Part-66 Module 9 human factors essays: one under the UK CAA, none under EASA

It is the written part of the UK CAA’s Module 9A paper: one essay question, given 20 minutes of its own after the multiple choice questions. The essay stands apart from them, so a candidate who passes one part and fails the other retakes only the part they failed (Appendix II, point 1.9).

Under EASA there is nothing to write on Module 9, which is why Prep66 labels this essay the UK CAA paper and shows it to every reader as exactly that, so nobody revises for an essay their own paper does not set.

Any part of the UK Module 9A syllabus can carry the essay, because essays are set from the whole knowledge syllabus of the module: human performance and its limits, social psychology, the factors that affect performance, the physical environment, the tasks themselves, communication, human error and the hazards of the workplace. Human error and communication run through most of it, because the module is about how maintenance goes wrong and how it is kept from going wrong.

The shape to expect is a concept and what to do about it. A human factors question names something, such as error in inspection, fatigue on a night shift or a breakdown in communication, and asks what it is, what causes it and how it is prevented or caught; or it sets a scenario, such as a shift handover, and asks what you would do. None of Prep66’s human factors questions comes from a live paper: they are written from the Module 9 study book, to the UK syllabus.

A Module 9 sitting is one essay, as the UK CAA’s Module 9A paper is, with no paper to pick because only one authority sets it. You get a question you have never written, shown to you only when its 20-minute clock starts, and once you submit it is marked against its own sheet, with your own words quoted beside the key points they earned, the four presentation marks and the model answer after.

Module 9A is one of the UK CAA’s essay papers with no EASA counterpart, and Module 10 is the other, while Module 7 carries two essays under both authorities. All three sit on the same Essays board, each with its own clock and its own marking sheets.