Which of the following is NOT an impact of environmental conditions?

Crew experience is not an impact of environmental conditions because it refers to the knowledge, skills, and competencies that personnel gain over time through training and operational experiences. Unlike factors such as noise, vibration, and altitude, which are physical environmental conditions that can affect the performance and well-being of crew members, crew experience is a personal attribute that can influence how individuals respond to those environmental factors.

Environmental conditions are external to the individual and can lead to various physiological and psychological effects, which can in turn affect performance. For instance, noise can create distractions and increase stress, vibration can lead to discomfort and fatigue, and altitude can impair physical capabilities due to reduced oxygen levels. In contrast, crew experience shapes how individuals interpret and manage these environmental influences, but does not fall under external environmental impacts itself.