stores visual information and lasts up to 2 seconds· stores visual information and lasts up to 1/2 second· stores sounds and lasts up to 2 seconds. Answer: · stores visual information and lasts up to 1/2 second
◍ What part of the eye controls the amount of light that is allowed to enter the eye?• The pupil• The cornea• The iris. Answer: The iris
◍ The desire of an individual to 'conform' to a group by allowing one's opinions, attitudes and actions to be affected by prevailing conditions is
known as· esteem needs· culture issues· peer pressure. Answer: peer pressure
◍ The biggest risk of error associated with using checklists is that· they can invoke automatic responses· they can be misread· the user may be distracted. Answer: they can invoke automatic responses
◍ Engineers often work on raised platforms, ladders etc. What dangers can this contribute to?· Staging may be made of wood· Two workers may be carrying out maintenance on the same liftLadder may slip and worker falls. Answer: Ladder may slip and worker falls
◍ Which of the following environments is best suited to aircraft maintenance?· Working outside, at night, in the rain· Working outside, in the direct midday sun· Working inside in a well lit, comfortable hangar. Answer: Working inside in a well lit, comfortable hangar
◍ Extreme discomfort experienced by a maintenance engineer due to working in a confined space is known as• claustrophobia• agoraphobia• acrophobia. Answer: claustrophobia
◍ The alerting system for an important system failure should be· a dolls-eye indicator· a flashing visual signal, preferably red· an aural warning. Answer: an aural warning
◍ A person with low self-esteem is· Conformity to peer pressure is not affected by level of self-esteem· more likely to conform to peer pressureless likely to conform to peer pressure. Answer: more likely to conform to peer pressure
◍ Phase 3/4 sleep· occurs only once per sleep cycle· is most beneficial for the body's restorationcan be induced by alcohol. Answer: is most beneficial for the body's restoration
◍ Ultra short term memory has a duration of about• 80 - 100 milliseconds• 10 to 20 seconds• 2 seconds.
levels of arousalhigh levels of arousal. Answer: high levels of arousal
◍ A violation in an aircraft maintenance procedure· is usually carried out with the best intentions from a genuine desire to 'get the job done'· is always considered an act of vandalism or sabotageis always carried out to satisfy some personal need, often unrelated to the actual task. Answer: is usually carried out with the best intentions from a genuine desire to 'get the job done'
◍ When someone is working in an enclosed space (such a fuel tank), another person should be outside the space in constant communication toprovide instructions to the tradesmanfor safety reasonsensure compliance with the maintenance manual. Answer: for safety reasons
◍ To establish a reliable means of communication between teams· detailed verbal communication is the most effective method· change-over logs and verbal communication are essential· a detailed written handover is the most effective method. Answer: change-over logs and verbal communication are essential
◍ Large amounts of caffeine can· reduce anxiety and stress· improve alertness and increase awareness· cause anxiety, headaches and stress. Answer: cause anxiety, headaches and stress
◍ Which part of the SHEL model is most difficult to protect from errors by 'designing out' or to 'work around'?· Liveware· EnvironmentSoftware. Answer: Liveware
◍ Whose responsibility is it that an engineer remains current on new technology and procedures?· The organization's· The engineer's· The CAA's. Answer: The engineer's
◍ The symptoms of de-motivation are very similar to the symptoms of· mental illness· stress· tiredness.
Answer: stress
◍ Up to what proximity to an aircraft with engines running is the use of ear protection recommended for maintenance personnel?· 200 - 300 metres· 2 - 3 metres· 20 - 30 metres. Answer: 200 - 300 metres
◍ The SHEL model of human factors takes into account· Software, hardware, efficiency and liveware· Software, hardware, environment and liveware· Software, hardware, environment and location. Answer: Software, hardware, environment and liveware
◍ Narrowing of attention occurs in states of· high arousal· optimum arousallow arousal. Answer: high arousal
◍ REM sleep can also be referred to as· paranormal sleep· paradoxical sleepslow wave sleep. Answer: paradoxical sleep
◍ What is the CAA standard for vision?· Acceptable uncorrected vision· 18/ vision· Acceptable corrected vision. Answer: · Acceptable corrected vision
◍ A person suffering from presbyopia would normally· have defective colour vision and not be allowed to carry out maintenance work on cable looms· wear spectacles when reading or carrying out close detail workbe short sighted and need to wear spectacles to see objects more than 30 cm away. Answer: wear spectacles when reading or carrying out close detail work
◍ The presence of something damaging to ones health would be an example of a· psychological stressor· reactive stressorphysical stressor. Answer: physical stressor
◍ How many things can be stored in the short term memory?· 0 - 5· No limit· 9 - 15. Answer: 9 - 15
change. This is· skill based· knowledge based· rule based. Answer: rule based
◍ Successful working teams have the following attributes:-· All the team members work in isolation and therefore provide highly individual solutions to the same problems· All the members participate in team activities and discussions· Members participate in team activities but retain their own individual requirements. Answer: Members participate in team activities but retain their own individual requirements
◍ Which of the following is true?· Noise affects the standard of work proportionately with the level of the noise· Noise does affect the standard of work with certain people· Noise does not affect a person's standard of work. Answer: Noise does affect the standard of work with certain people
◍ Memory which can be influenced by a persons expectations of what should have happened is· semantic· episodic· echoic. Answer: episodic
◍ On a task that is complex, an engineer uses his own procedures due to pressure. This is legally termed· violation· modification· initiative. Answer: violation
◍ The difference between what a person 'can' do and what he 'will' do is largely determined by his· motivation· education and training· physical and mental health. Answer: motivation
◍ Intense or loud noise· may lead to fatigue· will have no physiological effects· increases stimulation. Answer: may lead to fatigue
◍ The only permitted stimulant is· caffeine· amphetamine· bromine. Answer: caffeine
◍ A good scan is best achieved by· a steady sweep of the eyes· frequent and
small eye movement· quartering the area. Answer: frequent and small eye movement
◍ AWN 47 states that the engineer· is responsible for the work he has signed for· does not report for work if unfitis responsible for health and safety. Answer: does not report for work if unfit
◍ What is peer group pressure?· Our behaviour influenced by our friends and colleagues.· The influence an individual has over a group of people· The influence the House of Lords have over the House of Commons. Answer: Our behavior influenced by our friends and colleagues.
◍ Which of the following statements best defines peer pressure?· Your girlfriend wants to go to a dance, but you have to do overtime· Your manager is telling you to hurry up and get a job finished· Your colleagues are telling you to hurry up as when you finish your job, you can all go home. Answer: Your colleagues are telling you to hurry up as when you finish your job, you can all go home
◍ In AWN 47 what is the recommended hearing test?· The ability to hear an average conversation voice at a distance of 6 feet· The ability to hear an average conversation voice at a distance of 10 feet· The ability to hear a certain noise at 8 feet. Answer: The ability to hear an average conversation voice at a distance of 6 feet
◍ You are taking SUDAFED to relieve nasal congestion. You should· avoid making engineering decisions or performing licensed duties· stay away from work until you no longer require the SUDAFEDcontinue to take them at work because SUDAFED has no side effects. Answer: avoid making engineering decisions or performing licensed duties
◍ Circadian Rhythms control· body temperature· sleeping patterns· urine output. Answer: body temperature
◍ When evacuating casualties you would first move· fatalities· walking
Answer: ability of a system to remain functional after a maintenance error
◍ Performance is· directly proportional to the individuals state of arousal· inversely proportional to the individuals state of arousal· greatest only at one optimum level of arousal but diminishes as arousal decreases or increases. Answer: greatest only at one optimum level of arousal but diminishes as arousal decreases or increases
◍ An engineer is performing a task in less than ideal conditions in order to meet an operational deadline iscommitting a situational violationcommitted a routine errormaking a rule based slip. Answer: committing a situational violation
◍ The 'cocktail party effect' is descriptive of· focused attention· divided attention· selective attention. Answer: · selective attention
◍ Smoking cannabis· subtly impairs performance for up to 24 hours· has only a short term affect upon performance· has a noticeable affect on a persons behaviour and performance for up to 24 hours. Answer: subtly impairs performance for up to 24 hours
◍ Murphy's law is perpetuated mainly bypoor aircraft designviolationscomplacency. Answer: complacency
◍ An individual suffering from stress when confrontedwith a task within his capability is likely to think the task is· someone else's responsibility· not demanding enough· too demanding. Answer: someone else's responsibility
◍ When working on aircraft, the consumption of alcohol· you cannot work on aircraft even 8 hours after consuming large quantities of alcohol· is permissible providing the drink driving limit is not exceeded· a certain amount is permissible. Answer: you cannot work on aircraft even 8 hours after consuming large quantities of alcohol
◍ When going from day shift to night shift, efficiency· stays the same· will drop off in the first four weeks· will drop off after the first four weeks. Answer: will drop off in the first four weeks
◍ If you have been prescribed new medicine by your doctor you should· give the new medication a 24 hour trial· take 3 days off work to try out the new medication· continue with your normal shift pattern. Answer: give the new medication a 24 hour trial
◍ The effect on an engineer of environmental noise is· it decreases concentration and quality of work· it has no affect on concentration of quality of work· it improves concentration and quality of work. Answer: it decreases concentration and quality of work
◍ Studies have shown that working outside in a temperature of 55°F will have what effect on hand dexterity?· Around 50% reduction· Very slight reduction· None. Answer: Around 50% reduction
◍ A mistake is· a deliberate departure from the rules· an intentional act of sabotage· an unintentional error. Answer: an unintentional error
◍ The incident where a 737 lost oil from both engines is a direct result of:poor designhuman errorengine vibration. Answer: human error
◍ What is the most common cause of long or short sightedness?· Stiffening of the lens with age· Stiffening of the cornea with age· Shape of the eye ball. Answer: Shape of the eye ball
◍ The three basic steps in dealing with an emergency are· summon assistance, assess and then make safe· make safe, summon assistance and then assess· assess, make safe and then summon assistance. Answer: assess, make safe and then summon assistance
◍ 70 - 80% of the total focusing ability of the eye iscarried out by
