CPL Human Performance

It tests whether you understand the pilot as a system component: how the body and senses behave in flight, how information is processed and misprocessed, and how error is prevented or contained through procedures, communication and crew coordination. Expect questions that ask for the most likely cause, the correct countermeasure or the safest operational response rather than bare definitions.

In almost all licensing systems it is a computer-based, multiple-choice examination with one correct answer per question and no negative marking, so answer every item. Some authorities include a small number of multi-correct or calculation-free diagram-interpretation items. The exact format, number of items and time allowed are published by your licensing authority, so check its current candidate guidance before you book.

Most candidates rate it mid-range: easier than principles of flight or navigation for those who dislike mathematics, but harder than expected because the physiology detail is precise and the CRM material demands judgement. The commonest cause of a near miss is not ignorance but shallow reading, particularly of vestibular illusions and hypoxia onset. Work through past-style questions until your reasoning, not your memory, is doing the work.

Allow enough time for two full passes: a slow first read of each syllabus topic with notes, then a question-driven revision phase of at least a few weeks. Candidates who already hold a licence usually need less. There is no officially prescribed study time, so plan backwards from your examination booking and protect regular short sessions over occasional long ones, which suit the memory content better.

These are set by the licensing authority that will issue your licence, not by any training provider or study site, and they are revised periodically. Your authority publishes current pass marks, examination durations, the number of attempts permitted and any cool-off period between attempts on its official website and in its examination guidance for candidates. Confirm them there before booking.

Start with basic physiology and health, then the nervous system, vision and hearing, because spatial disorientation and illusions build directly on the vestibular and visual material. Move to information processing and decision making, then human error and threat management, which give you the vocabulary for CRM and automation. Finish with stress, fatigue and sleep, which links back to almost everything else.

Misreading questions that ask for the least likely cause or the first action; confusing the semicircular canals with the otolith organs; muddling hypoxia symptoms with hyperventilation; and treating SHELL, TEM and CRM as interchangeable labels. Another frequent error is choosing a technically true answer that is not the best operational response. Read every stem twice and eliminate options before selecting.

You need functional anatomy, not medical anatomy: the parts of the eye involved in night vision and focal vision, the structure of the ear and Eustachian tube, and the mechanics of the semicircular canals and otolith organs. You should be able to explain what each does in flight and what happens when it misleads you, rather than label every anatomical structure.

Answer from the perspective of a disciplined crew member: manage the automation rather than surrender to it, maintain mode awareness, cross-check and call out deviations, and keep basic flying skills current. Options that describe passivity, silent acceptance of an unexpected mode change or unilateral action by one pilot are almost always wrong, however plausible they sound.

No. Use it to understand the exam's shape and to plan, then study from a current textbook that matches your authority's syllabus and from your training organisation's own materials. Syllabuses differ in emphasis between authorities, and a topic weighted heavily in one system may be a minor item in another. Always check the official syllabus document.