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100+ Free CAA NZ AME Human Factors Practice Questions

Pass your CAA NZ AME Licence Exam - Human Factors (Subject 21, New Zealand) exam on the first try — instant access, no signup required.

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Key Facts: CAA NZ AME Human Factors Exam

90 Mins

Total exam duration allowed for Aspeq CBT.

Aspeq NZ CAA AME Exam Schedule

70%

Minimum pass mark required by CAA NZ.

CAA NZ Advisory Circular AC66-2.21

$108 NZD

Exam fee per sitting via Aspeq.

Aspeq Schedule of Fees

Subject 21

Mandatory module for CAA NZ AME licence candidates.

CAA NZ AC66 Syllabus

CAA NZ AME Human Factors (Subject 21) is a 90-minute examination administered via Aspeq requiring a 70% pass mark for AME licensing in New Zealand.

Sample CAA NZ AME Human Factors Practice Questions

Try these sample questions to test your CAA NZ AME Human Factors exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In the PEAR human factors model used in aircraft maintenance, what does the letter 'P' represent?
A.People who perform the maintenance work, including their physical, physiological, and psychological characteristics
B.Procedures and documentation governing the aircraft maintenance tasks
C.Physical environment where the aircraft maintenance activity takes place
D.Performance metrics used to evaluate hangar productivity
Explanation: In the PEAR model (People, Environment, Actions, Resources), 'P' stands for People. It encompasses the human element in maintenance, including physical attributes, health, training, experience, stress, fatigue, and psychological factors.
2Within the PEAR model, which factors are categorized under the 'Environment' dimension?
A.Both the physical environment (lighting, noise, climate) and organizational environment (company culture, supervision, shift structures)
B.Exclusively ambient weather conditions outside the hangar facility
C.The aerodynamic and atmospheric operating environment of the aircraft during flight
D.Software environment including digital maintenance management systems
Explanation: The 'Environment' category in the PEAR model is divided into two parts: the physical environment (such as illumination, temperature, noise, and workspace clutter) and the organizational environment (such as safety culture, management pressure, staffing levels, and shift patterns).
3What aspect of aircraft maintenance does the 'Actions' component of the PEAR model specifically address?
A.The specific sequence of steps, physical maneuvers, information gathering, and decisions required to perform a task
B.Legal actions and regulatory enforcement proceedings taken by the CAA NZ against non-compliant engineers
C.Corrective actions taken after a major aircraft accident investigation
D.Action plans created by upper management to increase hangar revenue
Explanation: In the PEAR model, 'Actions' refers to what the engineer actually does: the specific operational sequence, physical actions, inspection steps, data processing, and decision-making needed to complete a maintenance task safely.
4Which of the following items is correctly classified as a 'Resource' under the PEAR model?
A.Calibrated tooling, technical manuals, adequate task time, and qualified personnel support
B.Ambient hangar lighting and soundproofing materials
C.An engineer's individual physical stamina and visual acuity
D.The physical sequence of dismantling a hydraulic actuator
Explanation: In PEAR, 'Resources' include all hardware, tools, test equipment, documentation (maintenance manuals, work cards), replacement parts, time allowance, and support staff required to accomplish the job safely.
5In Hawkins' SHELL model, an Aircraft Maintenance Engineer experiencing difficulty due to an ambiguous, poorly translated maintenance manual is encountering a breakdown in which interface?
A.Liveware - Software (L-S)
B.Liveware - Hardware (L-H)
C.Liveware - Environment (L-E)
D.Liveware - Liveware (L-L)
Explanation: The SHELL model places Liveware (the human) at the center. 'Software' refers to non-physical rules, manuals, work cards, procedures, symbology, and computer programs. Difficulty interpreting an ambiguous manual represents a Liveware-Software (L-S) interface issue.
6An engineer suffers severe hand strain due to an awkwardly designed torque wrench that requires excessive force in a restricted compartment. In the SHELL model, this is a failure of which interface?
A.Liveware - Hardware (L-H)
B.Liveware - Software (L-S)
C.Liveware - Environment (L-E)
D.Liveware - Liveware (L-L)
Explanation: The Liveware-Hardware (L-H) interface concerns the relationship between human physical/sensory characteristics and physical machines, equipment, controls, and tools. Poor tool ergonomics creating physical strain is a classic L-H breakdown.
7An AME working on an outdoor tarmac at night under freezing conditions with severe wind chill struggles to feel small fasteners. According to the SHELL model, which interface is primarily causing performance degradation?
A.Liveware - Environment (L-E)
B.Liveware - Hardware (L-H)
C.Liveware - Software (L-S)
D.Liveware - Liveware (L-L)
Explanation: The Liveware-Environment (L-E) interface covers how ambient physical factors (cold, wind, rain, lighting) and organizational surroundings affect human performance. Cold-induced numbness degrading tactile dexterity is an L-E problem.
8A breakdown in communication during a shift handover where an incoming AME misinterprets a verbal status report from an outgoing AME represents which SHELL model interface mismatch?
A.Liveware - Liveware (L-L)
B.Liveware - Software (L-S)
C.Liveware - Hardware (L-H)
D.Liveware - Environment (L-E)
Explanation: The Liveware-Liveware (L-L) interface represents relationships between people in the workplace (co-workers, supervisors, flight crew). Interpersonal communication failures during shift handovers directly fall under L-L.
9In the SHELL model conceptualized by Elwyn Edwards and modified by Frank Hawkins, what entity occupies the central hub of the diagram?
A.Liveware (the human element)
B.Software (the procedures and manuals)
C.Hardware (the aircraft and tooling)
D.Environment (the operating context)
Explanation: The SHELL model is centered around Liveware (the human maintenance technician or pilot). All other components (Software, Hardware, Environment, and other Liveware) must be matched to the capabilities and limitations of this central Liveware.
10In James Reason's Swiss Cheese Model of systemic accidents, how are 'active failures' defined?
A.Unsafe acts committed by direct front-line personnel (such as AMEs) that have an immediate adverse effect
B.Dormant defects in system design created years prior by upper management
C.Inadequate safety regulations issued by aviation authorities
D.Unforeseen meteorological hazards encountered during aircraft taxiing
Explanation: Active failures are unsafe acts (slips, lapses, mistakes, violations) committed by people at the human-system interface (e.g., maintenance technicians, pilots) that directly breach defenses and have an immediate impact.

About the CAA NZ AME Human Factors Exam

The CAA NZ AME Human Factors (Subject 21) examination tests maintenance engineering candidates on human performance limitations, error management, PEAR and SHELL models, Reason's Swiss Cheese model, active failures vs latent conditions, maintenance violations, fatigue, shift handovers, documentation clarity, assertiveness, and Just Culture safety systems.

Assessment

Multiple-choice exam delivered via Aspeq CBT in 90 minutes.

Time Limit

90 minutes

Passing Score

70%

Exam Fee

$108 NZD (Civil Aviation Authority of New Zealand (exams via Aspeq))

CAA NZ AME Human Factors Exam Content Outline

30%

Human Factors Models & Safety Management Systems

PEAR model (People, Environment, Actions, Resources), SHELL model, Reason's Swiss Cheese model, active failures vs latent conditions, and Safety Culture / Just Culture.

35%

Human Performance, Error & Violation Management

Slips, lapses, mistakes, routine vs situational violations, complacency, distraction, fatigue, sleep hygiene, circadian rhythms, and Dirty Dozen precursors.

20%

Communication, Teamwork & Maintenance Documentation

Shift handovers, verbal/written debriefings, documentation clarity, maintenance sign-offs, assertiveness, hierarchy, and team coordination.

15%

Work Environment, Ergonomics & Physical Factors

Physical ergonomics, lighting, noise, extreme temperatures, tool design, workspace access, and health hazards in aircraft maintenance.

How to Pass the CAA NZ AME Human Factors Exam

What You Need to Know

  • Passing score: 70%
  • Assessment: Multiple-choice exam delivered via Aspeq CBT in 90 minutes.
  • Time limit: 90 minutes
  • Exam fee: $108 NZD

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

CAA NZ AME Human Factors Study Tips from Top Performers

1Understand the four dimensions of the PEAR model: People (physical, psychological), Environment (physical, organizational), Actions (tasks, steps), and Resources (tools, manuals, staffing).
2Differentiate clearly between active failures (unsafe acts by front-line engineers directly causing an effect) and latent conditions (dormant systemic weaknesses created by management or organizational decisions).
3Distinguish between execution errors (slips), memory errors (lapses), knowledge/rule-based errors (mistakes), and intentional deviations (violations).
4Recognize the critical steps in shift handover: verbal briefing, written log check, walk-around inspection, and verification of incomplete work status.
5Understand the principles of Just Culture: non-punitive reporting for honest errors vs accountability for reckless behaviour or intentional violations.
6Identify the 12 human factor error precursors (the 'Dirty Dozen') including fatigue, complacency, distraction, lack of communication, and lack of resources.

Frequently Asked Questions

What is the CAA NZ AME Human Factors (Subject 21) exam?

It is a compulsory theoretical examination conducted by Aspeq for the Civil Aviation Authority of New Zealand (CAA NZ) required for Aircraft Maintenance Engineer (AME) licensing under AC66.

What is the passing score for CAA NZ AME Human Factors?

The minimum passing score is 70%.

How long is the exam and how many questions are there?

The exam duration is 90 minutes, delivered as a computer-based test (CBT) by Aspeq.

What is the exam fee for Subject 21?

The exam sitting fee is $108 NZD via Aspeq.

What key topics are covered in the Subject 21 syllabus?

The syllabus covers PEAR and SHELL human factors models, Reason's Swiss Cheese model, active failures vs latent conditions, error classifications (slips, lapses, mistakes), routine vs situational violations, fatigue, shift handovers, documentation integrity, assertiveness, and Just Culture.