As an Aircraft Mechanic, you know that some of the key factors that lead to success in the job are hard work, attention to detail, determination, and aptitude. While some of these can be talked about in relation to your work ethic, try to focus your answer on some key areas that are highlighted in Air New Zealand's mission and values. As you research Air New Zealand, you'll find that the organization has a customer first culture that values strength and determination. These are always key words that you can use when describing your own work ethic.