The presentation of mental illness at work has different implications and consequences depending on the specific nature of the job, work context, regulatory framework and risks for the employee, organisation and society. Naturally there are certain occupational groups where human factors and/or mental illness could impair safety and mental acuity, and with potentially devastating consequences. For pilots, the medical criteria for crew licensing are stipulated by regulatory aviation authorities worldwide, and these include specific mental illness exclusions. The challenge of assessment for...